68.55.9.024.4300 Finder 4 NO Contacts and 1 NC Contacts 24V DC Power Relay with Green LED + diode Indication

Why Choose the Finder 68.55.9.024.4300 Power Relay?

The Finder 68.55.9.024.4300 is a high-power PCB-mount relay with four normally open contacts and one normally closed contact (4 NO + 1 NC), designed for switching heavy electrical loads in industrial equipment and power electronics systems. This model operates with a 24 V DC coil and includes an integrated green LED indicator with protection diode, allowing clear visual status indication and protecting the control circuit from reverse polarity and voltage spikes.

Part of the Finder Series 68 high-power relay family, the relay is engineered for demanding applications where reliable switching of high-current circuits is required. The relay uses AgSnO₂ contact material, providing excellent resistance to inrush currents and ensuring dependable operation in power electronics, EV charging equipment, renewable energy systems and industrial automation equipment.

With switching capability up to 40 A per pole and a durable PCB mounting design, the 68.55 relay offers compact high-power switching for modern control boards and industrial electronics assemblies.

Key Features

• 4 NO + 1 NC contact configuration for multi-circuit switching and auxiliary signalling.
• Rated switching current up to 40 A per pole.
• 24 V DC coil with integrated green LED indicator.
• Built-in diode protection for reverse polarity and voltage spike suppression.
• PCB mounting design for integration into power electronics and control boards.
• AgSnO₂ contact material designed to handle high inrush current loads.
• Peak current capability up to 300 A (1 ms).
• Maximum switching voltage up to 400 V AC.
• Contact gap ≥ 4 mm ensuring strong electrical isolation.
• Flux-proof enclosure (RT II) suitable for automated PCB assembly.

Technical Specifications

• Manufacturer: Finder
• Series: 68 Series high-power relays
• Model: 68.55.9.024.4300
• Product type: High-power PCB relay
• Contact configuration: 4 NO + 1 NC
• Main contact rating: 40 A per pole
• Auxiliary NC contact rating: approx. 3 A
• Rated switching voltage: 250 V AC
• Maximum switching voltage: 400 V AC
• Maximum peak current: 300 A (1 ms)
• Contact material: AgSnO₂ (silver tin oxide)
• Coil voltage: 24 V DC
• Indicator: Green LED
• Coil protection: Integrated diode
• Rated coil power: approx. 2.9 W
• Operate / release time: approx. 25 ms / 6 ms
• Mechanical life: 1 × 10⁶ operations
• Electrical life: approx. 30 × 10³ operations at rated load
• Mounting: Printed circuit board (PCB)
• Protection category: RT II (flux-proof)
• Operating temperature: −40 °C to +70 °C

Typical Applications

• Electric vehicle charging equipment.
• Renewable energy and photovoltaic power systems.
• UPS and battery charging equipment.
• Industrial heating and high-power load control.
• Industrial automation and power electronics modules.

Trusted by Power Electronics Engineers

Finder Series 68 relays are widely used by engineers and equipment manufacturers for reliable switching of high electrical loads in power electronics, industrial automation and energy systems.