Hitachi SJ100 The, unit to the inverter, or two braking units for additional braking torque

5–11

SJ100 Inverter

400V Class Inverters –The following tables specify the braking options for 400V class SJ100 inverters and the braking torque for each option. You can connect a single braking

Inverter

Braking unit

unit to the inverter, or two braking units for additional braking torque.

+ Braking

– unit

Use one BRD–E2 braking unit for the braking torque listed in the following table.

SJ100 Inverter 400V Models				Braking Torque with BRD–EZ2 Braking Unit
		Braking torque	Using built-in			External resistor added
			resistor only
Model Number	HP	without			HRB1		HRB2		HRB3
		braking unit
			A	B	A	B	A	B	A	B
004HFE/HFU	1/2	50%	150%	120%
007HFE/HFU	1	50%	100%	80%	150%	120%
015HFE/HFU	2	50%	60%	60%	100%	80%	120%	100%	150%	120%
022HFE/HFU	3	20%	50%	50%	100%	80%	120%	100%	150%	120%
030HFE	4	20%	40%	40%	80%	60%	100%	80%	150%	120%
040HFE/HFU	5	20%	40%	40%	60%	60%	80%	60%	150%	120%
055HFE/HFU	7.5	20%	30%	30%	50%	50%	80%	60%	100%	80%
075HFE/HFU	10	20%	20%	20%	40%	40%	60%	40%	80%	80%

Connect a second braking unit in parallel for additional braking torque listed in the following table.

SJ100 Inverter 400V Models			Braking Torque with TWO (2) BRD–EZ2 Braking Units
		Braking torque	Using built-in			External resistor added
			resistor only
Model Number	HP	without			HRB1		HRB2		HRB3
		braking unit
			A	B	A	B	A	B	A	B
004HFE/HFU	1/2	50%	150%	120%
007HFE/HFU	1	50%	150%	120%
015HFE/HFU	2	50%	100%	80%
022HFE/HFU	3	20%	70%	70%	150%	120%
030HFE	4	20%	50%	50%	110%	90%					ControlMotor Accessories
040HFE/HFU	5	20%	50%	50%	110%	90%
055HFE/HFU	7.5	20%	30%	30%	80%	80%	90%	90%	100%	100%
075HFE/HFU	10	20%	30%	30%	60%	60%	80%	80%	100%	100%