Original Bosch 0332019150 12V 30A 5-Pin Normal Open Mini Relay Changeover Relay V23234-A0004-Y040

Full Model Marking

• Brand: Genuine Bosch Original
• Part No.: 0332019150
• Cross Siemens Part: V23234-A0004-Y040
• Coil Voltage: 12V DC
• Contact Type: SPDT Single Pole Double Throw (5 Pin)
• Rated Current: NO 30A / NC 15A (Upgraded High Current Version)
• Coil Resistance: Approx. 70Ω
• Protection Grade: IP54 fully sealed anti-oil, dust & splash water
• Working Temperature: -40℃ ~ +85℃

Core Electrical & Mechanical Specifications

1. Coil Operating Voltage: 12V DC
2. Max Contact Load: 30A @ 12V DC Normally Open, 15A @ 12V DC Normally Closed
3. Coil Resistance: 68–72Ω standard range
4. Mechanical Service Life: ≥10,000,000 times
5. Electrical Service Life: ≥80,000 times under full 30A rated load
6. Pin Definition: 30 Common, 87 NO, 87a NC, 85 Coil Negative, 86 Coil Positive
7. Housing Material: High temperature resistant flame retardant thick plastic
8. Vibration Resistance: 10–500Hz heavy commercial vehicle industrial standard
9. Max Installation Ambient Temp: -40℃ ~ +85℃

Wide Application Range

1. OEM matching spare part for high-current 12V commercial vehicles and large diesel gensets, dual-circuit high-current switching control for large fan, preheating, heavy fuel cut-off and alarm circuits
2. Direct replacement for failed original 0332019150 / V23234-A0004-Y040 high-current relay: high-power electrical equipment no start, intermittent operation, control circuit disorder, protection function failure, contact melting under heavy load
3. Universal stock for auto repair shops, heavy machinery maintenance factories and large generator rental companies for daily high-power 12V equipment overhaul
4. Retrofit safety control system for 12V heavy generator units and construction vehicles to upgrade stable 30A dual-path high-current switching protection function

Common Equipment Failures Solved

• Cheap generic 20A relays have thin contacts, severe ablation under high current, easy contact melting, leading to large fan stop, preheating failure and generator overheat protection malfunction
• Inferior thin plastic housing cracks under long-term heavy vibration, internal coil breakage causing complete loss of high-current control function
• Mismatched 24V relays burn out coil immediately after installation, unable to work normally
• Original Bosch 0332019150 30A version damaged, direct plug-and-play replacement without harness modification
• Heavy 12V vehicle/large generator needs 30A high-current dual-circuit switching control, standard 4-pin single-circuit or 20A relays cannot meet heavy load control demand