Siemens
Siemens 3RH1122-1AF00 SIRIUS Contactor Relay
Siemens 3RH1122-1AF00 SIRIUS Contactor Relay.
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12-Mo Warranty
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12-month warranty
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Same-day dispatch
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Worldwide delivery
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Veteran-owned
CAGE: 9NK75
2 NO and 2 NC contacts
110V AC coil voltage
SIRIUS 3RH1 series
Size S00
Screw terminals
Product description
The Siemens 3RH1122-1AF00 is a SIRIUS Contactor Relay with 2 normally open (NO) and 2 normally closed (NC) contacts. It operates with a 110V AC coil and is size S00, designed for reliable switching in industrial control circuits.
This relay is used in motor control applications, control panels, and automation systems for switching auxiliary circuits or small loads. It's a component in star-delta starters, reversing circuits, and other complex control sequences.
Stanlo Automation offers the Siemens 3RH1122-1AF00 contactor relay. As a veteran-owned surplus distributor, we provide access to reliable industrial components, including phased-out parts like this one.
Technical specifications
| Coil Voltage | 110V AC (50/60 Hz) |
| Contact Configuration | 2 NO + 2 NC |
| Size | S00 |
| Series | SIRIUS 3RH1 |
Common applications
Motor control
Control panels
Auxiliary circuit switching
Automation systems
Industrial machinery
Compatible systems
Control panels
Motor starters
Automation systems
Also known as
Siemens 3RH1122-1AF00 Contactor
Siemens 3RH1 Contactor Relay
Replaces / compatible with
This is a phased-out product. The preferred successor is the SIRIUS 3RH2122-1AF00. Stanlo Automation can help you find suitable replacements.
Technical note
Expert tip
Coil suppression devices (RC elements, varistors, diodes) can be plugged onto this relay to dampen voltage peaks.What happens next?
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Frequently asked questions
What is the contact configuration of the Siemens 3RH1122-1AF00?
The Siemens 3RH1122-1AF00 features a contact configuration of 2 normally open (NO) and 2 normally closed (NC) contacts. This provides versatile switching capabilities for control circuits.