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5
Control, Monitoring and Power
Distribution
Raychem-IM-H58067-IceStopRoofGutterDeIcingCOM-EN 18/01
TABlE 7: CONTROl SySTEMS
Snow melting controllers
APS-3C
Automatic snow melting controller housed
in a NEMA 3R enclosure provides effective,
economical automatic control of all snow
melting applications. CSA Certified, c-UL-
us Listed, available in 120 V and 208-240 V,
50/60 Hz models, 24-Amp DPDT output relay,
adjustable hold-on timer.
Enclosure dimensions: 11-1/2 in x 9-1/8 in x
6-9/16 in (292 mm x 232 mm x 167 mm)
APS-4C
Automatic snow melting controller housed
in a NEMA 3R enclosure provides effective,
economical automatic control of all snow
melting applications. The APS-4C operates
up to ten SC-40C satellite contactors for
larger loads. CSA Certified, c-UL-us Listed,
available in 277 V single-phase, and 208/240,
277/480, and 600 V three-phase models,
built-in 3-pole 50-Amp contactor, integral
30-mA ground-fault circuit interrupter,
adjustable hold-on timer.
Enclosure dimensions: 11-1/2 in x 9-1/8 in x
6-9/16 in (292 mm x 232 mm x 167 mm)
SC-40C
Satellite contactor power control periph-
eral for an APS-4C snow melting control-
ler, housed in a NEMA 3R enclosure. CSA
Certified, c-UL-us Listed, available in 277
V single-phase, and 208/240, 277/480, and
600 V three-phase models, built-in 3-pole
50-Amp contactor, integral 30-mA ground-
fault circuit interrupter.
Enclosure dimensions: 11-1/2 in x 9-1/8 in x
6 in (292 mm x 232 mm x 152 mm)