Specifications 
 
 
Copyright © 2019 Eaton Corporation.  All Rights Reserved. 
IPN March 2019 
139
 
 
  Fast trip current level  550A 
  Fast trip time  < 100 usec 
  Off state output leakage current (maximum)  10mA 
  Maximum load inductance  4uH 
  Maximum load lead length  3m 
  Turn on rise time (maximum)  10msec 
 
Voltage drop from input to load output 
(maximum) 
250mV 
 
 
 
Load Output Specification 
 
  Output current rating  5A to 25A in 1A steps 
 
 
Short circuit current (maximum allowable by 
system design) 
10kA   
 
  Fast trip current level  250A 
  Fast trip time  < 100 usec 
  Off state output leakage current (maximum)  1mA 
  Maximum load inductance  4uH 
  Maximum load lead length  3m 
  Maximum load capacitance (non current limited)  10uF (min ESR 50mOhm) 
  Turn on rise time (maximum)  10msec 
 
Voltage drop from input to load output 
(maximum) 
250mV 
 
 
Environment 
 
  Ambient Temperature Range  -40°C to 50°C [-40°F to 122°F] 
  Relative Humidity
 (operating and storage)
  <95% (non-condensing) 
 
 
Dimensions H, W, D 
 
  All models  1U, 19" or 23" mounting, 13.2" [335 mm]* 
 
 
* Additional clear air space is required at rear for rectifier exhaust air venting. See details on page 59.
 
 
   
Weight 
 
  RM3-340 models  11.88 lb [5.4kg] 
 
RM3-440 models 
 
11.88 lb [5.4kg] 
  Rectifier module  3.7 lb [1.7kg] 
 
 
* Excluding rectifiers but including EFX48 
 
 
Alarm Relays 
 
  Number of Alarm Relays  5  
  Contact Arrangement  One normally open contact per relay