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Product details
category: Explosion Proof Motors
manufacturer: Weg
mpn: 25018XT3H447T
weight: 2588
WEG Explosion-proof motor was especially designed to operate in environments with the presence of explosive atmospheres. It has robust construction, a flame retention system with gaps between the parts carefully designed, accurate machining on the terminal box and screws with high mechanical strength. It meets the requirements of explosive atmospheres like Division I/Zone 1. Motors are certified for VFD service.
Additional Information
Catalog Number5018XT3H447T
StandardNEMA MG-1
Frequency60 Hz
Voltage575 V
Number of poles4
Degree of ProtectionIP55
Synchronous speed1800 RPM
Output rating250 HP
MountingF-1
FlangeWithout
Terminal box¹Left position
EnclosureIC411 - TEFC
Frame447T
Output250 HP (185 kW)
Rated speed1784 RPM
Slip0.0089
Rated voltage575 V
Rated current227 A
L. R. Amperes1590 A
LRC7.0x(Code H)
No load current72.2 A
Rated torque736 ft.lb
Locked rotor torque2.5
Breakdown torque2.5
Locked rotor time36s (cold) 20s (hot)
Moment of inertia (J)89.6 sq.ft.lb
DesignB
Insulation ClassF
Service factor1.15
Temperature rise80 K
Duty CycleCont.(S1)
Starting MethodDirect On Line
Ambient temperature-20°C to +40°C
Altitude1000 m.a.s.l.
Rotation¹Both (CW and CCW)
Noise level²82.0 dB(A)
Frame MaterialCast Iron
Impregnation MethodConstant Resin Flow
Main terminal box hole2xNPT 3"
Terminal BlockWithout
DrainSinterized, Exd
Shaft MaterialSAE 4140 Carbon Steel
PaintingRAL 5009 202P (ISO 12944 - C4)
Grounding LugsDouble
Fan Cover materialCast Iron
Tropicalized PaintingWithout
Fan materialAluminum
Bearing capYes- Bearing Cap
Drip CoverWithout
Overload protector (phenolic)Without overload protector
Connection Cables Quantity6
Shaft Locking DeviceWithout
Winding thermal protectionThermostat - 2 wires 1 per phase 155°C
Regreasing SystemAt Drive end and Non-drive end
Bolt MaterialCarbon Steel