GE Industrial Solutions EPM4500 Submeter - Manual (Page 10)

1–6 EPM 4500 SUB METER – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 1: OVERVIEW
1.3.4 Inputs
AC CURRENT INPUTS
CT input:..............................................................50 to 800 A primary available
Secondary inputs: ..........................................0.1 A or 5 A
AC VOLTAGE INPUTS
Metered voltage:.............................................120/208 V wye, 277/480 V wye, or 600 V delta
at 50 to 60 Hz
Rated voltage:..................................................90 to 110%
PULSE INPUTS
Inputs:..................................................................up to 48 form-A pulse inputs logged in programmable
intervals also count during power outage
Minimum wire gauge:...................................20 AWG
Maximum wire length: .................................300 ft.
Maximum rate: ................................................5 transitions/second
Minimum pulse width:..................................100 ms
1.3.5 Communications
EPM4 500 COMMUNICATIONS
Protocols:............................................................Power line communications (PLC)
RS485 Modbus (2-wire, half-duplex, isolated)
Ports: ....................................................................IEC front optical point-of-access (POA) port
1.3.6 Physical
ENVIRONMENT
Usage:..................................................................For indoor use only
Enclosure:...........................................................NEMA 1 rated
Temperature:....................................................–20°C to +60°C
Humidity:............................................................0 to 95% relative humidity (non-condensing)
Pollution degree:.............................................1
Maximum altitude:.........................................2000 m
DIMENSIONS
Meter enclosure:.............................................13.5"H × 8.5"W × 4.5"D
CT terminal board enclosure: 13.5"H × 8.5"W × 4.5"D
SHIPPING
Shipping weight: .............................................1 meter assembly 34 lbs. (total weight)
Shipping dimensions: ...................................2 enclosures, each 13.5"H
× 8.5"W × 4.5"D
1.3.7 Type Tests and Approvals
TYPE TESTS
Transient/surge suppression: ANSI C37.90.1-1989
Installation category:....................................III. This product falls under Installation Category III
because of its distribution level, fixed installation and has
smaller transient overvoltages than an Installation
Category IV.