BQX series star delta starterDetailed product description：

Scope of Application
Hazardous areas with explosive gas mixtures: Zone 1, Zone 2
Explosive gas mixture: IIA, IIB



Product Features:
Suitable for infrequent starting and stopping of three-phase asynchronous motors;
Aluminum alloy or steel plate welded shell, surface sprayed with plastic;
Equipped with AC contactors, thermal relays, time relays, current transformers, voltmeters, ammeters, transfer switches, and indicator lights.
Delay automatic control time relay (adjustable within 0-60 seconds);
Suitable for uninterrupted long-term work system or repeated short-term work system, with a frequency of 30 operations per hour under repeated short-term work system, and a minimum interval of 90 seconds between two consecutive starts;
Equipped with overload and phase loss protection functions;
Customized according to user requirements;
Both steel pipes and cables can be used for wiring;
Aluminum alloy shell below 45KW, steel plate welded shell above 45KW (including 45KW);
Meets the requirements of GB3836-2000 and IEC60079 standards.

Main technical parameters

Product Model	Control motor power (KW)	Rated current (A)	Rated current setting of thermal relay (A)	Practice relay setting value (S)
BQX-3	thirteen	twenty-six	1.051n	eleven
BQX-17	seventeen	thirty-three		thirteen
BQX-22	twenty-two	forty-two point five		fifteen
BQX-30	thirty	fifty-eight		seventeen
BQX-37	thirty-seven	seventy-two		seventeen
BQX-45	four	ninety		twenty
BQX-55	fifty-five	one hundred and five		twenty-four
BQX-75	seventy-five	one hundred and fifty		thirty
BQX-95	ninety-five	one hundred and ninety		thirty-five

Protection Rating	Explosion-proof marking	corrosion resistance grade	Imported thread (G ")	Export thread (G ")	Cable outer diameter (Φ mm)
IP54	Exd ⅡBT4	WF1	1’/2～3	1’/2～3	30~50

Example of appearance

BQX series star delta starter (IIB)