Product details

• TECHNICAL DETAILS

  SPECIFICATIONS

  Application pipe freeze protection and temperature maintenance Area of Use non-hazardous area hazardous areas Zone 1 and Zone 2 (Gas) Zone 21 and Zone 22 (Dust)  Exposure temperature range -40°C to +56°C Storage temperature range -55°C to +80°C

  Electrical Supply voltage ≤ 254 V a.c. ±10% 50/60 Hz Power consumption 20 VA Terminals power supply: 6 x 6 mm² heating circuit output: 3 x 6 mm² alarm: 3 x 2.5 mm² sensor: 12 x 1.5 mm² RS485: 7 x 1.5 mm²  earth for RTD shield: 1 x 6 mm² Contact main switch 500k operations at 25 A / 250 V a.c. (resistive load) Alarm relay 3 A / 250 V a.c. Temperature range controller -200°C to 700°C in 1K intervals Temperature range limiter -60°C to +599°C in 1K intervals (NGC-CL-E only) Voltage measured 50 V a.c. to 305 V a.c. Load current measured 0.3 A to 30 A Ground fault current from 10 mA to 250 mA (RCD/ELCB) Heater time alarm from 1 to 1 x 106 hours Relay cycle alarm from 0 to 2 x 106 hours

  Programming  Method 1. handheld programming device: NGC-CMA-NH 2. handheld programming device: NGC-CMA-EX (hazardous area) 3. wireless Bluetooth connection or via RS485 interface and nVent RAYCHEM Supervisor software 4. nVent RAYCHEM User Interface Terminal (NGC-UIT2-ORD) and nVent RAYCHEM software Unts of measure °C or °F, software selectable Memory Non-volatile, no loss of parameters after power outage or long term shut down, data holding time ~ 10 years LED indicators for NGC-20-C-E Heater, Alarm, RS-485 communication, Bluetooth communication LED indicators for NGC-20-CL-E Heater, Alarm, Limiter Tripped, RS-485 communication and Bluetooth Temperature limit range -40°C  to +85°C (standard) -40°C  to +145°C (with SM-PT100-2 and HARD-78) -40°C  to +245°C (with SM-PT100-2 and MONI-PT100-260/2) Parameters HIGH temperature alarm (up to 250°C or OFF) LOW temperature alarm (-40°C to +245°C, OFF) Sensor open circuit Sensor short circuit Each parameter input and event logged, in non-volatile memory storage

  Communication  Communication port RS-485 and Bluetooth Class 1 Type 2-wire RS-485 Cable One shielded twisted pair (not included) Length up to 1,200 m Quantity up to 247 devices per port Data rate 2400, 4800, 9600, 19200 baud Parity None, even, odd Stop bits 1, 2 Protocol Modbus RTU or ASCII. Multidrop/Daisy chain

  Enclosure Material Polyphenylene Ether (PPE) Ingress protection IP 66 Entries 3 x M25 - power 3 x M20 - digital communication 2 x M16 - temperatures sensors Pipe mounting Direct pipe mounting via SB-125 surface temperature 230°C Surface mounting via M6 mounting holes

  Sensor (standard) Type PT100 3 wire nVent Raychem MONI-PT100-260/2 nVent Raychem MONI-PT100-EXE-SENSOR

• APPROVALS

  APPROVALS

  ATEX: Baseefa 08ATEX0184X Ex II 2 GD Ex e mb ib IIC T * Gb ( -40°C ≤Ta ≤+*°C) Ex tb IIC T* °C Db IP66 ( -40°C ≤Ta ≤+*°C) * see data sheet IECEx: BAS 08.0047X Ex II 2 GD Ex e mb ib IIC T * Gb ( -40°C ≤Ta ≤+*°C) Ex tb IIC T* °C Db IP66 ( -40°C ≤Ta ≤+*°C) * see data sheet EAC Ex TC RU С-ВЕ.ИМ43.В.01764 ООО "ТехИмпорт" 1Ex e ib mb IIC T5/T4 Gb X Ex tb IIIC T100°C/T130°C Db X IP66  -60°C < Tamb < 60°C Made in GE ООО "ТехИмпорт"

  
  

• DIMENSIONS

  DIMENSIONS AND WEIGHT

  Width 230 mm Height 120 mm (excluding glands) Depth 110 mm Weight 2.2 kg: NGC-20-C-E 2.3 kg: NGC-20-CL-E

• DOWNLOAD DOCUMENTS

  nVent RAYCHEM NGC-20 electronic controller data sheet

  nVent RAYCHEM NGC-20 operating manual (customer)

  nVent RAYCHEM NGC-20 installation manual (field engineer)

  nVent RAYCHEM NGC-20 ATEX certificate Baseefa 08ATEX0184X

  nVent RAYCHEM NGC-20 IECEx certificate BAS 08.0047X