The Siemens 3RT2018-2BB42 contactor is a robust electrical component designed for 690 V AC applications. It is used for switching and controlling high power loads, making it ideal for heavy industrial and commercial environments. Typically, this contactor is applied in motor control circuits, automation systems, and as a key part of electrical machinery.
| Type |
Contactor |
| Coil Voltage |
690V AC |
| Connection |
Spring-loaded connector |
| Contact Type |
3 makers |
| Depth |
73mm |
| Dimensions |
(W x H x D) 45 x 70 x 73 mm |
| Durability |
3000 0000 |
| Height |
70mm |
| IP Rating |
IP20 |
| Maximum Temperature |
+60°C |
| Min. temperature |
-25°C |
| Misc Attribute 1 |
3RT2018-2BB42 |
| Misc Attribute 2 |
S00 |
| Mounting Style |
Spring-loaded connector |
| 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 |
| 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 |
| Terminals |
3-pin |
| Type of electrical connection of main circuit |
Spring clamp connection |
| Voltage type for actuating |
DC |
| Width |
45mm |
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