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RB.22.9.125.9021 Finder Bistable relay Plugin 8A 110/125 V
Finder RB.22.9.125.9021 bistable relay with 110–125 V DC coil, two changeover contacts and 8 A switching capability for industrial control applications.
£202.75
Why Choose the Finder RB.22.9.125.9021 Bistable Relay?
The Finder RB.22.9.125.9021 is a reliable bistable plug-in relay designed for industrial automation, electrical control and signalling applications where dependable latching operation is required. As part of the Finder RB.22 bistable relay series, it provides efficient SET and RESET control, low energy consumption and reliable switching performance for modern control systems.
This bistable relay features a double coil design with remote SET and RESET commands, allowing the contact position to be maintained without continuous coil energisation. The RB.22 series is designed for installation on an 11-pin socket type 90.21 and is suitable for control panels, industrial automation systems and electrical distribution equipment.
With a 110–125 V DC coil supply, 8 A switching current and two changeover contacts (2PDT), the Finder RB.22.9.125.9021 is ideal for industrial control circuits, signalling systems and applications requiring stable latching relay operation.
Key Advantages
- Reliable bistable relay designed for industrial control and signalling applications.
- 110–125 V DC coil operation for specialised control systems.
- 8 A switching capacity for a wide range of electrical loads.
- Double coil SET and RESET control for stable latching operation.
- Plug-in socket mounting for straightforward replacement and maintenance.
- Reduced energy consumption compared with continuously energised relays.
Key Features
- Finder RB.22 bistable relay series.
- 110–125 V DC coil voltage.
- 8 A rated switching current.
- Two changeover contacts (2PDT).
- Double coil version with remote SET and RESET commands.
- 11-pin socket mounting using Finder type 90.21 socket.
- LED indication for command status.
- Cadmium-free contact material.
Reliable Latching Control for Automation Systems
Bistable relays such as the Finder RB.22.9.125.9021 provide efficient switching control by maintaining their contact state after receiving a SET or RESET command. This makes them suitable for applications where continuous coil power is unnecessary and stable switching positions are required.
The Finder RB.22 series is designed for automation engineers, electrical installers and panel builders requiring compact plug-in relay solutions. Its robust contact system, LED indication and flexible control functions allow integration into a wide range of industrial and electrical control applications.
Typical Applications
- Industrial automation control panels.
- Electrical distribution equipment.
- Control and signalling circuits.
- Building automation systems.
- OEM machinery installations.
- Remote switching and latching applications.
Technical Specifications
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| Device Type | Latching / Impulse Relay | |
|---|---|---|
| Mounting Type | Plug-in socket | |
| Load Voltage | 400 V AC | |
| Switching Current (A) | 8 A | |
| Coil / Supply Voltage | 110 V DC, 125 V DC | |
| Contacts | 2 C/O | |
| IP Rating | IP20 | |
| HS Code | 85364900 | |
| Manufacturer | Finder | |
| Series | RB.22 Bistable Relays | |
| Model | RB.22.9.125.9021 | |
| Product type | Bistable plug-in relay | |
| Coil voltage | 110–125 V DC | |
| Contact configuration | 2PDT (2 changeover contacts) | |
| Rated switching current | 8 A | |
| Maximum switching voltage | 400 V AC | |
| Maximum switching power | 2000 VA | |
| Mounting type | 11-pin socket mounting | |
| Compatible socket | Finder type 90.21 | |
| Connection type | Plug-in terminals | |
| Protection rating | IP20 | |
| Operating temperature | -40 to +55 °C |
Frequently Asked Questions
What is the Finder RB.22.9.125.9021 used for?
The Finder RB.22.9.125.9021 is a bistable relay used for industrial automation, control circuits, signalling and electrical switching applications requiring maintained relay states.
What coil voltage does this relay require?
The relay operates with a 110–125 V DC coil supply.
How many contacts does the RB.22.9.125.9021 have?
The relay features two changeover contacts (2PDT) for flexible control switching.
What is the maximum switching current?
The Finder RB.22.9.125.9021 supports a maximum switching current of 8 A.
What socket is used with this bistable relay?
The relay is designed for installation with an 11-pin Finder type 90.21 socket.
Trusted by Automation Engineers Worldwide
Finder RB series bistable relays are widely used in industrial and electrical control systems where reliable latching operation and efficient switching performance are required.
