Air Conditioning Relay 21E4-0011
Reliable Electrical Switching for Cabin Climate Control
The Hyundai 21E4-0011 is a critical electrical relay designed to manage the power supply to the air conditioning compressor and blower system in your excavator. By acting as a switch for high-current loads, this relay prevents damage to your machine's primary AC controls, ensuring reliable climate control performance and cabin comfort during long shifts in demanding work environments.
1. Technical Specifications
| Parameter | Detail |
|---|---|
| Part Number | 21E4-0011 |
| Component Type | Air Conditioning Relay |
| Primary Function | Electrical switching for the AC compressor and climate control system |
| Compatibility | Extensive application across Hyundai 5, 7, and 9-series excavator models |
2. Machine Compatibility
Engineered for reliable service in mid-to-large tonnage machinery:
Hyundai Models: R200-5, R215-7C, R220LC-5, R225-7, R225LC-7, R225LC-9, R245-7, R265LC-7, R300LC-5, R305LC-7, R335LC-7, R375LC-7, R375LC-7H, R455LC-7, R455LC-7SP, R505LC-7, and related configurations.
System Synergy: Essential for maintaining cabin environment, which is vital for operator safety and productivity.
3. Maintenance & Installation Protocols
Service Interval: Replace as needed upon failure or when electrical diagnostics confirm faulty switching performance.
Diagnostic Indicators: Replace if the AC system fails to engage, the compressor cycle is intermittent, or if there is visible scorching/corrosion on the relay terminals.
Installation Tip: Ensure the electrical contacts are free of corrosion before plugging in the new relay. Check your machine's fuse box configuration to ensure proper orientation and seating.
4. Technical Support & Logistics
Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
WhatsApp: +86 13701956981
Email: [email protected]
Technical Note: The 21E4-0011 relay is a versatile electrical component across the Hyundai range.