535-0098 — A 24V DC High-Current Contactor / Emergency Starter Solenoid by Dumore (USA), primarily used for the emergency start control of diesel-driven fire pumps.

I. Core Parameters (Official Specifications)

Model: 535-0098 (Alias: 5N4806)

Type: Battery Contactor / Emergency Starter Solenoid

Voltage: 24V DC • Rated Current: 400A (Continuous / Carry); 800A (Interrupt / Peak) • Certifications: FM / UL (Fire Safety Certified)

Housing: Zinc-coated, corrosion-resistant

Replacement For: Metron Model 1804A Fire Pump Starter Solenoid

II. Function and Applications

Core Function: Acts as a high-current switch to instantly engage the starter circuit of a diesel fire pump engine during an emergency, ensuring rapid startup.

Typical Scenarios: Fire protection systems in industrial and commercial buildings, backup generator sets, emergency diesel pumps.

Compatible Models: Fire pump-specific engines such as the Cummins CFP23E-F50.