68.25.9.024.4300 Finder 4 NO Contacts and 1 NC Contacts 24V DC Power Relay

Why Choose the Finder 68.25.9.024.4300 Power Relay?

The Finder 68.25.9.024.4300 is a high-power PCB-mount relay designed for demanding electrical switching applications in modern power electronics. It features a versatile 4 normally open contacts and 1 normally closed contact (4 NO + 1 NC) configuration, enabling simultaneous switching of multiple power circuits while providing an auxiliary feedback contact for monitoring or safety functions.

Equipped with a 24 V DC coil, the relay can switch up to 40 A per pole and withstand peak currents up to 300 A for short durations. The relay uses durable AgSnO₂ contacts designed to resist welding and maintain stable switching under high-inrush loads. Part of the Finder Series 68 high-power relay range, this model is commonly used in EV charging stations, photovoltaic inverters, industrial heating systems and UPS equipment where reliable high-current PCB switching is required. :contentReference[oaicite:0]{index=0}

Key Features

• 4 NO + 1 NC contact configuration for power switching with auxiliary feedback contact.
• Rated current up to 40 A per pole for high-power applications.
• 24 V DC coil suitable for industrial control circuits.
• PCB mounting design for integration into power electronics and control boards.
• AgSnO₂ contact material providing strong resistance to high inrush currents.
• Maximum peak current up to 300 A (1 ms).
• Maximum switching voltage up to 400 V AC.
• Contact gap ≥ 4 mm ensuring safe electrical isolation.
• Flux-proof enclosure (RT II) suitable for automated PCB assembly.
• Reinforced insulation between coil and contacts for improved electrical safety.

Technical Specifications

• Manufacturer: Finder
• Series: 68 Series high-power relays
• Model: 68.25.9.024.4300
• Product type: High-power PCB relay
• Contact configuration: 4 NO + 1 NC
• Main contact rating: 40 A per pole
• Auxiliary NC contact rating: 3 A
• Rated switching voltage: 250 V AC
• Maximum switching voltage: 400 V AC
• Maximum peak current: 300 A (1 ms)
• Rated load AC1 / AC7a: approx. 10 000 VA per pole
• Contact material: AgSnO₂
• Coil voltage: 24 V DC
• Rated coil power: approx. 2.9 W
• Minimum holding power: approx. 0.7 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 (up to +85 °C in energy-saving mode)
• Contact gap: ≥ 4 mm

Typical Applications

• Electric vehicle charging stations.
• Photovoltaic inverters and renewable energy 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 dependable switching of high electrical loads in energy systems, industrial automation and power electronics.