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MARATHON MOTORS Hazardous Duty Division 1 Explosion Proof Motors, Severe Duty, Three Phase, C Face Footless

Marathon hazardous duty, Division 1 explosion-proof motors operate in environments that are exposed to potentially explosive or flammable atmospheric vapours, fumes, dust or gases. They are used in Class 1 (Group C & D) & Class 2 (Group F & G) locations.

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MARATHON MOTORS 213TTGND16001A
MARATHON MOTORS 182TTGN16003B
MARATHON MOTORS 056T17G15599C
Bearings: Ball , Duty: Continuous , Efficiency Group: NEMA Premium Efficient , Max. Ambient Temp.: 40 Degrees C , Motor Application: Hazardous Location , Motor Design: 3-Phase , Motor Enclosure Design: Totally Enclosed Fan-Cooled , Motor Shaft Design: Keyed , Phase: 3 , Temp. Code: T3B
StyleModelLead LengthFrameFrame MaterialLength Less ShaftMotor Thermal ProtectionNameplate RPMNEMA DesignNominal EfficiencyPrice
A
213TTGND16001		6"213TCCast Iron20 5/16"T-stat3525B91.7%£2,622.67
B
182TTGN16003		6"182TCCast Iron16"T-stat3525B89.5%£1,783.91
B
145TTGN16036		12"143TCCast Iron13 1/16"T-stat1755B50.5%£1,374.52
B
143TTGN16539		12"143TCCast Iron13 1/16"T-stat1765B82.5%£1,188.86
C
056T17G15599		18"56CRolled Steel14 1/16"Auto1725A86.5%£942.18
C
056T17G15615		18"56CRolled Steel14 1/16"Auto1725B85.5%£961.14
C
056T17G15601		18"56CRolled Steel14 1/16"Auto1725B87.5%£1,381.39

Working Mechanism

  • Electric motors convert electrical energy into mechanical energy for generating motion.
  • Force is produced within the motor through the interaction between a winding alternating (AC) or direct (DC) current and the magnetic field.

Features

  • Marathon hazardous duty motors are supplied in explosion-proof conduit boxes for efficient operation in harsh environments.
  • They feature cast iron or rolled steel frame construction for structural rigidness and corrosion-proof service, at temperatures up to 40 degrees Celsius.
  • These Class B insulated units eliminate the need for run capacitors, starting capacitors and centrifugal starting switches, to prevent failure or wear of motors.
  • They come with T-stat or auto thermostats that are connected to the control circuit.
  • These triple-phase models have clockwise or counterclockwise rotational shafts and deliver speeds up to 3525 rpm.
  • They are equipped with a TEFC enclosure to permit cooling air to flow through the motor, thus preventing overheating.
  • These C-face, footless mounting units have ball bearings to reduce motor friction.

Standards and Approvals

  • UL
  • NEMA

Frequently Asked Questions

What does class B insulation mean?

These motors have Class B insulation for temperature control. Class B insulated motors can handle temperatures up to 130 degrees C.

Do these motors prevent overloading?

Yes, Marathon motors have a T-stat or automatic reset thermal protector to prevent overloads.

What is the difference between single, double and triple-phase motors?

  • Single-phase motor: Electricity flows through a single conductor.
  • Double-phase motor: Electricity flows through 4-wire conductors (2 for each phase).
  • Triple-phase motor: Electricity flows through 3 separate conductors.

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