Why Choose the Finder 20.21.9.024.4000 Impulse Relay?
The Finder 20.21.9.024.4000 is a compact and reliable modular impulse relay designed for switching and controlling electrical loads in industrial, commercial and building automation applications. Part of the Finder Series 20 impulse relay range, it provides dependable latching operation controlled by push buttons or momentary switching contacts.
This relay features a single normally open contact configuration with a mechanical indicator and integrated test button for simple installation, commissioning and maintenance. Its modular DIN rail mounting format allows straightforward integration into electrical distribution boards and control cabinets.
With a 24 V DC coil supply, a 16 A switching rating and a single normally open contact, the Finder 20.21.9.024.4000 provides reliable impulse switching for lighting control, automation systems and electrical installations.
Key Advantages
- Compact impulse relay for electrical switching applications.
- 16 A contact rating suitable for general electrical loads.
- 24 V DC coil operation for low-voltage control systems.
- DIN rail mounting enables simple installation in distribution panels.
- Mechanical indicator and test button simplify commissioning and maintenance.
- Latching operation maintains contact position without continuous coil energisation.
Key Features
- Finder Series 20 impulse relay.
- Single pole normally open (SPST-NO) contact.
- 16 A rated contact current.
- 24 V DC coil voltage.
- DIN rail mounting design.
- Mechanical indicator for status visibility.
- Integrated test button.
- Screw terminal connection.
- Cadmium-free AgSnO₂ contact material.
Reliable Switching for Electrical Automation
Impulse relays such as the Finder 20.21.9.024.4000 provide efficient control of electrical circuits by changing contact state each time a control pulse is received. This makes them ideal for applications requiring multiple control points using momentary push buttons.
Finder Series 20 relays are designed for electricians, panel builders and automation professionals requiring reliable switching performance, compact installation and long-term operational stability.
Typical Applications
- Lighting control systems.
- Building automation installations.
- Electrical distribution panels.
- Industrial control cabinets.
- Remote push-button switching systems.
- Automation and control applications.
