Original Bosch 0332019151 5 Pin SPDT Mini Changeover Relay 12V DC 30A NO 15A NC ISO Automotive Relay

Specifications

• Brand: Genuine Bosch Original
• Part No.: 0332019151
• Cross Mercedes OE: A0025420917
• Cross Smart OE: 0005420917
• Coil Voltage: 12V DC
• Coil Resistance: 16Ω standard range
• Contact Type: SPDT Single Pole Double Throw (5 Pin ISO Mini)
• Rated Current: 30A Normally Open / 15A Normally Closed Medium Resistive Dual 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 grey flame retardant mini plastic, no mounting ear
• Warranty: 6 Months Genuine Bosch Factory Warranty

Core Electrical & Mechanical Specifications

1. Nominal Coil Voltage: DC 12V
2. Continuous Contact Load: 30A @12V DC NO, 15A @12V DC NC resistive medium dual 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 5-Pin Definition: 30 Common, 87 Normally Open, 87a Normally Closed, 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. OEM matching medium-load 5pin SPDT grey mini relay spare part for Mercedes/Smart passenger cars and small 12V diesel gensets, dual medium-load switching control for fan, fuel pump, light and auxiliary heater circuits
2. Direct replacement for failed original 0332019151 OEM relay: dual-circuit auxiliary electrical equipment switching failure, intermittent power loss and overheat malfunction
3. Universal core stock for Mercedes/Smart special repair shops and small generator rental companies for daily 12V light vehicle & small genset dual-circuit overhaul
4. Safety control system upgrade retrofit for 12V mini gensets and compact passenger vehicles, upgrade stable 30A/15A dual-path SPDT switching protection function for standard 5pin mini relay installation slots

Common Equipment Failures Solved

• Cheap generic 20A 5pin relays have thin contacts, severe melting ablation under 30A medium dual load, leading to fan stall, fuel pump shutdown and vehicle overheat warning malfunction
• Inferior thin plastic mini housing cracks under long-term vehicle vibration, internal coil breakage causing total loss of dual-circuit switching control function
• Mismatched 24V relays burn coil instantly after installation, unable to operate normally
• Original Bosch 0332019151 grey 5pin SPDT mini relay damaged, direct plug-and-play replacement without harness modification
• Compact 12V car/small genset requires standard 5pin SPDT changeover relay for dual-circuit switching; 4pin single normally open relays cannot realize automatic switching between two circuits

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