
Specifications
2–4 975-0639-01-01 Rev A
This guide for use by qualified personnel only
AC Transfer Specifications
NOTE: All transfer specifications are at nominal conditions: ambient temperature
of 77 °F (25 °C), split-phase 120/240 VAC, 60 Hz input, unless otherwise
specified.
Physical Specifications
SW 2524 120/240 SW 4024 120/240
Transfer time—utility to invert < 20 ms
Relay current rating
30 A
a
a.Limited by SCP to 24 A due to CEC/NEC regulatory requirements.
Minimum line-to-neutral AC input
voltage for transfer
95 VAC RMS
Maximum
line-to-neutral
AC input
voltage for transfer
135 VAC RMS
Minimum AC input frequency for transfer
44 Hz
Maximum AC input frequency for transfer
70 Hz
Cooling Fan-cooled, temperature controlled
SW 2524 120/240 SW 4024 120/240
L × W × H
15.2×13.5×7.6 in
(387×343×197 mm)
15.2×13.5×7.6 in
(387×343×197 mm)
Net Weight 62 lbs. (28 kg) 76 lbs. (34.5 kg)
ConextSW-NA-InstallationGuide.book Page 4 Thursday, December 20, 2012 2:05 PM
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