Y MOULDED CASE CIRCUIT BREAKER

DESCRIPTION£º Available in two frame sizes from 25 to 800 amps.Loadine series of moulded case circuit breakers provide overload and short-circuit protection for the full range of transformer sizes encountered in nor mal service. The overload and instantancous tripping elements.adjustable over a wide band,make these MCCBs ideal for many distribution applications. Y MCCBs are available in single pole,three poles with switched neutral and switch disconnector versions,Loading triple poles Y frame circuit breaker and switch-disconnector are physically interchangeable with AA breakers for Motor Duty requirments.AA Frame have front adjustable overload and fixed instantaneous tripping elements. SPECIFICATION: Insulation voltage(Ui)-660V ac Operating voltage(Ue)-415 ac Rated frequency-~50/60 Hz Reference Calibration-40℃(50℃ on request) TRIPPING ELEMENTS: Overload front adjustable 0.7-1.0 times rated current Instantaneous-non-adjustable AA25-63A=400A AA80-125A=800A AA160-25A=1600A Description In/A Lowest setting Current amps Y-125 single pole MCCB triple poles MCCB 25 17.5 32 22.5 40 28 50 35 63 44 80 56 100 70 125 88 Y-225 AA Frame 160 112 200 140 225 157.5 Y-400 250 175 315 221 400 280 Y-630 500 350 630 441 Y-800 800 560

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