Why Choose the Finder 46.52.9.110.0000T 110 V DC 8 A Railway Industrial Relay?
The Finder 46.52.9.110.0000T is a miniature industrial electromechanical relay from the Finder Series 46, specifically designed for demanding railway and industrial control applications. Featuring a 110 V DC operating coil and two 8 A changeover contacts, this compact relay provides dependable switching for control panels, signalling systems, rolling stock equipment and automated machinery.
Its double-pole double-throw (DPDT) contact arrangement enables two independent circuits to be switched simultaneously using a single control signal. Each changeover contact provides normally open and normally closed connections, making the relay suitable for auxiliary control, electrical interlocking, status monitoring and equipment operation.
The 46.52T railway-oriented design combines an extended DC coil operating range with reinforced coil-to-contact insulation and robust plug-in construction. Its silver-nickel (AgNi) contacts, compact dimensions and compatibility with suitable Finder relay sockets make it a practical solution for engineers requiring reliable switching in transport infrastructure and industrial automation systems.
Key Advantages
- 110 V DC operating coil suitable for compatible railway and industrial control supplies.
- Two 8 A changeover contacts enable simultaneous switching of two separate circuits.
- Railway-oriented T-series construction designed for demanding transport applications.
- Extended coil operating range accommodates supply voltage variations.
- Silver-nickel (AgNi) contacts provide dependable electrical switching performance.
- Reinforced coil-to-contact insulation supports separation between control and load circuits.
- 6 kV impulse withstand capability between coil and contacts.
- Compact 12.4 mm housing width helps conserve control panel space.
- Plug-in construction simplifies maintenance and relay replacement.
- Suitable for railway control equipment, industrial automation and auxiliary switching.
Key Features
- Finder Series 46 miniature industrial relay.
- Finder 46.52T railway application variant.
- 110 V DC nominal coil voltage.
- 77–137.5 V DC coil operating range.
- 2 CO / DPDT contact configuration.
- 8 A rated current per contact.
- 250 V AC rated contact voltage.
- 2,000 VA rated resistive switching capacity per contact.
- Silver-nickel (AgNi) contact material.
- 23.5 kΩ nominal coil resistance.
- Approximately 4.7 mA nominal coil current.
- Approximately 0.52 W nominal coil power.
- Reinforced coil-to-contact insulation with 8 mm separation.
- 6 kV coil-to-contact impulse withstand voltage.
- Monostable, non-latching operation.
- Plug-in terminals for compatible relay sockets.
- Compact miniature industrial housing.
- Designed for railway and industrial control applications.
Reliable DC Control and Dual-Circuit Switching for Railway Applications
The Finder 46.52.9.110.0000T operates using a DC electromagnetic coil that simultaneously controls two changeover contact sets. When the coil receives a suitable DC supply, its internal armature transfers the common terminals from their normally closed connections to their normally open connections. Removing the coil supply allows the contacts to return to their normal positions.
The relay's extended 77–137.5 V DC operating range is particularly valuable in railway electrical systems where supply voltage can vary during normal operation. The T-series construction is designed for railway environments, with the 46.52T family addressing relevant requirements for temperature and humidity, mechanical shock and vibration, and fire behaviour. These characteristics make the relay suitable for consideration in rolling stock and railway infrastructure control systems.
With two 8 A changeover contacts, the relay can perform related switching functions using one control signal, such as controlling an auxiliary circuit while updating a signalling or interlocking circuit. Reinforced coil-to-contact insulation provides electrical separation between the operating supply and switched circuits. Appropriate socket selection, circuit protection and load assessment remain essential, particularly when switching inductive loads or equipment with high inrush currents.
Typical Applications
- Railway rolling stock electrical control systems.
- Train door control and auxiliary equipment.
- Railway signalling and control desk circuits.
- Pantograph control and monitoring equipment.
- Railway heating, ventilation and air conditioning controls.
- Industrial automation and machinery control.
- Electrical interlocking and auxiliary switching.
- Control panel relay interfaces.
- Equipment status monitoring and signalling.
- Transport infrastructure electrical systems.
- OEM electrical equipment and machinery manufacturing.
- Maintenance and replacement of compatible railway relays.
