Siemens
Siemens RH2131-1BF40 Industrial Relay - 4 NO Contacts
Siemens RH2131-1BF40 industrial relay with 4 NO contacts.
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12-Mo Warranty
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
4 Normally Open (NO) contacts
Reliable switching
Robust industrial design
Long electrical life
Suitable for control circuits
Product description
The Siemens RH2131-1BF40 is a versatile industrial relay featuring 4 Normally Open (NO) contacts. It is designed for reliable switching in control circuits across various industrial automation applications.
This relay is ideal for use in control panels, machine automation, and process control systems where reliable signal switching and isolation are required. Its robust construction ensures long service life and consistent performance.
Find the Siemens RH2131-1BF40 at Stanlo Automation, your veteran-owned source for surplus industrial automation parts. We provide quality components and excellent service to support your automation projects.
Technical specifications
| Contact Configuration | 4 NO |
| Coil Voltage | 24V DC |
| Manufacturer | Siemens |
| Type | Industrial Relay |
| Series | RH2131 |
Common applications
Control Panels
Machine Automation
Process Control
Electrical Interlocking
Signal Switching
Compatible systems
Control systems with 24V DC control voltage
PLC output modules
Automation control panels
Also known as
Siemens RH2131 Series Relay
RH2131-1BF40 Control Relay
Siemens 4NO Relay
Replaces / compatible with
Direct replacement for Siemens RH2131 series relays with 4 NO contact configuration.
Technical note
Expert tip
Ensure the coil voltage (24V DC) matches your control system's power supply to prevent damage to the relay.What happens next?
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Frequently asked questions
What is the contact configuration of the Siemens RH2131-1BF40 relay?
The Siemens RH2131-1BF40 industrial relay features a contact configuration of 4 Normally Open (NO) contacts. This means that when the relay coil is energized, all four contacts will close, allowing current to flow.