GE MX350, Instruction Manual

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MX350 AUTOMATIC TRANSFER CONTROL SYSTEM – INSTRUCTION MANUAL

SPECIFICATIONS

CHAPTER 1: INTRODUCTION

PHASE CURRENT INPUTS

Range:......................................................................2.5 to 7.5 A (1.5 × CT)
Input type:..............................................................5 A
Frequency: .............................................................50 or 60 Hz
Accuracy:................................................................±2.0% of Full Scale, where Full Scale = 1.5 × CT Primary
Withstand (at 5A nominal):.............................0.2 s at 100×   

1.0 s at 50×  
2.0 s at 40×   
continuous at 3× rated current

PHASE VOLTAGE INPUTS (THREE-PHASE VOLTAGE)

Input range:...........................................................120 to 600 V (nominal)
Nominal frequency: ...........................................50 or 60 Hz
Accuracy:................................................................±2% of reading, or ±1 V, whichever is greater

NOTE

NOTE: 

Phase current Input Type of 1 A is not supported.

Outputs specifications

FORM-C RELAY

Contact material:................................................silver-alloy
Operate time:........................................................10 ms
Maximum contact load: ..................................10 mA at 5 V DC
Maximum switching rate:...............................300 operations per minute (no load), 30 operations per 

minute (load)

Mechanical life:....................................................10 000 000 operations
Continuous current:...........................................10 A
Make and carry for 0.2s:..................................30 A per ANSI C37.90

FORM-C OUTPUT RELAY BREAK CAPACITY

AC resistive, 120 V AC: ......................................10 A normally-open, 5 A normally-closed
AC resistive, 240 V AC: ......................................10 A normally-open, 8 A normally-closed
AC inductive, PF = 0.4 pilot duty:..................2.5 A
DC resistive, 30 V DC:........................................10 A

SOLID STATE OUTPUT RELAY

Operate time:........................................................< 1 ms
Nominal voltage:.................................................24 V DC
Maximum current:..............................................0.5 A

Power supply specifications

POWER SUPPLY

Nominal:..................................................................120 to 240 V AC

125 to 250 V DC

Range:......................................................................60 to 300 V AC (50 and 60 Hz) 

84 to 250 V DC

Ride-Through:.......................................................35 ms

ALL RANGES

Voltage withstand:.............................................2 × highest nominal voltage for 10 ms
Power consumption:.........................................16 W typical, 25 W maximum