Hella 008458037 Battery Main Disconnect Switch 250A IP65 Turn Knob 12V/24V

Vehicle Fitment

Universal fitment -- heavy-duty battery disconnect switch for automotive, commercial vehicle, agricultural/construction equipment, marine, and motorsport applications

Fitment Notes

• Single-circuit normally open contact design -- turn knob closes circuit to connect battery power
• M10 bolted stud terminals (max 20 Nm torque) with 2 connection posts
• IP65 rated -- fully sealed against dust ingress and water jets for underhood and exposed mounting
• OE cross-reference: John Deere RE323399, HAMM 2752019, Scania SP1068094
• Hella full P/N: 6EK 008 458-037

Features

• IP65 dust-tight and water-jet-proof enclosure for harsh environments
• Turn knob activation for quick battery isolation
• Rated 250A continuous at 12V and 24V systems
• 800A surge capacity for 30 seconds at 24V
• 2,500A peak capacity for 5 seconds at 24V
• Normally open contact prevents parasitic battery drain when switched off
• Provides theft deterrent and fire safety isolation in case of accident

Specifications

• Hella P/N: 6EK 008 458-037
• Type: Battery main switch / disconnect
• Activation: Turn knob control
• Voltage: 12V / 24V
• Continuous Current: 250A
• Surge Capacity: 800A / 30 sec (24V)
• Peak Capacity: 2,500A / 5 sec (24V)
• Switch Function: Normally open contact
• Connectors: 2
• Mounting: Bolted (M10, max 20 Nm)
• Protection Rating: IP65
• Weight: 0.589 kg (1.30 lbs)
• Country of Origin: Italy

Included Components

• 1x Hella battery main switch assembly

Product Description

The Hella 008458037 (6EK 008 458-037) is an IP65-rated battery main disconnect switch with turn knob activation for 12V and 24V electrical systems. Rated at 250A continuous with 2,500A peak surge capacity, this heavy-duty switch provides reliable battery isolation for commercial vehicles, agricultural and construction equipment, marine vessels, and motorsport applications. The IP65 sealed housing protects against dust ingress and water jets, making it suitable for underhood, engine bay, and exposed mounting locations. M10 bolted stud terminals ensure secure high-current connections.