Thermal Overload Relays - Schneider Electric

Schneider Electric LR3D3656 is a non-differential thermal overload relay designed for unbalanced networks, falling within the LR3D sub-range. It features a direct connection type to the contactor for upstream connections, with outgoing cables connected via lugs and a control circuit utilizing screw-clamp connections. This 3-pole relay is engineered for protection functions classified under Class 10A, with a rated current range of 48-65 A. The protection settings for thermal overload are adjustable between 48-65A. It includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. The rated voltage for phase-to-phase connections is up to 690 V for frequencies ranging from 0 to 400Hz. The minimum current specification is 48 A, and it can handle a maximum current of 65 A.

Schneider Electric LR3D3503 is a non-differential thermal overload relay designed for unbalanced networks, belonging to the LR3D sub-range. It features a 3-pole configuration and offers protection functions classified under Class 10A. This part is designed for direct connection to a contactor upstream, with outgoing cables and control circuit connections utilizing spring-type fast connections. It supports a rated current range of 37-50 A, with protection settings adjustable within the same range. The LR3D3503 includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts. It is rated for a phase-to-phase voltage of up to 690 V at frequencies ranging from 0 to 400Hz. The minimum operating current is 37 A, and the maximum is 50 A.

Schneider Electric LR3D3326 is a non-differential thermal overload relay designed for unbalanced networks, belonging to the LR3D sub-range. It features a direct connection to the contactor upstream, with outgoing cables connected via lugs and a control circuit utilizing screw-clamp connections. This 3-pole relay is engineered for a rated current of 23-32 A, with protection settings adjustable within the same range for thermal overload. It includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts. The LR3D3326 is capable of handling a rated voltage (AC) phase-to-phase of up to 690 V at frequencies ranging from 0 to 400Hz, with a minimum operating current of 23 A and a maximum of 32 A.

Schneider Electric LR3D3323 is a non-differential thermal overload relay designed for unbalanced networks, classified under the LR3D range. It features a 3-pole configuration and offers protection functions with a Class 10A rating. The relay supports a rated current range of 23-32 A, with protection settings adjustable within the same range. It is equipped with 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts for enhanced connectivity options. The connection type is direct to contactor for upstream connections and spring-type (fast connection) for both outgoing cables and control circuit, facilitating quick and secure installations. The LR3D3323 operates at a rated voltage (AC) of up to 690 V for phase-to-phase connections, accommodating frequencies of 0-400Hz. Its operational current limits span from a minimum of 23 A to a maximum of 32 A.

Schneider Electric LR3D3186 is a non-differential thermal overload relay designed for unbalanced networks, belonging to the LR3D sub-range. It features a direct connection type to the contactor for upstream connections and lugs for outgoing cables, with screw-clamp terminals for the control circuit. This 3-pole relay is engineered for protection functions classified under Class 10A, with a rated current range of 12-18 A. The protection settings for thermal overload are adjustable within the same range. It includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts for enhanced functionality. The rated voltage for phase-to-phase applications is up to 690 V (0-400Hz), with a minimum operating current of 12 A and a maximum of 18 A.

Schneider Electric LR3D3183 is a non-differential thermal overload relay designed for unbalanced networks, belonging to the LR3D sub-range. It features a 3-pole configuration and offers protection functions classified under Class 10A. This part is designed for direct connection to a contactor for upstream connections, with outgoing cables and control circuit connections utilizing spring-type fast connections. It supports a rated current range of 12-18 A, with thermal overload protection settings adjustable within the same range. The LR3D3183 includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It is rated for a phase-to-phase voltage of up to 690 V at frequencies ranging from 0 to 400Hz. The minimum operating current is 12 A, and the maximum current capacity is 18 A.

Schneider Electric LR3D3133 is a non-differential thermal overload relay designed for unbalanced networks, belonging to the LR3D sub-range. It features a 3-pole configuration and offers protection functions classified under Class 10A. This part is designed for direct connection to a contactor upstream, with outgoing cables and control circuit connections utilizing spring-type fast connections. It supports a rated current range of 9-13 A, with thermal overload protection settings adjustable within the same range. The LR3D3133 includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It is rated for a phase-to-phase voltage of up to 690 V at frequencies ranging from 0 to 400Hz. The minimum operating current is 9 A, and the maximum current capacity is 13 A.

Schneider Electric LR3D22L6 is a non-differential thermal overload relay designed for unbalanced networks, falling within the LR3D sub-range. It features a direct connection to the contactor for upstream connections and lugs for outgoing cables, alongside screw-clamp terminals for the control circuit. This 3-pole relay is engineered to provide protection with settings adjustable from 17 to 24A. It includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts for enhanced control functionality. The LR3D22L6 is rated for a phase-to-phase voltage of up to 690V (0-400Hz) and supports a current range from a minimum of 17A to a maximum of 24A, adhering to Class 20 protection standards.

Schneider Electric LR3D14L6 is a non-differential thermal overload relay designed for unbalanced networks, falling within the LR3D sub-range. It features a direct connection to the contactor upstream and lugs for outgoing cables, with a screw-clamp connection for the control circuit. This 3-pole relay is engineered for a rated current of 7-10 A, with protection settings for thermal overload also set within the 7-10A range. It includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. The rated voltage for phase-to-phase operation, applicable for frequencies from 0 to 400Hz, is 690 V. The minimum operating current is set at 7 A, with a maximum threshold of 10 A.

Schneider Electric LR3D05L6 is a non-differential thermal overload relay designed for unbalanced networks, belonging to the LR3D sub-range. It features a direct connection to the contactor upstream and lugs for outgoing cables, with a screw-clamp connection for the control circuit. This 3-pole relay is equipped with protection functions classified as Class 20, supporting a rated current range of 0.63-1 A. The protection settings for thermal overload are adjustable within the same range. It includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts. The rated voltage for phase-to-phase operation is up to 690 V at frequencies from 0 to 400Hz, with a minimum operating current of 0.63 A and a maximum of 1 A.