236
Heater Burnout Alarm (CQM1-TC
j03/TCj04)
Item Specification
Maximum heater current 50 A, single-phase AC
Input current monitoring
accuracy
±5 % FS ±1 digit
Heater burnout alarm
setting
0.1 to 49.9 A (0.1 A unit) (See note 1.)
Minimum ON time for
detection
200 ms (See note 2.)
Note 1. Heater burnout detection will be disabled if the alarm is set to 0.0 A. The
heater burnout alarm output will turn ON if the alarm is set to 50.0 A.
2. If the control output is ON for less than 200 ms, heater burnout will not be
detected and the heater current will not be measured.
Current Detector (CT) Ratings
Item E54-CT1 E54-CT3
Continuous maximum
heater current
50 A
Range for accurate
measurement
0 to 30 A 0 to 50 A
Withstand voltage 1,000 VAC
Shock resistance 50 Hz (Approx. 10 G)
Hole diameter 5.8 mm 12.0 mm
Weight Approx. 11.5 g Approx. 50 g
Accessories None Contactors: 2
Plugs: 2
Dimensions:
CQM1-TC20j/TC30j
Unit: mm
Specifications
Section 2-2
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