Siemens Safety Expansion Module
Product Basic Information:
- Manufacturer: Siemens AG
- Part Number: 3TK2907-0BB4 (3TK29070BB4)
- Product Family/Series: 3TK2 Safety Relay Series
- Country of Manufacture: Germany
Technical Specifications:
- Rated Control Voltage (Us): 24V DC
- Rated Operating Current (Ie AC-1): 6 A
- Contact Configuration: 7 NO (Normally Open)
- Auxiliary Contacts: B300/Q300 rated
- Short-Circuit Protection: 6A/240V AC (B300/Q300 General Use)
- Rated Insulation Voltage: 300V max
- Conductor Temperature: 60°C CU wire only
- AC-15 Contact Ratings:
- 24V: 4 A
- 230V: 4 A
- 400V: 3 A
- DC-13 Contact Ratings:
- Power Ratings (AC-3):
- 0.55 kW at 230V
- 1.1 kW at 400V
- Max Horsepower:
- 120V: 1/4 HP (1Ø), 3/4 HP (3Ø)
- 240V: 1/2 HP (1Ø), 1 HP (3Ø)
- Standards:
- IEC 60947-1
- VDE 0660 T.500
- UL Listed (165 C)
- CSA Certified
- CE Marked
Product Features:
- Expansion module for safety relay circuits
- For use with contactor combinations in safety circuits
- Provides 7 enabling (safety) circuits
- DC operation via 24V DC solenoid system
- Modular DIN-rail mountable
- High-reliability industrial design for machine safety applications
Product Designed Use:
- Intended for emergency stop and safety circuit applications in industrial automation
- Used as a safety expansion module in conjunction with Siemens safety relays or contactors
- Enhances safety systems with multiple enabling contacts (7 NO)
- Designed to meet international safety standards for automated systems
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