Standard Motor Catalog

Section XS XSD Ultra NEMA Premium Extra Severe Duty Motors XSD Ultra 661 TEFC—Extra Severe Duty (IP-56)

Heat Exchanger Standard Features

HP Range

5 - 75 4 pole




UL - Component and Insulation System Recognition, CSA - Motors and C-390 (CE and ATEX Zone 2 by custom order)

Agency Approvals

Altitude Ambient

3300 ft



1940 ISO Grade 1.0, Roller Bearings: 4P: 0.0004 in (P-P)

Bearing Caps

Cast iron and gasketed on both ends

Bearing Housing Rise Bearing Protection

4 pole: 45ºC

Complete motor IP56 (exceeds API 661 requirement of IP55), Non-contact rotating labyrinth seal on both ends

Bearing Type Conduit Box

Roller bearing on DE only. Ball bearing on ODE.

Gasketed and rotatable in 90 degree increments, Cast iron

Motors have an Auto Ignition Temperature of 200 degree C stamped on the nameplate. A Division 2 Nameplate can be provided (see kit section).

Div 2 Temp Codes


Stainless Steel T-drains in lowest section of both endshields

Efficiency End Shield

Meets or exceeds NEMA Premium nominal. Exceeds all NEMA Premium minimum efficiencies.

Cast Iron


Non-Sparking Plastic

Fan Cover Fasteners

Cast Iron

SAE, Grade 5 +/- 1.5 degrees 0.005 inches

Foot Draft Angle Foot Flatness Frame Material

Cast Iron 184-365

Frame Size Frequency

60 Hz

Grease Ground


Ground Lug in Conduit Box and Frame Ground

Industry Specifications

Meets IEEE 45 Marine Duty, Meets GM 7E-TA Automotive Duty, Exceeds API 661 specification

Insulation Class

Class H

GEGARD2400TM 143-449 frames. Non-Hygroscopic, Anti-Fungus, 2400Volt @ .1microsecond rise time. Exceeds NEMA MG1-31

Insulation System

Inverter Capabilities

Variable Torque inf:1 Belted - 40,000 hrs 4 Lugs cast into frame

Bearing L10 Life

Lifting Means


180-320 frames all orientations. 360 frame stocked as shaft up. Shaft down available upon request.

Mounting Holes

2 per foot - All frames


Stainless Steel

NEMA Design Oil Mist Lube


Includes provisions for conversion to Oil Mist Lubrication


Buff, Epoxy ester


Both ends, extended through the fan cover


Cast Aluminum

Service Factor


Shaft TIR

Meets IEEE 841, .001 in for shaft diameter 1.625 in and smaller, .0015 in for shaft diameter greater than 1.625 in.

Special Painting

Meets IEEE 841


Rise 80°C @ 1.0 SF NEMA Routine only


Time Rating


Vibration Pads

Cast in vibration pads for repeatable measurements


60 months from date of installation or 66 months from date of manufacture, whichever occurs first


Data subject to change without notice. 10/23 •

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