Siemens
Siemens 3TH2022-0BB4 Contactor Relay - 24V DC
Siemens 3TH2022-0BB4 Contactor Relay, 24V DC
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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
2 Normally Open contacts
2 Normally Closed contacts
24V DC coil voltage
Screw terminal connections
Compliant with EN 50011
Product description
The Siemens 3TH2022-0BB4 is a contactor relay designed according to EN 50011 standards. It features 2 normally open (NO) and 2 normally closed (NC) contacts, with screw terminals for connection. This unit operates on a 24 V DC control voltage.
This contactor relay is suitable for various industrial control circuits requiring reliable switching of auxiliary contacts. It is often used in motor control panels and automation systems for signaling or interlocking purposes.
While this product is phased out, Stanlo Automation, a veteran-owned distributor, can help you source this part or its successor, the SIRIUS 3RH21, ensuring your automation needs are met with dependable surplus components.
Technical specifications
| Type | Contactor Relay |
| Series | 22E (EN 50011) |
| Contacts | 2 NO + 2 NC |
| Control Voltage | 24 V DC |
| Termination | Screw Terminal |
| Status | Phased-out Product |
Common applications
Control circuits
Interlocking
Signaling
Automation panels
Motor control
Compatible systems
Control circuits requiring 2 NO and 2 NC contacts
Also known as
Siemens 22E relay
3RH21 predecessor
Siemens auxiliary relay
Replaces / compatible with
Phased-out product. Successor is SIRIUS 3RH21 series. Compatible with SIRIUS 3RH21 accessories.
Technical note
Expert tip
When replacing with the 3RH21 series, ensure the mounting and terminal configurations are compatible with your existing control panel layout.What happens next?
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
What is the successor to the Siemens 3TH2022-0BB4 contactor relay?
The Siemens 3TH2022-0BB4 contactor relay has been phased out. Its successor is the SIRIUS 3RH21 series, which offers similar functionality and is designed to replace the 3TH20 series.