RAYCHEM Elexant 450c controller for pipe freeze protection and temperature maintenance

Raychem Elexant 450c controller for pipe freeze protection and temperature maintenance systems

RAYCHEM Elexant 450c controller for pipe freeze protection and temperature maintenance


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Product details

nVent RAYCHEM Elexant 450c electronic controller provides control of self-regulating heating cables for freeze protection and temperature maintenance applications and is designed for operation with nVent RAYCHEM polymer heating cables. The  Elexant 450c is available in two versions:

  1. Elexant 450c-Modbus: allowing flexible Modbus connectivity for remote monitoring, configuration and ease of integration in a Building Management System (BMS)
  2. Elexant 450c: no Modbus connectivity

Elexant 450c: Features & Benefits

  • Touch screen: intuitive set-up, 4.3" colour
  • Flexible control: Line sensing and/or ambient sensing (PASC)
  • Dual Zone: control 2 independent heating circuits
  • USB port: offsite configuration, firmware upgrades
  • Communication: relay signals power, temperature or communication status
  • Switching: SPDT, 2 x 4 A 230 Vac
  • RS485 Port: Modbus communication to BMS system


  • TECHNICAL DETAILS
    SPECIFICATIONS
    ApplicationPipe freeze protection and temperature maintenance

    for nVent RAYCHEM XL-Trace, FS-C10-2X, Frostop Black and ETL heating cables
    Area of UseOrdinary area, outdoors
    Exposure temperature range0°C to +40°C
    Electrical
    Supply voltage230 Vac -15/+10% 50/60 Hz
    Power consumption4 VA
    TerminalsPower supply: 3 x 1.5 mm²
    Heating circuit output: 2 x 2 x 1.5 mm²
    Alarm: 3 x 1.5 mm²
    Sensor: 2 x 2 x 1.5 mm²

    Modbus: 3 x 1.5 mm² 
    Alarm relaySingle pole double throw (SPDT); volt free 2 A / 250 Vac
    Time clockAutomatic summer/winter and leap year connection
    Clock back up /accuracy10 days, ± 10 minutes per year
    KeylockPassword protection
    USB portPre-installation set-up in power off mode; firmware upgrade
    Display and programming
    Screen typeTouch screen, size 4.3"
    LED indication (GREEN)

    Flashes GREEN in operation mode

    Selectable set temperatures0°C  to +80°C  (standard)
    0°C  to +150°C (with SM-PT100-2 and HARD-78)
    0°C  to +250°C (with SM-PT100-2 and MONI-PT100-260/2)
    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 (Elexant 450c-Modbus)
    Communication portRS-485
    Type2-wire RS-485
    CableOne shielded twisted pair (not included)
    Lengthup to 1,200 m
    Quantityup to 247 devices per port
    Data rate2400, 4800, 9600, 19200 baud
    ParityNone, even, odd
    Stop bits1, 2
    ProtocolModbus RTU
    Enclosure
    MaterialPolyphenylene Ether (PPE)
    Ingress protectionIP 20
    Mounting optionIn panel: mountable DIN rail 35 mm
    Storage temperature-20°C to +50°C 
    Flammability classD category DIN EN 60730 / VDE 0631-1
    Sensor (standard)
    TypeNTC 2 KOhm / 25°C; 2 wire
    Tip dimensions⌀ 5 mm; length 20 mm
    Cable length5 m (standard); extendable up to 150 m using  2 x 1.5 mm² cable
    Temperature range-40°C  to +90°C
    Sensor (optional - requires SM-PT100-2 module)
    SensorHARD-78
    TypePT100: 3-wire
    Tip dimensions⌀ 6 mm; length 50 mm
    Cable length3 m (standard); extendable up to 150 m using  3 x 1.5 mm² cable
    Temperature range°C  to +150°C


    SensorMONI-PT100-260/2
    TypePT100: 3-wire
    Tip dimensions⌀ 6 mm; length 50 mm
    Cable length2 m (standard); extendable up to 150 m using  3 x 1.5 mm² cable
    Temperature range-50°C to +250°C
  • APPROVALS
    APPROVALS
    CE, VDE (pending), ROHS, WEEE
    Complies to EMC EN 61000-6-3; EN 61000-6-2


  • DIMENSIONS
    DIMENSIONS AND WEIGHT
    Width158 mm
    Height110 mm (excluding glands)
    Depth65 mm
    Weight0.55 kg

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