Specifications
88 Distribution Products Catalog CA08101001E—October 2010 www.eaton.com
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16.6
Tr a n s f er Switches
Standard and Optional Features
Contactor-Based—Automatic Transfer Switch Features, continued
S = Standard, O = Optional
Open Transition
Closed
Transition
RLC1 ATC1 ATC3 ATC8 BIC3 BIC8 CBC8
Feature
Number Description
Residential
Contactor
Switch
ATC-100
Controller
Contactor
Switch
ATC-100
Controller
40–600A Only
Contactor
Switch
ATC-300
Controller
40–1200A
Contactor
Switch
ATC-800
Controller
Open
Transition
Bypass
Isolation
Contactor
Switch Open
Transition
ATC-300
Controller
Bypass
Isolation
Contactor
Switch
ATC-800
Controller
Bypass
Isolation
Contactor
Switch Closed
Transition
ATC-800
Controller
18 Metering — OOOOOO
IQ 130 — OOOOOO
IQ 140 — OOOOOO
IQ 150 — OOOOOO
IQ 250 — OOOOOO
IQ 260 — OOOOOO
PXM 2250 — OOOOOO
PXM 2260 — OOOOOO
PXM 2270 — OOOOOO
18W Analog ammeter one per phase — OOOOOO
21A Non-standard terminals ———————
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23A
Plant exerciser
Selectable—disabled/7-, 14-, 28-day interval,
FIXED 15 minutes, load/no load, with fail-safe
SS—————
23J Selectable—disabled/7 day interval,
0–600 minutes, load/no load, with fail-safe
———S —S S
23K Selectable—disabled/7-, 14-, 28-day interval,
0–600 minutes, load/no load, with fail-safe
——S —S ——
23L 24-hour, 7-day, 365-day programmable
programmable plant exciser
——OOOOO
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26D
Normal (S1) source sensing
Go to emergency (S2) input — — S S S S S
26H Phase reversal protection — — S O 0 0 O
26J All-phase undervoltage/underfrequency — — S S S S S
26K All-phase overvoltage/overfrequency — — S S S S S
26L Three-phase voltage unbalance/phase loss — — S ————
26M Allows operation with generator with utility sensing
(option available only through a field-installed kit)
OO—————
26P All-phase undervoltage S S —————
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29G
Alternative transfer modes of operation
Selector switch for automatic or non-automatic
operation (switch must be labeled as non-automatic)
——OOOOO
29J Automatic transfer operation with selectable
(via programming) automatic or non-automatic
retransfer operation with fail-safe
———OOOO