Siemens 6RA70 specifications 1180 1660 1680

5.3 1180ADC, 1660ADC & 1680ADC Base Drive Panels, 3AC 460V, 1 & 4Q

Rated supply voltage armature		V				3 Phase
1)						460 (+10% / – 5%)
Rated input current armature		A	1000		1401		1455
2)
Fan type		V				3 Phase
						460V
Air flow rate	ft3/min			824
Fan noise level		dBA		88
Rated supply voltage field		V				1 Phase 460 (+10%)
Rated frequency		Hz	45 to 65 Hz self adapting (armature and field are
			independent)
Rated DC voltage 2)		V		500
Rated DC armature current		A	1180			1660	1680
Overload capability 60s	7)					150% of rated DC current
Rated output @ 500 VDC		Hp	700		1000		1000
Rated output @ 240 VDC		Hp	350		500		500
Power loss at rated DC current		W	5540		7590		7280
(approximately)
Rated DC voltage field		V		300
Rated DC field current		A		40			85
Operational ambient		°C				0 to 45 at Irated
temperature						fan-cooled 4)
Storage and transport		°C				– 25 to +70
temperature
Installation altitude above sea level				≤ 1000 m at rated DC current			5)
Control stability			∆n = 0.006% of the rated motor speed, valid for pulse
			encoder operation and digital setpoint
			∆n = 0.1% of the rated motor speed, valid for analog
			tachometer or analog setpoint 6)
Degree of protection						Open Chassis (IP00)
Dimensions			Refer to dimension drawings in Section 6
Weights (approx.)		Lbs.	725		755		760

Siemens Energy & Automation	5-3
SIMOREG DC Master Base Drive Panel	Operating Instructions