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U257 MAR

Picture of U257 MAR
Actual Product May Vary From Image

Product Details

Manufacturer:
Marathon Electric Motors
Manufacturer part number:
U257
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Availability:
Expected Leadtime 10 days
Estimated dates are contingent upon manufacturer stock.
Price on Request

Description

Alternate Supplier #

286TTDC6076

Features

Meets or exceeds NEMA Premium® efficiencies NEMA Premium® models are in compliance with EISA2007 Motors are suitable for 10:1 VT on all frame sizes and 10:1 CT up to 365T frame (Except where noted) 1.15 Service Factor Normally closed thermostats, as noted Class F Insulation Nameplated 60/50 hertz UL Recognized, CSA Certified and CE Marked

Specifications

Assembly/Box Mounting:F1 Only
C Dim (IN):25
CE:N
Connection Drawing Number:004172-01ME
Country of Origin:China
CSA:Y
Current:58-55/27.5
DE Bearing Size:6312
DE Bearing Type:BALL
Duty:CONTINUOUS
Efficiency:92.4
Electrical Type:SQ CAGE IND RUN
Enclosure Type:DP
Frame Material:CAST IRON
Frame Size:286
Frame Suffix:T
Frame Type:286T
Frequency:60
HP:20
Insulation Class:F
IP Code:12
KVA Code:G
Max Ambient:40°C
Motor Orientation:HORIZONTAL
Mounting Type:RIGID
NEMA Design:B
Number of Poles:6
Number of Speeds:0
ODE Bearing Size:6311
ODE Bearing Type:BALL
Outline Drawing Number:169552_60ME
Phases:3
Power Factor:74.5
Power Rating (HP):20
Power Rating (kW):14.9
Rotation:REV
Service Factor:1.15
Shaft Diameter (IN):1.88
Shaft Extension:4.88
Shaft Type:T
Speed:1185
Speed Max:1185
Starting Type:ACROSS THE LINE
Type of Overload Protector:NONE
UL:Recognized
Voltage:208-230/460

Resources

Spec Sheet

Products Specifications

Brand Name
Marathon
Enclosure
Drip Proof
Horsepower
20 HP
Speed Rating
1185
Type
Squirrel Cage Induction Run
Voltage Rating
208-230/460 V
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