119802-77200 Safe Relay DC 12V 11980277200 for Yanmar Control Unit & for Hitachi ZX-3 Series Excavator R11EA Model

Product SpecificationsPart Numbers: 119802-77200, 11980277200Product Type: Safe relay / safety relay / control relayVoltage: 12V DC (nominal operating range: 10.5V - 14.5V)Relay Type: ISO micro relay or standard automotive relayTerminal Configuration: 4-pin or 5-pin (verify on your original)Coil Resistance: Approximately 70-120 ohmsContact Rating: 30-40 Amps typicalMounting: Plug-in socket (ISO standard)Compatible EquipmentFor Yanmar control units (engine management systems)For Hitachi ZX-3 series excavators (ZX120-3, ZX130-3, ZX160-3, ZX180-3, ZX200-3, ZX210-3, ZX240-3, ZX250-3, ZX270-3, ZX330-3, ZX350-3, ZX470-3)R11EA model control systemsNGK spark plug control units (for certain applications)Safe Relay FunctionSafety Circuit Control: The 119802-77200 relay controls power to safety monitoring circuits for Yanmar control unit or for Hitachi ZX-3 excavatorEngine Shutdown Signal: When safety conditions are violated, this relay opens to shut down the engine on your equipmentControl Unit Protection: The safety relay protects the engine ECU from electrical faults for Hitachi ZX-3System Isolation: Isolates critical control circuits from other electrical loads for Yanmar systemFail-Safe Operation: Relay is designed to fail open (safe state) if coil fails on your equipmentWhat's IncludedOne safe relay for Yanmar/Hitachi part number 119802-77200 (also 11980277200). 12V DC rating. ISO standard plug-in relay. No mounting hardware, wire harness, or socket is included. This is an replacement for the original safety relay for Yanmar control units and for Hitachi ZX-3 series excavators (R11EA models). Professional mechanic installation recommended.

• 🔋 Voltage Verification - 119802-77200 safe relay operates on 12V DC. Before ordering this 12V safety relay for Yanmar control unit or for Hitachi excavator, verify your equipment uses a 12V electrical system. The 119802-77200 relay requires 12V for proper coil operation.
• 📋 Part Number Verification - 119802-77200 safety relay replaces for Yanmar/Hitachi number 119802-77200 (also 11980277200). The 12V safe relay is original equipment for Yanmar control units and for Hitachi ZX-3 series excavators. Verify your old relay matches this number before ordering.
• 🚜 For Hitachi Excavator Compatibility - 119802-77200 relay fits for Hitachi ZX-3 series excavators with R11EA model control systems. The safety relay mounts in the control panel or fuse/relay box. Used in the engine control or safety monitoring circuit for Hitachi ZX-3 machine.
• ⚙️ For Yanmar Control Unit Application - 119802-77200 safe relay is used for Yanmar control units (engine management systems). The 12V relay is part of the safety monitoring circuit for Yanmar diesel engines.
• 🔧 Installation Note - Installing 119802-77200 12V safe relay requires basic electrical knowledge. Disconnect battery for Hitachi ZX-3 excavator before working. Locate the relay in the control panel or fuse box. Remove old 119802-77200 relay by pulling straight up. Push new safety relay into same socket until seated.