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Use scope
This series of cable connectors for coal mine and other surrounding medium containing a mixture of coal dust explosion of methane gas environment, in exchange 50HZ, voltage to 3.3KV. Current of 500A of the power system, as a cable with the Flameproof type of equipment to connect devices or cables to connect the coupling between terminal devices, widely used in imported equipment and domestic electrical switches and electrical equipment shift change.
 
Standard
GB3836.1-2000 explosive gas atmospheres Electrical Equipment Part 1: General Requirements
GB3836.2-2000 explosive gas atmospheres Electrical Equipment Part 2: Flameproof "d"
MT / T 947-2005 Mine Flameproof high voltage cable connector
 
Features
Connector shell with corrosion, wear resistance, and impact and do not have a shell hit sparks and so on.
Insulation pieces of the connector with insulation high-performance, heat-resistant and flame retardant super-loading Capacity strong performance characteristics.
Connector to connect with flexible, convenient, reliable and so on.
 
Technical parameters
Rated voltage 3.3kV
Rated Current 500A
Rated current short-term tolerance of (2S) 6.3KA
Rated peak current tolerance (2S) 16KA
RMS voltage-frequency 18KV
Lightning Impulse Withstand Voltage value 20KV
Loop resistance ≤ 500μΩ
With 50m cable specifications ㎡-185m ㎡

 

No	Item	Specification
1	Rated voltage	3.3kV
2	Rated current	500A
3	Rated current short-term tolerance(2S)	6.3kA
4	Rated peak current tolerance(2S)	16kA
5	RMS voltage-frequency	18kV
6	Lightning impulse withstand voltage value	20kV
7	Loop resistance	≤500μΩ
8	With 50m cable specifications	185mm2