Guangzhou Weihong Machinery Equipment Co., Ltd. |
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243 - 77507000 Excavator Control Panel Relay Control Box HD820 - 1
Excavator Spare Parts
Specifiions
Part Name | Excavator Relay Controller Box |
Part Number | 243 - 77507000 |
Model Number | HD820 - 1 |
Color | |
Quality | 100% tested |
Condition | 100% New |
Warranty | 6 month |
Packing | Neutral packing |
Availability | Have the spot |
After-sales Service Provided | Provided |
Description
A relay is an electrically operated switch. It consists of a set of
input terminals for a single or multiple control signals, and a set
of operating contact terminals. The switch may have any number of
contacts in multiple contact forms, such as make contacts, break
contacts, or combinations thereof.
The traditional form of a relay uses an electromagnet to close or
open the contacts, but other operating principles have been
invented, such as in solid-state relays which use semiconductor
properties for control without relying on moving parts. Relays with
calibrated operating characteristics and sometimes multiple
operating coils are used to protect electrical circuits from
overload or faults; in modern electric power systems these
functions are performed by digital instruments still called
protective relays.
Characteristic
1. Reliable
2. Security
3. Durable
4.100% original
5. The circuit is stable
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