Siemens 3TH2040-0BB4 Contactor Relay
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AUXILIARY CONTACTOR RELAY
Compact Siemens auxiliary contactor relay with 4NO contacts, 24 V DC control voltage, and reliable switching for industrial control systems.
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SIEMENS 3TH2040-0BB4 CONTACTOR RELAY
The Siemens 3TH2040-0BB4 is a reliable auxiliary contactor relay designed for industrial control applications. Built to Siemens' high standards, it ensures dependable switching performance, compact design, and long operational life, making it ideal for integration in control circuits and automation systems.
Manufacturer: Siemens
Type: Contactor Relay
Model: 3TH2040-0BB4
Successor Type: Sirius 3RH21
Size: 0
Designation: Auxiliary Contactor
| Control Supply Voltage | 24 V DC |
| Rated Operating Current | 4 A (230 V AC), 3 A (400 V AC) |
| Auxiliary Contacts | 4 Normally Open (4NO) |
| Identification Number | 40E |
| Standard | IEC 947 / VDE 0660 |
| Protection Class IP | IP20 |
| Dimensions (W x D x H) | 45 x 68 x 48 mm |
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