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Siemens 3RG7857-1BD Safety Relay

Siemens 3RG7857-1BD Safety Relay.

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ManufacturerSiemens

Part number3RG7857-1BD

Voltage 24V DC

Safety Category 4 (EN 954-1)

Series 3RG78

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Category 4 safety compliance 24V DC operation Reliable safety monitoring Industrial grade Compact design

Product description

The Siemens 3RG7857-1BD is a safety relay designed for monitoring safety circuits in industrial applications. It operates with a 24V DC supply and is built to meet stringent safety standards, including Category 4 according to EN 954-1.

This relay is used in various safety-critical systems, such as emergency stop circuits, safety gate monitoring, and light curtain applications, to ensure the protection of personnel and machinery. Its reliability makes it suitable for demanding industrial environments.

Stanlo Automation offers the Siemens 3RG7857-1BD safety relay, providing a dependable solution for your safety automation needs. As a veteran-owned surplus parts distributor, we are dedicated to quality and service.

Technical specifications

Voltage	24V DC
Safety Category	4 (EN 954-1)
Series	3RG78

Common applications

Emergency stop circuits

Safety gate monitoring

Light curtain applications

Machine guarding

Industrial control panels

Compatible systems

Safety switches E-stop buttons Safety gate interlocks

Also known as

Siemens 3RG7857-1BD Safety Monitoring Relay

Technical note

Expert tip

Proper wiring and adherence to safety standards are essential for the correct and safe operation of this safety relay.

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Frequently asked questions

What is the operating voltage for the Siemens 3RG7857-1BD?

The Siemens 3RG7857-1BD safety relay operates on a 24V DC power supply. This is a common voltage for industrial control systems, ensuring compatibility with many power sources.