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20.28.8.120.4000 Finder step relay 2 phase switch 2NO 120V
Finder 20.28.8.120.4000 modular step relay with 16 A switching capacity, 120 V AC coil supply and two normally open contacts for electrical control applications.
Why Choose the Finder 20.28.8.120.4000 Modular Step Relay?
The Finder 20.28.8.120.4000 is a compact and reliable modular electromechanical step relay designed for efficient switching and control of electrical loads in residential, commercial and industrial automation installations. As part of the established Finder Series 20 modular relay range, it provides dependable impulse switching operation for lighting and electrical control applications.
This bistable relay is designed for DIN rail installation and provides a practical solution for installations requiring push-button controlled switching of electrical circuits. Its compact modular housing, robust contact system and reliable operation make it suitable for modern distribution boards and automation panels.
With a 16 A switching capacity, 120 V AC coil supply and two normally open contacts, the Finder 20.28.8.120.4000 is suitable for controlling lighting circuits, building automation loads and electrical equipment where reliable step switching is required.
Key Advantages
- Compact modular step relay for DIN rail mounting.
- 16 A switching capacity suitable for lighting and automation loads.
- 120 V AC coil supply for reliable impulse operation.
- Two normally open contacts for flexible switching applications.
- Impulse control enables simple multi-point switching solutions.
- Space-saving modular design for electrical distribution systems.
Key Features
- Finder Series 20 modular step relay.
- Bistable impulse relay operation.
- 2NO contact configuration.
- 16 A rated switching current.
- 120 V AC coil voltage.
- AgNi contact material for reliable electrical switching.
- Designed for lighting and building automation applications.
- 35 mm DIN rail mounting installation.
Reliable Switching for Electrical Control Systems
Modular step relays such as the Finder 20.28.8.120.4000 provide efficient electrical switching by changing contact states each time a control pulse is received. This allows lighting and electrical loads to be controlled from multiple push-button locations without complex wiring arrangements.
The Finder Series 20 range is designed for electricians, installers and automation professionals requiring compact DIN rail components with dependable switching performance and long operational life.
Typical Applications
- Lighting control systems.
- Residential and commercial electrical installations.
- Building automation applications.
- Electrical distribution panels.
- Industrial control circuits.
- Remote impulse switching systems.
Technical Specifications
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| Device Type | Latching / Impulse Relay | |
|---|---|---|
| Mounting Type | DIN rail | |
| Switching Current (A) | 16 A | |
| Coil / Supply Voltage | 120 V AC | |
| Contacts | 2NO | |
| IP Rating | IP20 | |
| Manufacturer | Finder | |
| Series | Series 20 | |
| Model | 20.28.8.120.4000 | |
| Product type | Modular electromechanical step relay | |
| Relay function | Bistable impulse switching | |
| Contact configuration | 2NO | |
| Rated current | 16 A | |
| Rated contact voltage | 250 V AC | |
| Coil voltage | 120 V AC | |
| Contact material | AgNi | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail mounting |
Frequently Asked Questions
What is the Finder 20.28.8.120.4000 used for?
This relay is used for impulse switching and electrical load control in lighting, automation and industrial control applications.
What switching capacity does this relay provide?
The Finder 20.28.8.120.4000 provides a rated switching current of 16 A.
What coil voltage does this relay require?
The relay operates with a 120 V AC coil supply.
How many contacts does the relay have?
The relay features two normally open contacts for switching electrical loads.
Where is this relay installed?
The relay is designed for installation on standard 35 mm DIN rails inside electrical distribution boards and control panels.
Trusted by Electrical Installers Worldwide
Finder Series 20 modular step relays are trusted by electrical installers and automation professionals for reliable switching, compact installation and efficient control of lighting and electrical systems.
