The GMB Series are UL489, AC miniature molded circuit breakers, which provide reliable
protection for a wide range of applications including branch circuit protection of HACR
equipment, power supplies, transformers, motors, receptacles and other equipment. 1, 2 and
3 pole arrangements are available, ranging from 0.5A to 63A, with short circuit interrupt
capacity of 10kA. The GMB
Series circuit breakers are
cUL listed and conform to IEC standard EN-60947-2.
The GSB Series are UL1077 AC supplementary circuit protectors, which offer overcurrent
protection for specific applications where branch circuit protection is already provided
by another device or is not required. They are available in 1, 2, 3 and 4-pole variations,
ranging from 1 to 63Amps and have a short circuit interrupt capacity of 5kA. The GSB Series are cUL recognized components.
The new GMB Series UL489 branch circuit protectors and GSB Series UL1077 supplementary protectors are housed in compact 17.5mm wide
housings (per pole), with robust DIN-rail mounting and red/green diagnostic trip
indicators. C tripping curve is standard, with B & D tripping curves available upon
The new GMB and GSB Series are available from CARLO GAVAZZIs North
American network of sales offices and distributors, or at www.GavazziOnline.com.
For more information on the GMB and GSB Series, please click on any of the links below: