Why Choose the Finder 46.52.9.110.5000T 110 V DC 8 A Gold-Plated Railway Relay?
The Finder 46.52.9.110.5000T is a compact miniature industrial electromechanical relay from the Finder Series 46 range, designed for railway equipment, industrial automation and electrical control applications. Featuring a 110 V DC operating coil and two 8 A changeover contacts, this plug-in relay provides flexible switching for auxiliary circuits, signalling equipment and control systems.
A distinguishing feature of this model is its silver-nickel contacts with gold plating (AgNi + Au). The gold-plated contact construction provides improved contact performance in suitable low-level switching applications while retaining the characteristics of the underlying silver-nickel contact system. This makes the relay particularly useful where contact reliability and electrical signal integrity are important.
The 46.52T railway-oriented design offers an extended DC coil operating range and compact plug-in construction. With a nominal coil resistance of 23.5 kΩ, two independent changeover contact sets and compatibility with appropriately selected relay sockets, the Finder 46.52.9.110.5000T provides a practical solution for railway control equipment, electrical interlocking and industrial control panel installations.
Key Advantages
- 110 V DC nominal coil suitable for compatible railway and industrial control supplies.
- Two 8 A changeover contacts provide flexible switching of two separate electrical circuits.
- Gold-plated silver-nickel contacts (AgNi + Au) support dependable switching in suitable low-level signal applications.
- Railway-oriented T-series construction addresses the requirements of demanding transport control environments.
- Extended DC coil operating range accommodates voltage variations in compatible control systems.
- 2,000 VA rated resistive switching capacity per contact for appropriately rated AC loads.
- 23.5 kΩ nominal coil resistance provides low coil current at the rated DC voltage.
- Compact housing helps conserve space in electrical control panels.
- Plug-in construction supports convenient installation, maintenance and replacement.
- DPDT contact arrangement enables auxiliary switching, electrical interlocking and signalling functions.
Key Features
- Finder Series 46 miniature industrial relay.
- Finder Type 46.52T railway-oriented variant.
- 110 V DC nominal coil voltage.
- Two changeover contacts (2 CO / DPDT).
- 8 A rated contact current.
- 250 V AC rated contact voltage.
- 2,000 VA rated resistive switching capacity (AC1).
- Silver-nickel contacts with gold plating (AgNi + Au).
- 23.5 kΩ nominal coil resistance.
- Approximately 4.7 mA nominal coil current.
- Approximately 0.5 W nominal coil consumption.
- DC electromagnetic coil operation.
- Monostable, non-latching switching mechanism.
- Two independent changeover contact sets operated by one coil.
- Plug-in terminals for compatible industrial relay sockets.
- Compact housing measuring approximately 29 × 12.4 × 32.8 mm.
- Suitable for railway control systems, automation and electrical signalling applications.
Reliable Gold-Plated Contact Switching for Railway and Industrial Control
The Finder 46.52.9.110.5000T operates through a DC electromagnetic coil that controls two mechanically linked changeover contacts. When the 110 V DC coil is energised, both common contacts transfer from their normally closed terminals to their normally open terminals. When the coil is de-energised, the contacts return to their normal positions, allowing the relay to perform repeatable switching operations.
The relay's AgNi + Au contact construction is an important distinction from standard silver-nickel contact versions. Gold plating helps maintain suitable contact characteristics in low-level switching circuits where surface oxidation and contact resistance can affect signal reliability. When used for higher-current switching, contact performance must be assessed against the applicable electrical ratings and the effects of contact wear.
The Finder 46.52T railway-oriented family is designed for electrical control applications where supply variation, mechanical operating conditions and reliable switching are important. Its plug-in construction facilitates maintenance, while the two changeover contacts provide flexibility for interlocking, monitoring and auxiliary control. Engineers should verify the complete installation against applicable railway standards, load characteristics, socket compatibility and protective circuit requirements.
Typical Applications
- Railway rolling stock electrical control systems.
- Train door control and auxiliary equipment.
- Railway signalling and control panel interfaces.
- Pantograph control and monitoring circuits.
- Low-level signal switching using gold-plated contacts.
- Electrical interlocking and auxiliary control logic.
- Industrial automation and machinery control.
- Equipment status monitoring and alarm circuits.
- Railway heating, ventilation and air conditioning controls.
- Transport infrastructure electrical equipment.
- OEM railway and industrial equipment manufacturing.
- Replacement of compatible gold-plated industrial relays.
