120A electric motor protector, JDB-120 comprehensive protective device

Favorites Email to a friend Date: 18/7/2014

Offer and process customizing: Whether not
Brand: Bright and high
Type: JDB-120
Product certification: CCC

120A electric motor protector, JDB-120 comprehensive protective device

JDB-120 electric motor comprehensive protective device, JDB-120 protector producer, JDB-80, 120, 225 electric motor comprehensive protective devices, protector of the electrical machinery
Protector series JDB, the protector of the electric motor, JDB80 protector is sold in batches, the protector price
First, applicable scope and use:
This serial protectors are suitable for exchanging 50HZ, the voltage is: 380V/660V /or /, in power circuit, it is spend not to last electric motor 1140V, the electric current to 400A one. Suitable for making up the mining explosion suppression type vaccum electromagnetic starter with various vacuum contactors.
Second, products characteristic:
1,Protect with complete function, have over load, short out, interrupt, drain occlude etc. protect the function
2,Series ABD8 adopt the digital circuit, the characteristic is stable and reliable.
Type, specification JDB-80C JDB-80A JDB-120 JDB-225 ABD8-250ABD8-315ABD8-400
Nominal voltage (V) 380,660 660,1140
Specified current range (A) 5.5-80 5-80 3-120 55-220 40-25040-31540-400
Long-term non-action of 1.05 times of pick-up time of overload protection
1.2 times of 5-20min
1.5 times of 1-3min
6 times of 8-16s
Movement timeliness of short circuit protection (8-10 times) 0.2-0.4s
Occlude the value 380V of movements in drain: 7+20% k¦¸; 660V: 22+20% k¦¸; 1140V: 40+20% k¦¸
The remarks are separated and integrative type, there is over load, leak and try the function and bring various situation displays

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