
SIEMENS 3TH4280-0BB4 CONTACTOR RELAY New
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The Siemens 3TH4280-0BB4 contactor relay delivers dependable switching for control circuits in industrial automation and panel building. With 8 normally open contacts, it supports multi-channel interlocking, signaling and logic functions, making it a solid choice for OEMs and maintenance teams seeking consistent performance.
Engineered for DC operation, the 24 V DC coil provides fast, chatter-free pull-in and reliable holding when driven from PLC or power-supply outputs. Screw terminals ensure secure terminations and straightforward installation, while compliance with DIN EN 50011 aligns the device with common control hardware and layout standards for easy integration.
Designed to keep your projects running on schedule and your panels serviceable over the long term, this contactor relay combines proven Siemens build quality with practical features and is supplied with a 1-year warranty to support your investment.
- Brand: Siemens
- Series: 3TH42
- Model: 3TH4280-0BB4
- Contact configuration: 8 NO (normally open)
- Coil voltage: 24 V DC
- Operation type: DC operation
- Connection type: Screw terminals
- Standard compliance: DIN EN 50011