BOM / RFQ

3RU6126-1JB0

MPN3RU6126-1JB0

Overload relay 7.0...10 A size S0, class 10, for motor protection for mounting onto contactors main circuit: screw terminal AUX. circuit: screw terminal manual automatic reset

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Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RU6126-1JB0 — Identification
Parameter	Value
Product brand name	SIRIUS
Product designation	Thermal overload relay
Combinable contactor sizes	S0

3RU6126-1JB0 — Protection & Trip
Parameter	Value
Overload current setting range	7 ... 10 A
Trip class	CLASS 10
Overload release type	thermal

3RU6126-1JB0 — Electrical (main circuit)
Parameter	Value
Rated operational current	10 A
Poles (main circuit)	3
Rated operating frequency	50 ... 60 Hz
Rated insulation voltage (AC, pollution degree 3)	690 V
Rated surge withstand voltage	6 kV
Main current circuit	screw-type terminals
Power loss at rated current (hot)	6.6 W
Per pole	2.2 W

3RU6126-1JB0 — Auxiliary contacts
Parameter	Value
Switching current at 24 V	2 A
Switching current at 110 V	0.22 A
Switching current at 230 V	2 A

3RU6126-1JB0 — Connection & Mounting
Parameter	Value
Mounting / fastening method	Contactor mounting
Mounting position	any
Main-circuit connector arrangement	Top and bottom
Auxiliary/control circuit connection type	screw-type terminals
Conductor cross-section: solid or stranded	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor cross-section: finely stranded with ferrule	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor range (AWG), main contacts	2x (16 ... 12), 2x (14 ... 8)
Conductor range (AWG), auxiliary contacts	2x (20 ... 16), 2x (18 ... 14)