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Nelson™ Heat Trace Type CM GP Digital Electronic Controller
Nelson™ Heat Trace Type CM GP is a micro-processor based digital electronic controller that has been specifically designed for wall mounted electric heat tracing applications. This system provides temperature control of an individual heater segment with sensor monitoring, remote alarm contacts, and ground fault leakage detection.
Nelson™ Heat Trace Type CM GP Digital Electronic Controller

Specs

Certifications and Compliances
cCSAus Certified: Ordinary Locations
Enclosure
NEMA Type 4X
Material
Fiberglass reinforced, carbon impregnated, UV resistant polymer
Ambient Temperature
-40 °C to + +60 °C (-40 °F to +140 °F); Starting at -20 °C (-4 °F)
Temperature Input
Range: 0 °C to +218°C (+32°F to +425°F). Accuracy: ±1 °C. Repeatability: ±1 °C. RTD: 100-ohm platinum, 3W, (sold separately)(lead compensated up to 20 ohms)
Heater Switching
Configuration: Two-pole, EMR. Ratings: 100-277 Vac, 30 Amp continuous (resistive load only). Line Frequency: 50 or 60 Hz
Control Power
Power Requirement: Control power from heater voltage, 110-277 Vac, 12 VA max
User Interface
The single line, alphanumeric LCD display enables the use of English language prompts for setpoint entry and operation. There are no cryptic codes or key press combinations to remember
Enclosure
6.5"H x 6.5"W x 4.0"D, captive screw covers
Alarm Output
Alarm: EMR Form C. Alarm Rating: EMR Version 24-277 Vac @ 2.0 Amp Max, 12-30 Vdc. Alarm Output: LED Indication
Alarm Function
High Temperature Alarm, Low Temperature Alarm, Sensor Failure, Ground Fault Trip

Features

  • The controller system is housed in a NEMA 4X Fiberglass reinforced, carbon impregnated, UV resistant polymer enclosure designed for wall mounted applications
  • The system is provided with dual pole heater switching and is environmental hardened for use in various plant locations
  • The CM GP can be installed in ordinary locations
  • The system is provided with a common alarm contact for remote monitoring of the control system