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Miniature Circuit Breakers Type GMB63

Brand: Carlo Gavazzi

Competitive  line  of  UL  489  miniature circuit breakers for 240VAC  and  480Y/277VAC  application  where  supplementary  or  branch  circuit  protection  is  required.  GMB  circuit breakers are available in 1, 2 and 3 pole configurations,  with  amperage  rating  up to 63A.
Features
  • Protection of circuits against short circuit and overload conditions
  • UL489 branch circuit protection
  • 1, 2, 3 pole arrangements 
  • 22 amperage sizes up to 63Amps
  • Icn of 10kAl  Bimetallic element for small overloads
  • Magnetic element for short circuit protection
  • 240VAC and 480 Y / 277VAC versions
  • Lug or screw terminals

Specifications

Standards

  • UL 489 / CSA C22.2 No. 5 / IEC 60947-2

Rated Voltage

  • 240 Vac, 60/125 Vdc
  • 480Y/277 Vac

Rated Frequency

  • 50/60 Hz

Rated Current with Lug Terminal

  • 0.5 ~ 63A
  • 0.5 ~ 20 A

Rated Current with Ring Terminal

  • 0.5 ~ 40 A
  • 0.5 ~ 20 A

Rated Insulation Voltage (V)

  • 500

Rated Impulse Withstand Voltage (kV)

  • 6

Instantaneous Tripping Type

  • C (B & D) upon request

Interruption Rating (kA)

  • 10

Inverse Time-Delay Over Current Release Type

  • Thermal-magnetic

Service Life: Electrical

  • 6,000 cycles

Service Life: Mechanical

  • 10,000 cycles

Protection Degree

  • IP20

Wire: Single Wire

  • 14~4 AWG

Wire: Two Wire

  • First wire 14~6 AWG, second wire 14~10 AW

Torque

  • 31 lb-in (3.5 N-m)

Temperature Range: Tested

  • 23° F to 104° F (-5° C to +40° C)

Temperature Range: Working

  • -13° F to 131° F (-25° C to +55° C)

Relative Humidity at +20° C

  • < 90 %

Relative Humidity at +40° C

  • < 50 %

Pollution Degree

  • Class 3

Over Voltage Category / Mounting

  • Class III / 35 mm DIN Rail

Altitude

  • < 2000 m

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