ZTS Series Accessory Definitions
6P
Microprocessor activated test switch (Momentary)
6A
Hardwired test switch (Maintained)
6AP
Microprocessor activated test switch (Maintained)
6B
Hardwired test switch (Maintained Auto - Momentary Test) Key operated
6C
Hardwired test switch (Maintained Auto - Maintained Test) Key operated
A1
Auxiliary Contact S.P.D.T. - Normal (Source 1) Failure
A1E
Auxiliary Contact S.P.D.T. - Emergency (Source 2) Failure
A3
Auxiliary Contact - closed in emergency (source 2) Additional available (10 max.) on ZTS and need to be specified
A4
Auxiliary Contact - closed in normal (source 1) Additional available (10 max.) on ZTS and need to be specified
A62
Motor disconnect and staged restart (1 contact)
AB3
Auxiliary Contact - closed in bypass emergency (source 2) (S.P.D.T.) (Standard up to 400A) Additional available (10 max.) on ZTS and need to be specified
AB4
Auxiliary Contact - closed in bypass normal (source 1) (S.P.D.T.) (Standard up to 400A) Additional available (10 max.) on ZTS and need to be specified
B9
Battery charger (ships separate from ATS)- semi- float 5 amp (need to specify input/output voltage and type LA, N, FL)
Calibrate
Microprocessor activated calibration feature
CDP
Programmable exerciser daily, 7/14/28/365 days
CDT
Exerciser no load timer. Increased functionality no longer requires a jumper.
CTAP
Chicago transfer alarm panel mounted in door of enclosure. Includes 3 aux. contacts and fuse.
DS
Disconnect Switch. Disconnects source voltage to transfer power panel
DT (Delayed Transition Only)
Time Delay from Neutral Switch position to Source 1 on retransfer
DW (Delayed Transition Only)
Time Delay from Neutral Switch position to Source 2 on retransfer
E
Engine Start Relay
EL/P
Event log of last 16 events
F
Fan contact, closed when engine runs.
HT(1)(2)
Heater and Thermostat 208/240V (1) 380/600V (2) mounted and interwired in enclosure. (requires larger enclosure for
K
Frequency Meter - Door mounted
K/P
Frequency Indication on the controller
L
LNP
L1 Indicates Switch in Source 2 position.
L2 Indicates Switch in Source 1 position.
L3 Indicates Source 1 available.
L4 Indicates Source 2 available.
M1
Single Phase Amp Meter
M2
Three Phase Amp Meter
M80
Digital Meter Measures and displays true RMS volts, amps and frequency in a
M82
Digital Meter Includes M80 functions plus Watts, KVA, KVAR, PF, etc. w/Modbus RS485 port
M83
Digital Meter Includes M82 functions plus THD capability and Modbus RS485 port
M84
Digital Meter Includes M83 functions plus unbalance 128 samples/cycle data logging, waveform capture and sag/swell capture.
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