The Siemens 3RT2018-1BB42 contactor is a 7.5 kW, 16 A electrical contactor with a 24 V DC coil and an auxiliary contact, suitable for controlling electric motors and other high-power applications. This device is commonly used in industrial automation to manage power circuits and ensure reliable operation. Its compact design and robust performance make it an excellent choice for demanding environments requiring precise control.
| Type |
Contactor |
| Coil Voltage |
24V DC |
| Auxiliary contact type |
1 breaker |
| Connection |
Screw terminal |
| Contact Type |
3 makers |
| Current load |
16A |
| Depth |
73mm |
| Dimensions |
(W x H x D) 45 x 58 x 73 mm |
| Durability |
3.0E7 |
| Height |
58mm |
| IP Rating |
IP20 |
| Maximum Temperature |
+60°C |
| Min. temperature |
-25°C |
| Misc Attribute 1 |
3RT2018-1BB42 |
| Misc Attribute 2 |
S00 |
| Mounting Style |
DIN rail |
| Number of auxiliary contacts as normally closed contact |
1 |
| Number of auxiliary contacts as normally open contact |
N/A |
| Number of normally closed contacts as main contact |
N/A |
| Number of normally open contacts as main contact |
3 |
| Number of Poles |
3 |
| Operating voltage AC 50 Hz |
N/A |
| Operating voltage AC 60 Hz |
N/A |
| Power |
7.5kW |
| Power Rating |
7.5 |
| 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 Ie at AC-1, 400 V |
22A |
| Rated operation current Ie at AC-3, 400 V |
16A |
| Rated operation current Ie at AC-4, 400 V |
11.5A |
| Rated operation power at AC-3, 400 V |
7.5kW |
| Rated operation power at AC-4, 400 V |
N/A |
| Rated operation power NEMA |
7.354987499 |
| Suitable for distribution board |
TRUE |
| Switching voltage (max.) |
400V AC |
| Terminals |
3-pin |
| Type of electrical connection of main circuit |
Screw connection |
| Voltage type for actuating |
DC |
| Weight |
0.29 |
| Width |
45mm |
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