ZTS Series Accessory Definitions

Microprocessor activated test switch (Momentary)

Hardwired test switch (Maintained)

6AP

Microprocessor activated test switch (Maintained)

Hardwired test switch (Maintained Auto - Momentary Test) Key operated

Hardwired test switch (Maintained Auto - Maintained Test) Key operated

Auxiliary Contact S.P.D.T. - Normal (Source 1) Failure

A1E

Auxiliary Contact S.P.D.T. - Emergency (Source 2) Failure

Auxiliary Contact - closed in emergency (source 2) Additional available (10 max.) on ZTS and need to be specified

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

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 user-selectable, with or without load.

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.

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

Engine Start Relay

EL/P

Event log of last 16 events

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 40-200A)

Frequency Meter - Door mounted

K/P

Frequency Indication on the controller

LNP Center-off position LCD-Indicator Indicating LED lights:

L1 Indicates Switch in Source 2 position.

L2 Indicates Switch in Source 1 position.

L3 Indicates Source 1 available.

L4 Indicates Source 2 available.

Single Phase Amp Meter

Three Phase Amp Meter

M80

Digital Meter Measures and displays true RMS volts, amps and frequency in a three-phase power system.

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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