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Hitachi

Hitachi Industrial Equipment Systems Co., Ltd.

Inverter : Braking unit

JRB(Small type) Specifications

Model name Resistance value Capacity*1 Allowable breaking
cycle		 Allowable continuous
ON period		 Weight
(kg)
JRB120-1 180Ω 120W 5% 20 sec. 0.27
JRB120-2 100Ω 2.5% 12 sec.
JRB120-3 50Ω 1.5% 5 sec.
JRB120-4 35Ω 1.0% 3 sec.

SRB(Standard type) Specifications

Model name Resistance value Capacity*1 Allowable breaking
cycle		 Allowable continuous
ON period		 Weight
(kg)
SRB200-1 180Ω 200W 10% 30 sec. 0.97
SRB200-2 100Ω 7.5% 30 sec. 0.97
SRB300-1 50Ω 300W 7.5% 30 sec. 1.68
SRB400-1 35Ω 400W 7.5% 20 sec. 2.85
*
Please connect the same two braking resistors with the series when using for class of 400V.

RB1, RB2, RB3(Medium capacity type) Specifications

Model name Resistance value Capacity*1 Allowable breaking
cycle		 Allowable continuous
ON period		 Weight
(kg)
RB1 50Ω 400W 10% 10 sec. 2.5
RB2 35Ω 600W 10% 10 sec. 3.6
RB3 17Ω 1,200W 10% 10 sec. 6.5
*1
For rated capacity, one cycle is within 100 sec.
*2
Please connect the same two braking resistors with the series when using for class of 400V.

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