803604498 relay for XCMG ZL50G/ZL50GL Wheel Loader

product parameters

Product Name: Relay
Part No.: 803604498
Applicable Model: XCMG ZL50G, ZL50GL Wheel Loader
Type: Electromagnetic switching relay
Installation Position: Electrical control box or relay socket
Function: Small current controls high-current circuit on/off, signal amplification and circuit isolation
Working Voltage: 24V
Wiring Method: Pin/socket connection
Mounting Method: Plug-in installation or bolted fastening
Protection Capability: Certain dust and splash resistance
Working Condition: Quarry mining, aggregate yard, heavy earthwork and construction projects

Applicable Scenarios

Widely used in quarry, aggregate yard, and earthwork construction sites with obvious vibration and heavy dust. It is a basic switching accessory for ensuring normal machine electrical functions and reliable circuit control.

Direct electromagnetic switching function for electrical circuit control
The relay uses small current to control high-current circuits with direct response, helping achieve reliable on/off control of lighting, starting, and other electrical functions.

Manufactured to OEM electrical parameters for control system match
Relay electrical parameters are designed for the ZL50G/ZL50GL electrical system; it works when inserted into the corresponding relay socket, reducing control abnormalities from parameter mismatch.

Pin interface matches original relay socket for easy replacement
Pin specifications and arrangement follow the original relay socket design, requiring no circuit or socket modification during replacement and shortening on-site repair time.

Can be stocked with other relays, fuses, and related accessories
Can be stocked together with other relays, fuses, wiring connectors, and related electrical accessories for the same model, facilitating complete procurement during electrical system maintenance.

FAQ 

Q：When does a relay need replacement?
A: Replace when the relay fails to engage causing corresponding electrical function failure, contacts stick causing continuous function, the coil burns out (abnormal resistance or open circuit), pins corrode, or the housing is damaged.

Q：Is electrical function failure always caused by the relay?
A: Not necessarily. Check corresponding fuses, control switches, wiring connectors, and the load itself first. Inspect the relay for engagement or contact continuity after confirming peripheral circuits and components are normal.

Q：What to note during relay installation?
A: Confirm the relay working voltage and pin arrangement match the original relay socket. Align pins carefully during insertion to avoid bending. Test corresponding electrical functions after installation.

Q：How to maintain the relay daily?
A: Regularly check relay pins for corrosion and looseness. Observe whether corresponding electrical functions operate normally. Check relay appearance and contact condition during electrical system maintenance, and address abnormalities promptly.