The Siemens 3RH2122-1BB40 contactor is a reliable electrical component designed to handle up to 10 A and operate at 24 V DC. It is commonly used for switching and controlling electric motors and loads in industrial automation and control systems. Manufactured by Siemens, this compact and durable contactor ensures efficient performance in various electrical applications.
| Type |
Contactor |
| Coil Voltage |
24V DC |
| Connection |
Screw terminal |
| Connection type auxiliary circuit |
Screw connection |
| Current load |
10A |
| Depth |
73mm |
| Dimensions |
(W x H x D) 45 x 57.5 x 73 mm |
| Durability |
3.0E7 |
| Height |
57.5mm |
| Interface |
false |
| IP Rating |
IP20 |
| Maximum Temperature |
+60°C |
| Min. temperature |
-25°C |
| Misc Attribute 1 |
3RH2122-1BB40 |
| Misc Attribute 2 |
S00 |
| Mounting method |
N/A |
| Mounting Style |
DIN rail |
| Number of auxiliary contacts as change-over contact |
N/A |
| Number of auxiliary contacts as normally closed contact |
2 |
| Number of auxiliary contacts as normally closed contact, delayed switching |
N/A |
| Number of auxiliary contacts as normally open contact |
2 |
| Number of auxiliary contacts as normally open contact, leading |
N/A |
| Number of Poles |
4 |
| 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 |
| Terminals |
4-pin |
| Voltage type (operating voltage) |
N/A |
| Voltage type for actuating |
DC |
| Width |
45mm |
| With LED indication |
false |
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