Original Bosch 0332014167 4 Pin Normally Open Mini Relay 12V DC 30A Single Circuit ISO Automotive Relay

• Brand: Genuine Bosch Original
• Part No.: 0332014167
• Coil Voltage: 12V DC
• Coil Resistance: 16Ω standard range
• Contact Type: Single Pole Single Throw Normally Open (4 Pin ISO Mini)
• Rated Current: 30A Normally Open Medium Resistive Load
• Built-in Component: No freewheeling diode / surge resistor
• Extra Feature: Without fixed mounting tab
• Protection Grade: IP54 fully sealed anti-oil, dust & splash water
• Working Temperature: -40℃ ~ +85℃
• Housing: Compact standard black flame retardant mini plastic, no mounting ear
• Warranty: 12 Months Genuine Bosch Factory Warranty

Core Electrical & Mechanical Specifications

1. Nominal Coil Voltage: DC 12V
2. Continuous Contact Load: 30A @12V DC Normally Open resistive medium load
3. Coil DC Resistance: 16Ω
4. Mechanical Service Life: ≥10,000,000 operations
5. Electrical Service Life: ≥250,000 cycles under full 30A rated resistive load
6. Standard ISO 4-Pin Definition: 30 Common Input, 87 Normally Open Output, 85 Coil Negative, 86 Coil Positive
7. Housing Dimension: 28.5(L) × 28.5(W) × 26(H) mm standard compact mini size, no mounting tab
8. Vibration Resistance: 10–500Hz passenger vehicle industrial standard
9. Terminal Pin Protection: IP20

Wide Application Range

1. Universal OEM replacement 4pin NO mini relay for European passenger cars and small 12V diesel gensets, single medium-load control for cooling fans, fuel pumps and lighting circuits
2. Direct replacement for failed original 0332014167 relay: auxiliary equipment cannot activate, intermittent power supply and overheating faults
3. Standard spare stock for European car repair workshops and generator service providers for daily 12V vehicle and genset circuit maintenance
4. Electrical system upgrade solution for custom 12V equipment, providing stable 30A single-circuit switching protection

Common Equipment Failures Solved

• Cheap generic 20A 4pin relays have thin contacts, easy melting under 30A load, causing fan stall and fuel pump failure
• Inferior plastic housing cracks under long-term vibration, internal coil breakage leading to open circuit
• Mismatched 24V relays instantly burn coil once powered on
• Original Bosch 0332014167 4pin relay damaged, direct replacement without circuit modification
• Single-circuit 12V vehicle and generator applications require 4pin NO relay; 5pin SPDT relays cannot match single-circuit wiring layout