Siemens
Siemens 3RH1422-1AP00 Latching Contactor Relay (230V AC)
Siemens 3RH1422-1AP00 Latching Contactor Relay, 4-pole, 2 NO + 2 NC.
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12-month warranty
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Same-day dispatch
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Veteran-owned
CAGE: 9NK75
4-Pole Design
2 Normally Open Contacts
2 Normally Closed Contacts
230V AC Coil
Latching Functionality
Size S00
Product description
The Siemens 3RH1422-1AP00 is a 4-pole latching contactor relay, providing 2 normally open (NO) and 2 normally closed (NC) contacts. It operates with a 230V AC coil for size S00 applications.
Latching contactor relays are used in applications where sustained contact state is required without continuous coil energization, saving power and reducing heat. They are common in control systems, automation, and energy management.
Stanlo Automation, a veteran-owned surplus parts distributor, ensures you can source essential components like the Siemens 3RH1422-1AP00. We help you find obsolete and specialized parts for your industrial automation needs.
Technical specifications
| Type | Latching Contactor Relay |
| Manufacturer | Siemens |
| Part Number | 3RH1422-1AP00 |
| Pole Count | 4-pole |
| Auxiliary Contacts | 2 NO + 2 NC |
| Coil Voltage | 230V AC 50/60 Hz |
| Size | S00 |
| Series | SIRIUS 3RH1 |
Common applications
Energy Saving Control
Automation Systems
Industrial Control
Latching Circuits
Power Management
Control Panels
Compatible systems
Used in Siemens automation and control systems requiring persistent state switching without continuous power.
Also known as
Siemens 3RH1422-1AP00 Latching Relay
SIRIUS 3RH1422-1AP00
Siemens 4-pole latching contactor
Replaces / compatible with
This is a phased-out product. The preferred successor is the SIRIUS 3RH2422-1AP00. Consult the successor for current applications and specifications.
Technical note
Expert tip
Ensure proper integration with control logic to manage the latch and unlatch commands effectively.What happens next?
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Frequently asked questions
How does the latching function of the Siemens 3RH1422-1AP00 work?
The 3RH1422-1AP00 uses a mechanical latch mechanism. Once the coil is energized, it changes the contact state, and it remains in that state even after the coil de-energizes, until reset or a different latching command is given.