Original Bosch 0986AHO811 24VDC DC24V 24V Relay 5PIN Mini Relay 1PCS

• Brand: Genuine Bosch Original
• Part No.: 0986AH0811 (Alternative: 0332209211 / MR0811)
• Cross MAN OE: 81259020474
• Cross Mercedes OE: A0005458405
• Cross Iveco OE: 4718222
• Cross DAF OE: 1403871
• Coil Voltage: 24V DC
• Coil Resistance: 72Ω standard range
• Contact Type: SPDT Single Pole Double Throw (5 Pin ISO Mini)
• Rated Current: 20A Normally Open / 10A Normally Closed Light Resistive Dual Load
• Built-in Component: Internal freewheeling protection diode
• 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 24V
2. Continuous Contact Load: 20A @24V DC NO, 10A @24V DC NC resistive light dual load
3. Coil DC Resistance: 72Ω
4. Mechanical Service Life: ≥10,000,000 operations
5. Electrical Service Life: ≥300,000 cycles under full 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 heavy commercial vehicle industrial standard
9. Terminal Pin Protection: IP20

Wide Application Range

1. OEM matching light-load 5pin SPDT mini relay spare part for European heavy trucks and small 24V diesel gensets, dual-circuit switching control for auxiliary lights, small fans and signal alarm circuits
2. Direct replacement for failed original 0986AH0811 / 0332209211 OEM relay: signal equipment switching failure, intermittent power loss and ECU surge damage
3. Universal core stock for European heavy truck special repair shops and 24V generator rental companies for daily 24V heavy vehicle & 24V genset small circuit overhaul
4. Safety control system upgrade retrofit for 24V mini gensets and heavy commercial vehicles, upgrade stable 20A/10A dual-path SPDT switching protection function with built-in anti-surge diode for standard 5pin mini relay installation slots

Common Equipment Failures Solved

• Cheap generic unprotected relays lack surge diodes, inductive reverse voltage easily burns vehicle ECU and generator control panels
• Thin contacts of low-cost relays burn and melt under 20A load, leading to small fan stall, indicator light failure and signal interruption
• Inferior thin plastic mini housing cracks under long-term vehicle vibration, internal coil breakage causing total loss of dual-circuit switching control function
• Mismatched 12V relays burn coil instantly after installation, unable to operate normally
• Original Bosch 0986AH0811 black 5pin SPDT mini relay damaged, direct plug-and-play replacement without harness modification
• Heavy 24V truck/genset requires standard 5pin SPDT changeover relay with protective diode for dual signal circuit switching; 4pin single normally open relays cannot realize two-way circuit switching