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Since Tuesday, 02/23/2021 04:00
Eastern Time Zone

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Stelpro > Commercial / Architectural Heating > Explosion-Proof and Water Resistant > SEU

Explosion-Proof Unit Heater

A safe way to heat

SEU New

The explosion-proof unit heater from Stelpro’s X-PRO series is the proven choice for hazardous locations at risk of fire or explosion due to the presence of flammable and hazardous substances. Available with an array of characteristics and options, this explosionproof unit heater is designed with both safety and versatility in mind.

Product images

  • SEU_ANGLE_1000x600px
  • X-Pro
  • SEU_SIDE_1000x600px
  • SEU_BACK_1000x600px

Advantages

  • Stainless steel burst disc pressure relief deviceLeak-free under normal operating conditions for added reliability
  • Heating element delivers up to 45% higher temperature rise compared to competitorsMaximized performance for demanding environments
  • Low-voltage wall-mounted electronic thermostatSafer and more precise temperature control
  • Optional corrosion-resistant Heresite coatingAdded protection in harsh or humid environments
  • Durable, easy-to-open packaging for jobsite useEnsures the unit is functional and ready to install—every time

COLOR

  • Standard : red

FINISH

  • Standard : epoxy/polyester powder paint

VOLTAGE

  • 208V, 240V, 480V, 600V, 1 or 3 phase

MANUFACTURING

  • 14-gauge steel cabinet
  • Adjustable anodized aluminum louvers
  • Cast aluminum control and element enclosure lids NEMA Type 7 and 9 with O-ring
  • Fan Guard: multiple horizontal stiffening wires
  • Stainless steel high temperature pressure relief device
  • Two high-limit temperature controls : one with automatic reset and one with manual reset

MOTOR

  • Explosion-proof, thermally protected, permanently lubricated ball bearing motor
  • 3 to 20 kW : 1/4 HP, 1725 rpm
  • 25 to 35 kW : 1/2 HP, 1725 rpm

CLASSIFICATION

  • Class I, Divisions 1 and 2, Groups C and D
  • Class II, Divisions 1 and 2, Groups F and G
  • Temperature code : T3B (5 to 30 kW), T3A (3/35 kW)
  • Class I, Zones 1 & 2, Groups IIA & IIB, T3

 

TEMPERATURE CODE

  • Division System : 5 to 30 kW = T3B 165°C (329°F), 3 kW/35 kW = T3A 180°C (356°F)
  • Zone System : T3 200°C (392°F)

TEMPERATURE LIMITATIONS

  • Ambient temperature : -40°C to 40°C (-40°F to 104°F)
  • Maximum altitude : 3048 m (10 000 ft.) above sea level

HEAT EXCHANGER

  • High grade metal-sheathed elements fins with ethylene glycol/water solution
  • Long-life, low watt density
  • Evacuated and sealed, carbon steel tube core with 10 aluminum fins per inch

CONTROL

  • Control circuit 120 VAC or 24 VAC (required for use with electronic thermostat)
  • Optional built-in or wall thermostat (bi-metal or electronic)
  • Optional built-in or wall disconnect switch

INSTALLATION

  • Wall, ceiling or pole installation using mounting brackets (not included; see the accessories table)

WARRANTY

  • Three years
SpecsheetDownload the product specsheet containing product specs and other useful information
User guideDownload the product user guide
Technical drawingsDownload the product technical drawings
Technical drawingsDownload the product technical drawings

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