Original Bosch 0332002156 Heavy Duty Power Relay 12V DC 75A SPST Normally Open 4 Terminal

Specifications

• Brand: Genuine Bosch Original
• Part No.: 0332002156
• Cross Part: V23232-A0001-Y003
• Coil Voltage: 12V DC
• Coil Resistance: 46Ω
• Contact Type: SPST Normally Open
• Rated Load: 75A Normally Open Resistive Load
• Built-in Component: Internal freewheeling protection diode
• Mount: Integrated plastic mounting bracket
• Protection Grade: IP54 sealed housing
• Working Temperature: -40℃ ~ +100℃
• Housing: Black reinforced flame retardant plastic
• Warranty: 6 Months Genuine Bosch Factory Warranty

Core Electrical & Mechanical Specifications

1. Nominal Coil Voltage: DC 12V
2. Continuous Contact Load: 75A @12V DC Normally Open
3. Coil Resistance: 46Ω
4. Mechanical Life: ≥10,000,000 operations
5. Electrical Life: ≥50,000 cycles at rated load
6. Terminal Definition: 30, 87 (screw power terminals); 85, 86 (coil pins)
7. Vibration Standard: Heavy commercial vehicle grade
8. Terminal Protection: IP00; Housing protection: IP54

Wide Application Range

1. OEM replacement heavy-duty power relay for 12V commercial vehicles, construction machinery and 12V diesel generators, high-current main circuit control
2. Direct plug-and-play replacement for failed original 0332002156 / V23232-A0001-Y003 relays
3. Preferred spare part for heavy truck workshops, machinery rental companies and generator service stores
4. Upgrade solution for custom 12V heavy-current electrical systems with anti-surge built-in diode

Common Equipment Failures Solved

• Cheap generic relays without diode cause surge burnout of controller PCB
• Thin contacts of low-cost relays melt and stick under heavy load, leading to fan / fuel pump permanent ON fault
• Inferior housing cracks under long-term machinery vibration, resulting in open circuit
• Mismatched 24V relays instantly burn coil once powered on
• Original Bosch 0332002156 power relay damaged, direct replacement without circuit modification

Please Make Sure Your Vehicle Matches This Number. If You are Unsure, Please Ask Customer Service !