BQJ59 series explosion-proof star delta starter box (II B)}Detailed product description：

Scope of application of BQJ59 series explosion-proof star delta starter box (IIB)

Zone 1 and Zone 2 hazardous areas
IIA IIB explosive gas environment
Temperature group; T1-T4,

BQJ59 series explosion-proof star delta starter box (IIB) model meaning


Product Features
This product is suitable for infrequent starting and stopping of -55KW three-phase asynchronous motors
Aluminum alloy or steel plate welded shell, surface sprayed with plastic
Built in circuit breaker, AC contactor, time relay, thermal relay, current transformer, voltmeter, ammeter, transfer switch, indicator light
Delay automatic control time relay adjustable within 0-60 seconds
Suitable for uninterrupted long-term work system or repeated short-term work system, the operating frequency under repeated short-term work system is 30 times/hour, and the interval between two consecutive starts is not less than 90 seconds
Equipped with functions such as overload, short circuit, and phase failure protection
Customized according to user requirements
Both steel pipes and cables can be used for wiring
Below 55KW (including 55KW) is an aluminum alloy shell, and above 55KW is a steel plate welded shell

Main technical data of BQJ59 series explosion-proof star delta starter box (IIB)

model Type	Control motor power (KW) Power of controlled motor	Rated current of the circuit (A) Rated current	Rated current setting of thermal relay (A) Set rated current of thermal relay	Time relay setting value Setting of time relay
BQJ59-13Y BQJ59-17Y BQJ59-22Y BQJ59-30Y BQJ59-40Y BQJ59-55Y BQJ59-75Y BQJ59-95Y	thirteen seventeen twenty-two thirty forty fifty-five seventy-five ninety-five	twenty-six thirty-three forty-two point five fifty-eight seventy-seven one hundred and five one hundred and fifty one hundred and ninety	1.05ln	eleven thirteen fifteen seventeen twenty twenty-four thirty thirty-five

Explosion-proof marking Es-mark	Protection Rating Protection class	corrosion resistance grade Corrosion-proofing grade	Inlet thread (G ″) lnlet’ s thread	Inlet thread (G ″) lnlet’ s thread	Cable outer diameter (diameter, mm) Cable’s outerdiameter
Exd ll BT4	IP54	WF1	1 1／2～3	1 1／2～3	17~45