Emerson 30-200kVA, 50 and 60 Hz, 400V user manual Bypass input, Technical Specifications

Technical Specifications

Table 39 Bypass input

	Unit of
Rated Power, kVA	Measurement	30		40		60		80		100	120	140	160	200
Rated AC Voltage 1										380/400/415 V
	V (ac)		three-phase four-wire, sharing neutral with the rectifier input and
						providing neutral reference to the output
Rated current
380V	A	45		61		91		121		151	182	212	242	303
400V		43		58		87		116		145	174	202	230	288
415V		42		56		83		111		139	167	194	222	278
						135% long term						125% long term
Overload capacity	%					170% 10 min						150% 10 min
						1000% 100 ms						1000% 100 ms
Upstream protection, bypass		Thermomagnetic circuit-breaker, rated up to 125% of nominal output
line (by others)								current. IEC 60947-2 curve C.
Current rating of neutral cable	A						1.7 In					1.52In		1.35In
Frequency 2	Hz								50 / 60
Transfer time (between								Synchronous transfer: ≤ 1ms
	ms		Asynchronous transfer (default): 15 ms (50 Hz), 13.3 ms (60 Hz)
Bypass and Inverter)
								or 40, 60, 80, 100 ms selectable
						Upper limit: +10, +15 or +20, default +15
Bypass voltage tolerance	% V (ac)					Lower limit –10, -20, -30 or -40, default: -20
				(delay time to accept steady bypass voltage: 10 sec)
Bypass frequency tolerance	%						± 2.5,		±5, ±10 or ±20 default ±10
Synchronisation - Window	Hz				Rated frequency ±2 Hz (selectable ± 0.5 to ± 3Hz)

1.Factory set to 400V – 380 or 415V selectable by commissioning engineer.

2.Factory set to 50Hz; 60 Hz selectable by commissioning engineer. Bypass condition ignored when UPS set as frequency converter.

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