68.54.9.024.4300 Finder 4 NO Contacts 24V DC Power Relay

Why Choose the Finder 68.54.9.024.4300 Power Relay?

The Finder 68.54.9.024.4300 is a robust high-power PCB relay with four normally open contacts (4 NO), designed for switching heavy electrical loads in industrial equipment and power electronics systems. Equipped with a 24 V DC control coil, this relay allows reliable switching of multiple high-current circuits simultaneously, making it suitable for demanding applications including EV charging systems, industrial heating equipment, renewable energy installations and power management modules.

Part of the Finder Series 68 high-power relay range, the relay is engineered for printed circuit board installation and provides dependable switching performance in compact electronic designs. The relay uses durable AgSnO₂ (silver tin oxide) contacts, offering strong resistance to inrush currents and long electrical life when switching inductive or resistive loads.

With a switching capability of up to 40 A per pole and support for voltages up to 400 V AC, the 68.54 relay is widely used in power electronics and automation systems requiring compact high-current PCB switching components.

Key Features

• 4 NO contact configuration for switching multiple high-current circuits.
• Rated switching current up to 40 A per pole.
• 24 V DC coil voltage suitable for industrial control systems.
• PCB mounting design for integration into power electronics and control boards.
• AgSnO₂ contact material designed to handle high inrush currents.
• 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.
• Reinforced insulation between coil and contacts for improved electrical safety.

Technical Specifications

• Manufacturer: Finder
• Series: 68 Series high-power relays
• Model: 68.54.9.024.4300
• Product type: High-power PCB relay
• Contact configuration: 4 NO (4PST-NO)
• Rated contact current: 40 A per pole
• Maximum peak current: 300 A (1 ms)
• Rated switching voltage: 250 V AC
• Maximum switching voltage: 400 V AC
• Contact material: AgSnO₂ (silver tin oxide)
• Coil voltage: 24 V DC
• Rated coil power: approx. 2.9 W
• Holding power: approx. 0.7 W
• Operate time: approx. 25 ms
• Release time: approx. 3 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 stations.
• Industrial heating and high-power load control.
• Renewable energy and photovoltaic power systems.
• UPS and power management equipment.
• Industrial automation and electrical control systems.

Trusted by Power Electronics Engineers

Finder high-power relays are widely trusted by engineers and equipment manufacturers worldwide for dependable switching of high electrical loads in industrial automation and modern power electronics.