GE Products BuyLog Smart Catalog

Automatic Transfer Switches Critical Power Products MX250

Section 14

MX250 Accessory Definitions

Accessories

Description

Accessories

Description

6A/P

M2

Three Phase Amp Meter (Analog)

Microprocessor activated test switch (Maintained) (selector or key) Hardwired test switch (Maintained) (selector or key) Hardwired test switch (Maintained Auto - Momentary Test) Source 1 failure Auxiliary Contact DPDT (max 5 sets) Source 2 failure Auxiliary Contact DPDT (max 5 sets) Source 2 position Auxiliary Contact DPDT (max 5 sets) Closed and Neutral Position Contact Source 1 position Auxiliary Contact DPDT (max 5 sets) Motor disconnect and staged restart (max 10 contacts) Bypass Source 2 position Auxiliary Contact SPST Bypass Source 1 position Auxiliary Contact SPST Microprocessor activated calibration feature Programmable exerciser daily, 7/14/28/365 days user-selectable, with or without load Chicago transfer alarm panel mounted on enclosure door Inhibits controller from transferring for maintenance and troubleshooting Removes power from control circuit for maintenance and troubleshooting (DELAYED TRANSITION ONLY) Time Delay from Neutral Switch position to Source 1 on retransfer (DELAYED TRANSITION ONLY) Time Delay from Neutral Switch position to Source 2 on retransfer EnerVista Viewpoint Monitioring Ground Bus Mechanical Lugs Fan contact, closed when engine runs Thermostat and humidistat controlled heater mounted in enclosure Over/Under Frequency Source 2 Over/Under Frequency Source 1 Frequency Indication on the controller Center-off position LCD-Indicator LED light indicates Switch in Source 2 position LED light indicates Switch in Source 1 position Battery Charger Exerciser no load timer Engine Start Relay Event log of last 16 events

6A

M90

EPM2000 True RMS Digital Meter with display (Amps, Volts, Power, Energy, Power Factory and Frequency). 3 Line LED Display. 50/60 Hz Univer- sal Operation. 3 phase. Standard Modbus RTU RS485 communications capability. Adds Pre-Wiring for Enervista Viewpoint Monitoring of M90 Accessory & ATS Status using Modbus RS485 Serial Communications Adds Pre-Wiring for Enervista Viewpoint Monitoring of M90 Accessory & ATS Status using Ethernet TCP/IP Communications EPM6000 True RMS Digital Meter with display (Amps, Volts, Power, Energy, Power Factory and Frequency, THD). Certified energy and demand metering. Meets ANSI C12.20 and IEC 687. Accuracy Classes. Front IrDA Port Laptop Connection. Std. Modbus RTU RS485 or DNP 3.0 communications capability Adds Pre-Wiring for Enervista Viewpoint Monitoring of M91 Accessory & ATS Status using Modbus RS485 Serial Communications Adds Pre-Wiring for Enervista Viewpoint Monitoring of M91 Accessory & ATS Status using Ethernet TCP/IP Communications Engine Start Timer (adjustable to 6 sec.) External to Controller extended Engine Start Timer (adjustable to 300 sec.) Peak shave/remote load test/area protection - Relay (S.P.D.T.) (Need to specify voltage - 120 VAC, 24 VAC, 24 VDC) Inhibit transfer to Source 2 (load add relay) - Relay (S.P.D.T.) (Need to specify voltage - 120 VAC, 24 VAC, 24 VDC) Inhibit transfer to Source 1 - Relay (S.P.D.T.) (Need to specify voltage - 120 VAC, 24 VAC, 24 VDC) Over Voltage sensing for Source 1 three phase Load Shed. Should Source 2 become overloaded, a signal can be given to switch to the Neutral position. Phase rotation sensing of Source 1 and Source 2 Interruptible Power Rate Provisions. Allow trans- fer out of Source 1 position to Mid position or dead Source 2. Alarm and Pre-Signal circuit included. (Need to specify voltage - 120 VAC, 24 VAC, 24 VDC) In Phase monitor between Source 1 and Source 2 to allow transfer Microprocessor activated auto/manual retrans- fer selector switch for transferring to Source 1 (includes microprocessor activated YN accessory) Over Voltage sensing 3-phase source 2 Prime Source Selector Switch

6B

M90A (M90 & MCM)

A1

A1E

M90B (M90, MCM & ECM)

A3

M91

A34N

A4

A62

AB3 AB4

BC

CALIBRATE

M91A (M91 & MCM)

CDP

CDT

M91B (M91, MCM & ECM)

CTAP

Control Switch

P1 P2

Maintenance Switch

Q2

DT

Q3

DW

Q7

E

EL/P EVM

R1-3

GB

R8

F

R15

HTH

J2E J2N K/P

R16 R26

LN/P L1/P L2/P L3/P L4/P LCM MCM ECM

LED light indicates Source 1 available LED light indicates Source 2 available LonWorks Communication Module Modbus RTU Communication Module Ethernet Communication Adapter. Requires MCM (Modbus) Accessory.

R50

S3

S5P

Rev. 1/19 Data subject to change without notice

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