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20.21.8.230.0000 Finder Modular relay 1phase switch 1 NO AC 230V
MPN: 20.21.8.230.0000
Alt. SKU: 202182300000
Special Price
£22.28
£18.57
Regular Price
£29.71
20.21.8.230.0000 Finder Modular relay 1phase switch 1 NO AC 230V is available to buy in increments of 5
Why Choose the Finder 20.21 Modular Step Relay
The Finder 20.21.8.230.0000 is a compact modular step relay for lighting and load control from multiple pushbuttons. It provides a single phase switch with 1 NO contact rated 16 A, driven by a 230 V AC coil, and mounts directly on a 35 mm DIN rail. It is only 17.4 mm wide and includes a test button with a mechanical position indicator for clear status on site.
Designed for stairwell and corridor lighting or general switching, the 20.21 offers up to 7 switching sequences and can interface with illuminated pushbuttons via the Finder 026.00 adaptor, making it flexible for both new builds and retrofits.
Key Features
- Modular step relay with 1 NO contact, 16 A rating.
- 230 V AC coil for direct mains control.
- DIN rail 35 mm mounting, 17.4 mm one module width.
- Test button and mechanical indicator on the front.
- Up to 7 switching sequences for step control.
- Works with illuminated pushbuttons using adaptor 026.00.
- Cadmium free contact material.
Technical Specifications
- Manufacturer: Finder
- Series: 20 Series modular step relays
- Type: 20.21
- Model: 20.21.8.230.0000
- Function: Step relay, single phase switch
- Contacts: 1 NO, 16 A rating.
- Coil voltage: 230 V AC.
- Module width: 17.4 mm, one DIN module.
- Mounting: 35 mm DIN rail EN 60715.
- Front controls: Test button with mechanical indicator.
- Switching sequences: up to 7 selectable.
- Accessory: Adaptor 026.00 for illuminated pushbuttons.
- Typical use: Stairwell and corridor lighting, general two wire step control.
Applications
- Stairwell and corridor lighting controlled from multiple pushbuttons.
- General purpose step switching for loads within 16 A rating.
- Retrofit upgrades where DIN rail space is limited.
Frequently Asked Questions
- What does a modular step relay do
- What contact and rating does this version have
- What is the coil voltage
- How does it mount in the enclosure
- Can I use illuminated pushbuttons
Trusted By Installers
"Slim one module relay with a clear indicator makes step lighting jobs quick and tidy." Electrical Contractor, UK
Frequently Asked Questions
How is this product installed or mounted?
It is designed for 35 mm DIN rail EN 60715. installation, making it suitable for neat, modular wiring in control panels.
What standards or safety ratings are stated for this product?
Relevant ratings are listed in the technical specifications, including: Module width 17.4 mm, one DIN module.; Switching sequences up to 7 selectable.. Refer to the manufacturer marking and datasheet for variant-specific approvals.
| Manufacturer Part Number | 20.21.8.230.0000 |
|---|---|
| Range | 20 |
| Manufacturer | Finder |
| Packed Quantity | 5 |
| Barcode | 8012823236797 |
| Alternative Product SKU | 202182300000 |
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