Why Choose the Finder 65.61.9.048.4000 Power Relay?
The Finder 65.61.9.048.4000 is a high-performance 20 A electromagnetic power relay designed for reliable electrical switching in industrial automation, machinery control and commercial equipment. Featuring a 48 V DC operating coil and a 1 normally open + 1 normally closed (1 NO + 1 NC) contact configuration, this relay enables a low-voltage control circuit to operate complementary switching functions.
Part of the established Finder 65 Series power relay range, the 65.61.9.048.4000 combines robust electromagnetic operation with silver tin oxide (AgSnO₂) contact material and direct printed circuit board (PCB) mounting. Its bifurcated PCB terminals support secure soldered installation into electronic control assemblies, making it particularly suitable for OEM equipment and industrial power control boards.
With a 20 A rated contact current, 250 V AC rated contact voltage and 48 V DC coil, the Finder 65.61.9.048.4000 provides dependable switching for suitable electrical loads. Its complementary normally open and normally closed contacts are useful in applications where one circuit must be activated while another is deactivated.
Key Advantages
- 20 A rated contact current for suitable resistive electrical loads.
- 48 V DC operating coil for integration into compatible industrial DC control systems.
- 1 NO + 1 NC contact configuration providing two complementary switching functions.
- 250 V AC rated contact voltage for industrial and commercial electrical equipment.
- 5000 VA rated resistive switching capacity (AC1) for suitable high-power loads.
- Silver tin oxide (AgSnO₂) contacts for dependable electrical switching performance.
- Direct PCB mounting for integration into industrial electronic control assemblies.
- Bifurcated solder terminals for secure mechanical and electrical connection to a suitable PCB.
- 1.3 W nominal DC coil consumption for efficient electromagnetic operation.
- Monostable, non-latching operation returns both contacts to their normal states when the coil is de-energised.
- Galvanic separation between the control coil and switched contact circuits.
- Suitable for industrial automation, heating controls, machinery and OEM equipment.
Key Features
- Finder 65 Series electromagnetic power relay.
- Type 65.61 PCB-mounted configuration.
- 20 A rated contact current.
- 48 V DC nominal coil voltage.
- 1 normally open + 1 normally closed contact.
- 250 V AC rated contact voltage.
- 5000 VA rated resistive switching capacity (AC1).
- Silver tin oxide (AgSnO₂) contact material.
- 1.3 W nominal coil consumption.
- Approximately 1.8 kΩ nominal coil resistance.
- Approximately 27 mA nominal coil current.
- Direct PCB mounting with bifurcated solder terminals.
- Monostable electromagnetic operation.
- Normally open contact closes when the coil is energised.
- Normally closed contact opens when the coil is energised.
- Contacts return to their normal states when the coil supply is removed.
- Electrical isolation between the coil and switched circuits.
- Suitable for industrial electrical control and commercial equipment.
Technical Specifications
- Manufacturer: Finder
- Series: 65 Series Power Relays
- Manufacturer part number: 65.61.9.048.4000
- Relay type: 65.61
- Product type: Electromagnetic power relay
- Contact configuration: 1 NO + 1 NC (SPST-NO + SPST-NC)
- Number of contact functions: 2
- Rated contact current: 20 A
- Rated contact voltage: 250 V AC
- Rated resistive switching capacity (AC1): 5000 VA
- Nominal coil voltage: 48 V DC
- Coil type: DC electromagnetic coil
- Nominal coil consumption: 1.3 W
- Nominal coil resistance: Approximately 1.8 kΩ
- Nominal coil current: Approximately 27 mA
- Contact material: Silver tin oxide (AgSnO₂)
- Contact operating action: NO contact closes and NC contact opens when the coil is energised
- Relay operating mode: Monostable, non-latching
- Mounting type: Printed circuit board (PCB)
- Terminal type: Bifurcated PCB solder terminals
- Operating temperature range: −40 to +75 °C
- Approximate body dimensions: 36.5 × 32.2 × 47.3 mm
- Control and load circuits: Electrically isolated
- Application category: Industrial and commercial electrical switching
Reliable High-Current Switching with 48 V DC Control
The Finder 65.61.9.048.4000 enables a 48 V DC control circuit to operate complementary electrical switching functions. When the coil is energised, the normally open contact closes while the normally closed contact opens. Removing the coil voltage returns both contacts to their normal states, allowing predictable control of connected electrical circuits.
The relay's 1 NO + 1 NC contact configuration is particularly useful in industrial equipment requiring coordinated switching. For example, one contact may be used to energise a load while the other provides an alternative switching or signalling function. These are separate normally open and normally closed contacts rather than a single changeover contact, so the circuit design must reflect their actual terminal arrangement.
With its 20 A contact rating, AgSnO₂ contact material and PCB mounting design, the Finder 65.61.9.048.4000 provides a practical solution for industrial electronic control boards. Appropriate coil drive circuitry, suppression components, contact protection, electrical clearances and PCB conductor sizing should be selected for the intended application.
Typical Applications
- Industrial automation and electrical control systems.
- 48 V DC controlled electrical switching circuits.
- Printed circuit board assemblies requiring high-current power relays.
- Machinery requiring complementary normally open and normally closed switching.
- Industrial heating and temperature control equipment.
- Commercial ovens and catering equipment.
- Boiler, burner and heating control assemblies.
- Industrial washing machines and commercial appliances.
- HVAC and ventilation control systems.
- Electrical power management and distribution equipment.
- OEM electronic control boards and industrial machine building.
