Description

Overview

Hella 4503 Off-(On) Starter Switch is a momentary push button designed for reliable engine cranking in harsh environments. The rubber-capped actuator helps shed water and grime, while the compact body suits tight electrical panels. With spring return action, the circuit engages only while pressed, protecting starters and wiring.

Features

• Off-(On) momentary action with spring return for controlled starting
• Water-resistant rubber cap for improved durability
• Compact body and locknut for straightforward panel mounting
• Trusted Hella quality for commercial and trailer applications

Specifications and Materials

Function: Off-(On) momentary. Mounting: 22.5mm panel opening. Terminals: 2. Max load: 16A at 12V, 8A at 24V. Construction: metal body with rubber cap. For full technical details, see the manufacturer product page.

Compatibility and Fitment

Suits starter trigger circuits and other momentary control inputs on 12V or 24V systems. Ensure panel cut-out is 22.5mm and confirm wiring route and starter relay capacity before installation. The Hella 4503 Off-(On) Starter Switch should be mounted where the operator has clear access but away from foot traffic.

Compliance and Safety

Use appropriate cable size for current draw and circuit length. Protect the circuit with a correctly rated fuse. Disconnect the battery before installation and verify the starter interlock conditions required by your equipment or vehicle.

Trailer Applications

Commonly fitted to plant trailers, service bodies, workshop trolleys, and jump-start rigs where a robust momentary starter control is needed. The Hella 4503 Off-(On) Starter Switch is also suitable for auxiliary cranking or engine test bays during maintenance.

Why Choose ICS Trailers

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