Siemens 3TK2907-0BB4 Safety Relay Expansion Module
Shop the Siemens 3TK2907-0BB4 SIRIUS safety relay expansion module. This 24V DC unit features 7 NO auxiliary contacts for feedback circuit monitoring, compliant with IEC 60947-1 and UL standards for industrial control applications.
Siemens 3TK2907-0BB4 Safety Relay Expansion Module
The Siemens 3TK2907-0BB4 is a SIRIUS safety relay expansion module engineered to enhance safety circuits by providing additional outputs for feedback loop monitoring. Operating on a rated control supply voltage of 24V DC, this reliable module is equipped with seven normally open (NO) auxiliary contacts, making it ideal for expanding the contact capacity of a base safety relay. It is designed for seamless integration into industrial control systems, adhering to key international standards such as IEC 60947-1 and VDE 0660. The 3TK2907-0BB4 supports various load types, including AC-1, AC-15, and AC-3 motor loads, offering a versatile solution for applications requiring robust and certified safety expansion.
Technical Specifications:
- Brand: Siemens
- Model: 3TK2907-0BB4
- Product Type: Safety Relay Expansion Module
- Rated Control Supply Voltage (Us): 24V DC
- Auxiliary Contacts: 7 Normally Open (NO)
- Rated Operational Current (Ie) AC-1: 6A
- Utilization Category AC-15: 4A at 230V, 3A at 400V
- Utilization Category AC-3 (Motor Load): 0.55kW at 230V, 1.1kW at 400V
- Standards Compliance: IEC 60947-1, VDE 0660 T.500
- Certifications: CE, UL Listed
| Brand | Siemens |
|---|---|
| Model | 3TK2907-0BB4 |
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