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Electrical Circuit Protection & Load Centers
Electrical Circuit Protection & Load Centers - Telemecanique Sensors
An electrical service panel, also referred to as a load center, circuit breaker box, or panelboard, is an essential part of a home's electrical system. Its role is to accept power from the utility company and then distribute it to the different electrical circuits in the house.
Subcategories (16)
Motor Starters
Electrical Load Centers
Motor Soft Starters
Earth-Leakage Circuit Breakers (ELCB)
Manual Motor Protectors
Electronic Circuit Breakers (ECBs)
Circuit Protection Accessories
Thermal Overload Relays
Solid State Relays (SSR)
Supplementary Protectors
Line Filters & Conditioners
Fuses & Fuse Holders
Disconnect Switches
Contactors
Molded Case Circuit Breakers (MCCB)
Miniature Circuit Breakers (MCBs)
Found 129 products
Square D by Schneider Electric QOXD332 is a Miniature Circuit Breaker (MCB) designed for branch circuit protection. It features a plug-in mounting mode and a plug-in connection type, facilitating easy installation. This MCB is rated for a current of 32A and can operate at a rated voltage of 240V to 415V AC. It is a 3 Pole circuit breaker, suitable for three-phase applications, with a short circuit breaking rating of 3kA at 415Vac. The QOXD332 utilizes press plate terminals for secure wire connection.
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Square D by Schneider Electric QYU220SWN is a Miniature Circuit Breaker (MCB) designed for unit mount installation. It functions as a switch-neutral unit-mount supplementary protector with a rated current of 20A and a rated voltage of 277V AC. This MCB accommodates a cross-section of 14-2AWG for one aluminum or copper cable and features 2 poles. It has a short circuit breaking rating of 5kA at 277Vac and is equipped with lug type terminals for secure connections.
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Square D by Schneider Electric QOUQ260 is a miniature circuit breaker (MCB) designed for unit mount installation. It features a rated current of 60A and accommodates slotted box lugs connections on both the load and line sides. This MCB is compatible with a cross-section of 14-2AWG (1 cable Al/Cu) and is equipped with 2 poles. It has a short circuit breaking rating of 10kA at 240Vac and 5kA at 48Vdc. The rated voltage for AC operation is 120V and 240V, while for DC operation, it is rated at 48Vdc. The terminals are of the box lugs type.
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Square D by Schneider Electric QOXD232 is a Miniature Circuit Breaker (MCB) designed for branch circuit protection. It features a plug-in mounting mode and a plug-in connection type, facilitating easy installation. This MCB is rated for a current of 32A and can operate at a rated voltage of 240V to 415V AC. It is a 2-pole circuit breaker with a short circuit breaking rating of 3kA at 415Vac. The QOXD232 utilizes press plate terminals for secure wire connection.
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Square D by Schneider Electric HGF36150U31XAAUOYH1 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT HGF sub-range. It features a factory-installed 24Vdc undervoltage (U/V) trip release coil and a factory-installed 1A/1B (1NO+1NC) auxiliary switch with wire harness. Designed for PowerPact H-Frame 150 Micrologic 3.2 (LI), it is a 3-pole (3P) device rated for 150A and capable of handling 600Vac/500Vdc with a busbar rating of 18kA at 80% rated capacity. The connection is facilitated by a terminal nut kit for fixed busbar connections on both line and load sides. It offers long-time (L) and instantaneous (I) protection functions, with a rated insulation voltage (Ui) of 750V, and operating voltages of 600Vac, 600Y/347Vac, and 500Vdc. The unit is designed for individual mounting on a plate, with dimensions of 163mm in height, 104mm in width, and 86mm in depth, and it has an IP40 degree of protection. The operating mode is manual toggle, with protection settings adjustable for overload (0.3...1 x In, 50A...150A) and short-circuit (1.5...15 x In, 225A...2250A). The control voltage for the undervoltage trip coil allows circuit breaker opening when the supply voltage drops to 35%-70% of its rated control voltage, and closing is permitted when it reaches 85% of the rated control voltage. The rated operating voltage (Ue) is 690V, with a rated impulse voltage (Uimp) of 8kV. The trip current rating is 150 AT, with a frame current rating of 150 AF, and short circuit breaking ratings as specified under UL489 standards. The trip unit type is an electronic Micrologic Standard 3.2 (LI) with no display, categorized under utilisation category A.
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Square D by Schneider Electric VW3A8306RC is a mounting accessory designed for use as a Modbus line terminator with an RJ45 connection type.
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Square D by Schneider Electric QOXD132 is a Miniature Circuit Breaker (MCB) designed for branch circuit protection. It features a plug-in mounting mode for easy installation. This MCB has a rated current of 32A and can operate at rated voltages of 240V or 415V AC. It is a single-pole circuit breaker with a short circuit breaking rating of 3kA at 415Vac. The QOXD132 is equipped with press plate terminals for secure wire connections.
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Square D by Schneider Electric QOU360 is a unit-mount Miniature Circuit Breaker (MCB) designed for securing electrical circuits. It features a 3-pole configuration and is capable of handling a rated current of 60A. This MCB is equipped with slotted box lugs connections for both load and line sides, facilitating straightforward installation. It is compatible with cables ranging from 14-2AWG (1 cable Al/Cu), ensuring versatility in connection options. The QOU360 operates effectively at a rated voltage of 120V to 240V AC and 48V DC, with a short circuit breaking rating of 10kA at 240Vac and 5kA at 48Vdc. Its terminals are designed as box lugs, optimizing the connection integrity.
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Square D by Schneider Electric QOU325VH5283 is a unit-mount Miniature Circuit Breaker (MCB) designed for a rated current of 25A. It features slotted ring tongue connections on both the line and load sides, accommodating a cross-section of 14-2AWG for 1 cable Al/Cu. This 3-pole MCB is rated for voltages of 120V and 240V AC, with a short circuit breaking rating of 22kA at 240Vac and 5kA at 48Vdc. The terminals are of the ring tongue type, ensuring secure and reliable connections.
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Square D by Schneider Electric HDF36150U33X is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT HDF sub-range, featuring a PowerPact H-Frame 150 Micrologic 3.2S (LSI) design. It is a 3-pole (3P) device with a rated current of 150A and offers a connection via a terminal nut kit for fixed busbar connections on both line and load sides. This MCCB provides long-time protection (L), short-time protection with fixed time delay (S), and instantaneous protection (I), with adjustable settings for each protection function. It has a rated insulation voltage (Ui) of 750 V, a rated voltage (AC) of 600Vac/600Y/347Vac, and a rated voltage (DC) of 250Vdc. The device is designed for individual unit mount on plate, with a net height of 163 mm, a net width of 104 mm, and a net depth of 86 mm. It features a degree of protection of IP40 and operates via a toggle (manual). The MCCB has a rated operating voltage (Ue) of 690 V, a rated impulse voltage (Uimp) of 8 kV, and a trip current rating of 150 AT. Its frame current rating is 150 AF, and it has a short circuit breaking rating of 25kA at 240Vac, 18kA at 480Vac/480Y/277Vac, 14kA at 600Vac/600Y/347Vac, and 20kA at 250Vdc, all according to UL489 standards. The trip unit type is an electronic Micrologic Standard 3.2S (LSI) with no display, and it falls under utilisation category A.
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| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
QOXD332 Square D by Schneider Electric QOXD332 is a Miniature Circuit Breaker (MCB) designed for branch circuit protection. It features a plug-in mounting mode and a plug-in connection type, facilitating easy installation. This MCB is rated for a current of 32A and can operate at a rated voltage of 240V to 415V AC. It is a 3 Pole circuit breaker, suitable for three-phase applications, with a short circuit breaking rating of 3kA at 415Vac. The QOXD332 utilizes press plate terminals for secure wire connection. | Telemecanique Sensors | $248.00 | Quick Quote | ||
QYU220SWN Square D by Schneider Electric QYU220SWN is a Miniature Circuit Breaker (MCB) designed for unit mount installation. It functions as a switch-neutral unit-mount supplementary protector with a rated current of 20A and a rated voltage of 277V AC. This MCB accommodates a cross-section of 14-2AWG for one aluminum or copper cable and features 2 poles. It has a short circuit breaking rating of 5kA at 277Vac and is equipped with lug type terminals for secure connections. | Telemecanique Sensors | $201.00 | Quick Quote | ||
QOUQ260 Square D by Schneider Electric QOUQ260 is a miniature circuit breaker (MCB) designed for unit mount installation. It features a rated current of 60A and accommodates slotted box lugs connections on both the load and line sides. This MCB is compatible with a cross-section of 14-2AWG (1 cable Al/Cu) and is equipped with 2 poles. It has a short circuit breaking rating of 10kA at 240Vac and 5kA at 48Vdc. The rated voltage for AC operation is 120V and 240V, while for DC operation, it is rated at 48Vdc. The terminals are of the box lugs type. | Telemecanique Sensors | $105.00 | Quick Quote | ||
QOXD232 Square D by Schneider Electric QOXD232 is a Miniature Circuit Breaker (MCB) designed for branch circuit protection. It features a plug-in mounting mode and a plug-in connection type, facilitating easy installation. This MCB is rated for a current of 32A and can operate at a rated voltage of 240V to 415V AC. It is a 2-pole circuit breaker with a short circuit breaking rating of 3kA at 415Vac. The QOXD232 utilizes press plate terminals for secure wire connection. | Telemecanique Sensors | $70.00 | Quick Quote | ||
HGF36150U31XAAUOYH1 Square D by Schneider Electric HGF36150U31XAAUOYH1 is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT HGF sub-range. It features a factory-installed 24Vdc undervoltage (U/V) trip release coil and a factory-installed 1A/1B (1NO+1NC) auxiliary switch with wire harness. Designed for PowerPact H-Frame 150 Micrologic 3.2 (LI), it is a 3-pole (3P) device rated for 150A and capable of handling 600Vac/500Vdc with a busbar rating of 18kA at 80% rated capacity. The connection is facilitated by a terminal nut kit for fixed busbar connections on both line and load sides. It offers long-time (L) and instantaneous (I) protection functions, with a rated insulation voltage (Ui) of 750V, and operating voltages of 600Vac, 600Y/347Vac, and 500Vdc. The unit is designed for individual mounting on a plate, with dimensions of 163mm in height, 104mm in width, and 86mm in depth, and it has an IP40 degree of protection. The operating mode is manual toggle, with protection settings adjustable for overload (0.3...1 x In, 50A...150A) and short-circuit (1.5...15 x In, 225A...2250A). The control voltage for the undervoltage trip coil allows circuit breaker opening when the supply voltage drops to 35%-70% of its rated control voltage, and closing is permitted when it reaches 85% of the rated control voltage. The rated operating voltage (Ue) is 690V, with a rated impulse voltage (Uimp) of 8kV. The trip current rating is 150 AT, with a frame current rating of 150 AF, and short circuit breaking ratings as specified under UL489 standards. The trip unit type is an electronic Micrologic Standard 3.2 (LI) with no display, categorized under utilisation category A. | Telemecanique Sensors | $1,105.97 | Quick Quote | ||
VW3A8306RC Square D by Schneider Electric VW3A8306RC is a mounting accessory designed for use as a Modbus line terminator with an RJ45 connection type. | Telemecanique Sensors | $9.02 | Quick Quote | ||
QOXD132 Square D by Schneider Electric QOXD132 is a Miniature Circuit Breaker (MCB) designed for branch circuit protection. It features a plug-in mounting mode for easy installation. This MCB has a rated current of 32A and can operate at rated voltages of 240V or 415V AC. It is a single-pole circuit breaker with a short circuit breaking rating of 3kA at 415Vac. The QOXD132 is equipped with press plate terminals for secure wire connections. | Telemecanique Sensors | $30.60 | Quick Quote | ||
QOU360 Square D by Schneider Electric QOU360 is a unit-mount Miniature Circuit Breaker (MCB) designed for securing electrical circuits. It features a 3-pole configuration and is capable of handling a rated current of 60A. This MCB is equipped with slotted box lugs connections for both load and line sides, facilitating straightforward installation. It is compatible with cables ranging from 14-2AWG (1 cable Al/Cu), ensuring versatility in connection options. The QOU360 operates effectively at a rated voltage of 120V to 240V AC and 48V DC, with a short circuit breaking rating of 10kA at 240Vac and 5kA at 48Vdc. Its terminals are designed as box lugs, optimizing the connection integrity. | Telemecanique Sensors | $307.80 | Quick Quote | ||
QOU325VH5283 Square D by Schneider Electric QOU325VH5283 is a unit-mount Miniature Circuit Breaker (MCB) designed for a rated current of 25A. It features slotted ring tongue connections on both the line and load sides, accommodating a cross-section of 14-2AWG for 1 cable Al/Cu. This 3-pole MCB is rated for voltages of 120V and 240V AC, with a short circuit breaking rating of 22kA at 240Vac and 5kA at 48Vdc. The terminals are of the ring tongue type, ensuring secure and reliable connections. | Telemecanique Sensors | $507.00 | Quick Quote | ||
HDF36150U33X Square D by Schneider Electric HDF36150U33X is a Moulded Case Circuit Breaker (MCCB) within the PowerPacT HDF sub-range, featuring a PowerPact H-Frame 150 Micrologic 3.2S (LSI) design. It is a 3-pole (3P) device with a rated current of 150A and offers a connection via a terminal nut kit for fixed busbar connections on both line and load sides. This MCCB provides long-time protection (L), short-time protection with fixed time delay (S), and instantaneous protection (I), with adjustable settings for each protection function. It has a rated insulation voltage (Ui) of 750 V, a rated voltage (AC) of 600Vac/600Y/347Vac, and a rated voltage (DC) of 250Vdc. The device is designed for individual unit mount on plate, with a net height of 163 mm, a net width of 104 mm, and a net depth of 86 mm. It features a degree of protection of IP40 and operates via a toggle (manual). The MCCB has a rated operating voltage (Ue) of 690 V, a rated impulse voltage (Uimp) of 8 kV, and a trip current rating of 150 AT. Its frame current rating is 150 AF, and it has a short circuit breaking rating of 25kA at 240Vac, 18kA at 480Vac/480Y/277Vac, 14kA at 600Vac/600Y/347Vac, and 20kA at 250Vdc, all according to UL489 standards. The trip unit type is an electronic Micrologic Standard 3.2S (LSI) with no display, and it falls under utilisation category A. | Telemecanique Sensors | $712.50 | Quick Quote | ||
Electrical Circuit Protection & Load Centers
General Guide & Overview
A load center, also known as an electrical service panel, circuit breaker box, or panelboard, is a crucial component of a home's electrical system. It functions to receive incoming power from the utility company and distribute it to the various electrical circuits throughout the house. There are two main types of load centers: main breaker load centers and main lug load centers. Main breaker load centers have a built-in main breaker that provides overcurrent protection for all the downstream circuits. On the other hand, main lug load centers have a single lug and do not have a main breaker. They are often used as subpanels to add additional circuits to an existing electrical system. Load centers are essential for ensuring the safety and efficiency of the electrical distribution in a home.
Understanding Load Centers and Panelboards
Load centers and panelboards, which are essentially the same thing, serve as the central distribution centers for electrical power in a residential setting. They house circuit breakers that safeguard individual electrical circuits throughout the home. The load center receives power from either the utility company or another load center and then efficiently distributes it to the various branch circuits.
Each circuit within the load center is safeguarded by a circuit breaker, designed to trip and cut off the power in case of an overload or short circuit. This vital feature ensures the protection and safety of the electrical circuits.
Load centers are available in various sizes and configurations to cater to the specific requirements of a home's electrical system. This versatility allows them to effectively accommodate diverse electrical power distribution needs.
Main Breaker Load Centers vs. Main Lug Load Centers
When it comes to the primary load centers in a home's electrical system, two options stand out: main breaker load centers and main lug load centers. Understanding the differences between these two components is crucial for designing an efficient and reliable electrical system.
Main breaker load centers are the centerpiece of the electrical system. They are installed at the service entrance point, directly receiving power from the utility company. The main breaker built into these load centers provides overcurrent protection for all the downstream circuits, ensuring the safety and integrity of the electrical distribution.
On the other hand, main lug load centers, also known as subpanels, are typically installed downstream from the main breaker load center. They serve as additional distribution points for adding circuits to the electrical system. Unlike main breaker load centers, main lug load centers do not have a built-in main breaker. Instead, they rely on the main breaker in the main load center for overcurrent protection.
One of the advantages of using main lug load centers is the ability to create independent electrical zones. This is particularly useful when building accessory dwelling units or needing to expand the number of circuits in a home. By installing a main lug load center as a subpanel, you can isolate and control specific areas of your electrical system.
Whether you opt for a main breaker load center or a main lug load center, both options play an essential role in the distribution and protection of electrical power throughout your home. The choice depends on the specific needs of your electrical system and the desired level of control and flexibility you require.
Load centers are vital for ensuring the safety, efficiency, and proper distribution of electrical power in a home's electrical system. Acting as the central hub, load centers distribute electrical power to various circuits throughout the house while providing essential circuit protection. Whether it is a main breaker load center or a main lug load center, these components accurately distribute and protect electrical power from potential overloads or short circuits.
Choosing the appropriate load center for your electrical system is essential in maintaining a safe and efficient electrical setup. It is crucial to consider factors such as the size and configuration of the load center to ensure it meets the specific needs of your home. Following proper installation and maintenance procedures is also critical for the longevity and reliability of the electrical system.
By utilizing the right load center and implementing proper circuit protection measures, you can guarantee the safety and efficiency of your home's power system. Electrical circuit protection, efficiency, and safety should always be a priority when considering load centers and their role in your electrical system's distribution of circuits.
FAQ
What is a load center?
A load center, also known as an electrical service panel, circuit breaker box, or panelboard, is a crucial component of a home's electrical system. It functions to receive incoming power from the utility company and distribute it to the various electrical circuits throughout the house.
What is the purpose of a load center?
Load centers, also referred to as panelboards, contain circuit breakers that protect the individual electrical circuits throughout the house. They receive power from the utility company or another load center and distribute it to the various branch circuits, ensuring the safety and efficiency of the electrical distribution in a home.
What are the main types of load centers?
The main types of load centers are main breaker load centers and main lug load centers. Main breaker load centers have a built-in main breaker that provides overcurrent protection for all the downstream circuits. Main lug load centers, on the other hand, have a single lug and do not have a main breaker. They are often used as subpanels to add additional circuits to an existing electrical system.
What is the difference between main breaker load centers and main lug load centers?
Main breaker load centers are the primary load centers in a home's electrical system. They have a built-in main breaker that provides overcurrent protection for all the downstream circuits. Main lug load centers, also known as subpanels, do not have a main breaker. They are typically installed downstream from the main breaker load center to add additional circuits to the electrical system. Main lug load centers create independent electrical zones and rely on the main breaker in the main load center for overcurrent protection.
Why are load centers important?
Load centers play a critical role in the electrical circuit protection and overall efficiency and safety of a home's electrical system. They serve as the central hub for distributing electrical power to the various circuits throughout the house, ensuring that the power is accurately distributed and protected from potential overloads or short circuits. Choosing the appropriate load center and following proper installation and maintenance procedures is essential for the longevity and reliability of the system.