Siemens 3RH21312JB40 Auxiliary relay 3-phase 1.6-16 A 24-240V AC/DC

The Siemens 3RH2131-2JB40 auxiliary coupling relay is a compact electromechanical device designed to interface multiple circuits. Featuring robust electrical contactor capabilities, it is ideal for switching and controlling functions in industrial automation systems. Typical applications include motor control, signal amplification, and integration into control panels.

Type	Auxiliary coupling relay
Connection type auxiliary circuit	Spring clamp connection
Contact Current Rating	40A
Depth	73mm
Dimensions	(W x H x D) 45 x 70 x 73 mm
Durability	3000 0000
Height	70mm
Interface	false
IP Rating	IP20
Maximum Temperature	+60°C
Min. temperature	-25°C
Misc Attribute 1	3RH2131-2JB40
Misc Attribute 2	S00
Mounting method	N/A
Number of auxiliary contacts as change-over contact	N/A
Number of auxiliary contacts as normally closed contact	1
Number of auxiliary contacts as normally closed contact, delayed switching	N/A
Number of auxiliary contacts as normally open contact	3
Number of auxiliary contacts as normally open contact, leading	N/A
Operating voltage AC 50 Hz	N/A
Operating voltage AC 60 Hz	N/A
Operating voltage DC	N/A
Rated control supply voltage AC 50 Hz	N/A
Rated control supply voltage AC 60 Hz	N/A
Rated control supply voltage DC	24 - 24V
Rated operation current	N/A
Rated operation current Ie, 400 V	3A
Rated switch current	N/A
Suitable for manual operation	false
Voltage type (operating voltage)	N/A
Voltage type for actuating	DC
Width	45mm
With LED indication	false