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Finder 22.22.8.012.4000 – 22 Series Modular monostable relays
Finder 22.22.9.012.4000 is a Series 22 modular monostable power relay featuring a 12 V DC coil, two normally open 20 A contacts, silver tin oxide contact material and DIN rail mounting for industrial automation and electrical switching applications.
£22.33
Why Choose the Finder 22.22.8.012.4000 Modular Power Relay?
The Finder 22.22.8.012.4000 is a reliable 20 A modular electromechanical power relay designed for electrical switching, building automation and industrial control applications. As part of the Finder Series 22 modular relay range, it combines dependable switching performance with a compact DIN rail mounting design.
Featuring a 12 V AC operating coil and two normally open (2 NO) contacts, this relay allows two electrical switching paths to be controlled simultaneously using a single AC control signal. Its silver tin oxide (AgSnO2) contacts provide reliable switching performance, particularly in applications involving lighting and appropriately rated electrical loads.
With a 20 A contact current rating, a 250 V AC rated contact voltage and standard 35 mm DIN rail mounting, the Finder 22.22.8.012.4000 is suitable for lighting control, distribution boards, electrical automation and industrial equipment. Its integrated test button and screw terminal connections support convenient installation and maintenance.
Key Advantages
- Reliable 20 A modular power relay for industrial and commercial electrical switching.
- 12 V AC operating coil for compatible low-voltage AC control circuits.
- Two normally open contacts (2 NO) enable simultaneous switching of two circuits.
- Silver tin oxide (AgSnO2) contacts provide dependable switching performance.
- 35 mm DIN rail mounting simplifies installation in electrical control panels.
- Integrated test button supports convenient functional checking.
- Monostable operation automatically returns contacts to their normal position when coil power is removed.
- Compact modular construction suitable for electrical distribution and automation installations.
Key Features
- Finder Series 22 modular relay.
- 12 V AC nominal coil voltage.
- 20 A rated contact current.
- Two normally open (2 NO / DPST-NO) contacts.
- 250 V AC rated contact voltage.
- 400 V AC maximum switching voltage.
- 8000 VA maximum switching capacity.
- 13.5 Ω coil resistance.
- 245 mA nominal coil current.
- Silver tin oxide (AgSnO2) contact material.
- Monostable, non-latching relay operation.
- Integrated manual test button.
- DIN rail mounting with screw terminal connections.
- IP20 protection rating.
Reliable Two-Pole Switching for Electrical Automation
The Finder 22.22.8.012.4000 operates through an electromagnetic coil energised by a 12 V AC control supply. When the coil is energised, both normally open contacts close, allowing current to flow through their connected electrical circuits. When the coil is de-energised, the contacts return to their normally open position, providing straightforward monostable switching control.
The Finder Series 22 modular relay range is designed for electrical installations requiring dependable load switching, convenient wiring and compact installation. With its 20 A contacts, DIN rail mounting and integrated test button, the 22.22.8.012.4000 is a practical solution for panel builders, electrical contractors and automation engineers.
Typical Applications
- Industrial electrical control panels and distribution boards.
- Commercial and industrial lighting control systems.
- Building automation and electrical management installations.
- Industrial machinery and equipment switching.
- Low-voltage AC control systems.
- Remote switching of appropriately rated electrical loads.
- Two-pole electrical switching applications.
- Automation and process control equipment.
Technical Specifications
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| Device Type | Modular Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Switching Current (A) | 20 A | |
| Load Voltage | 400 V AC | |
| Mounting Type | DIN rail | |
| Manufacturer | Finder | |
| Series | Series 22 Modular Relays | |
| Model | 22.22.8.012.4000 | |
| Product type | Modular electromechanical power relay | |
| Relay operation | Monostable / non-latching | |
| Nominal coil voltage | 12 V AC | |
| Coil supply type | Alternating current (AC) | |
| Nominal coil current | 245 mA | |
| Coil resistance | 13.5 Ω | |
| Minimum operate voltage | 10.2 V AC | |
| Number of contacts | 2 | |
| Contact configuration | DPST-NO (2 Form A) | |
| Rated contact current | 20 A | |
| Rated contact voltage | 250 V AC | |
| Maximum switching voltage | 400 V AC | |
| Maximum switching capacity | 8000 VA | |
| Contact material | Silver tin oxide (AgSnO2) | |
| Operate time | 15 ms | |
| Release time | 8 ms | |
| Operating temperature | −40 to +40 °C | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Terminal type | Screw terminals | |
| Approvals | CE, EAC |
Frequently Asked Questions
What is the Finder 22.22.8.012.4000 used for?
The Finder 22.22.8.012.4000 is a 20 A modular power relay used for electrical load switching in lighting control, building automation, distribution boards and industrial control systems.
What coil voltage does this relay require?
The relay operates using a 12 V AC coil supply, making it suitable for compatible low-voltage alternating-current control circuits.
How many contacts does the Finder 22.22.8.012.4000 have?
It features two normally open (2 NO) contacts, also described as a DPST-NO or 2 Form A contact configuration.
What is the rated switching current?
The relay has a 20 A rated contact current. The permissible load depends on the electrical load characteristics and applicable switching ratings.
Can this relay be installed on a DIN rail?
Yes. The Finder 22.22.8.012.4000 is designed for mounting on a standard 35 mm DIN rail inside electrical distribution boards and control cabinets.
Is the Finder 22.22.8.012.4000 a latching relay?
No. It is a monostable, non-latching relay, meaning its contacts return to their normally open state when coil power is removed.
What is the difference between the Finder 22.22.8.012.4000 and 22.22.9.012.4000?
The main difference is the coil supply: the 22.22.8.012.4000 uses 12 V AC, while the 22.22.9.012.4000 uses 12 V DC. Both have two normally open contacts rated at 20 A.
Trusted by Electrical Engineers and Automation Professionals Worldwide
Finder Series 22 modular relays provide dependable switching solutions for electrical contractors, industrial automation engineers, panel builders and building control specialists. The Finder 22.22.8.012.4000 combines 20 A two-pole switching, 12 V AC control and convenient DIN rail installation for modern electrical systems.
