Specifications

Distribution Products Catalog CA08101001E—October 2010 www.eaton.com 91
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16.6
Tr a n s f er Switches
Standard and Optional Features
Breaker-Based—Automatic Transfer Switch Features
S = Standard, O = Optional
Open Transition
Closed
Transition
ATV1
ATH1
ATV3
ATH3
ATVI
ATH
NTHE
NTVE
MTHX
MTVX BIHI MBHE
Feature
Number Description
Light
Commercial
Molded
Case Switch
ATC-100
Controller
Molded
Case Switch
ATC-300
Controller
Molded
Case Device
ATC-600
Controller
Molded
Case Switch
Non-Automatic
Transfer
Switch
Molded
Case Switch
Manual
Transfer Switch
Molded
Case Switch
Bypass
Isolation
Switch
ATC-600
Molded
Case Switch
Maintenance
Bypass
1
1a
Timers
Time delay normal to emergency (TDNE)
Fixed 2 seconds or 15 seconds
S——— — ——
Adjustable 0–1800 seconds — S S — — S —
2Time delay engine start (TDES)
Fixed 3 seconds
S——— — ——
Adjustable 0–120 seconds — S S — — S —
3Time delay emergency to normal (TDEN)
Fixed 1 minute
S——— — ——
Adjustable 0–1800 seconds — S S — — S —
4Time delay engine cooldown (TDEC)
Fixed 5 minutes
S——— — ——
Adjustable 0–1800 seconds — S S — — S —
5
5H
Emergency (S2) source sensing
Phase reversal — S O — — O —
5J All-phase undervoltage/underfrequency S S S — — S —
5K All-phase overvoltage/overfrequency — S S — — S —
5L All-phase voltage unbalance and phase loss — S — — — — —
5N All-phase overfrequency S — — — — — —
6
6B
System or engine test
System test pushbutton S S S — — S —
6D Maintained two-position test switch — — O — — O —
6H Maintained four-position test switch — — O — — O —
7Time delay emergency fail (TDEF)
Fixed 6 seconds
S——— — ——
7a Time delay emergency fail (TDEF)
Adjustable 0–6 seconds)
—S S— — S—
8
8C
Pushbutton bypass
Bypass TDEN
—S S— — S—
8D Bypass TDNE — S S — — S —
9
9B
Maintenance selector switch
Electrical operator isolator switch — O O — — O —
——O— — O—
10
10B
Preferred source selector
Utility to utility or utility to generator
10D Generator to generator — — O — — O —
12C
Indicating lights
Normal (S1) source connected S S S S — S —
12D Emergency (S2) source connected S S S S — S —
12G Normal (S1) source available S S S S — S —
12H Emergency (S2) source available S S S S — S —
12L Normal (S1) source tripped (requires Feature 16) — O O O — O —
12M Emergency (S2) source tripped (requires Feature 16) — O O O — O —