Page 16 - Layout 1

Commercial Fan & Blower Motors & Heating Motors

S

s
rR
OCommercial Fan & Blower Motors, Unit Heater Motors, PSC

o3 Phase

otTBall Bearing

Ball Bearing

MOMARS replacement unit heater motors need to be mounted within the

S MARS three phase commercial airstream for

fan & blower motors are proper cooling.

Rdesigned for applications like
AFeatures:

commercial fans and blowers, • Totally enclosed, air over

Mdirect and belt drive air handlers
and exhaust fans.
• Horizontal or vertical mount

Features:
• 1” extended thru-bolts

• Reversing plug

• Single speed, drip-proof

• Reversible Rotation
• BX connector mounted
in frame

• Dual Voltage

Specifications:
• Resilient base mounting

• Class “B” insulation

• Heavy gauge steel
construction frame and base
• Single phase, 60 Hz

• Continuous duty

• 5/8” Shaft dia. with keyway B

• Extended thru bolts
B
• Automatic reset thermal
A
overload

Specifications:

A
• 37 inch leads
• Class “B” insulation
• cULus

C
• Three phase, 60 Hz

C

• Continuous duty, air over

• Automatic thermal overload
protection

Cross Reference:

• cULus

Marathon
MARS AO Smith/ Emerson/ Cross Reference:

No.
Century
US Motors

X302 30301 UH1016, US1016 1386 MARS AO Smith/ Emerson/
30303 No.
Century
US Motors
Marathon

X303 566A, UH1026 1384
X304
30305
UH1036
1388
K1408 30317 H850L 8488
K1410 30319 H851V2 8489
1725 RPM - Reversible

K1412 30321 RB3104A 8498
K1415 30323 H853V2 - DIMENSIONS MARS CAPACITOR NEMA

K1418
30325
RB3204A
8493P
HP VOLTS AMPS ENCL. BRG. NO.
INCLUDED
FRAME

ABC

30301 1/6 115 3.0 5/370 TEAO Ball 48Y 2.75 8.25 1/2
1725 RPM - Reversible - Dripproof

DIMENSIONS 30303 1/4 115 4.1 7.5/370 TEAO Ball 48Y 2.75 8.25 1/2 MARS HP VOLTS AMPS
S.F ENCL.
BRG. NEMA

FRAMEABC
NO.
30305 1/3 115 6.5
7.5/370 TEAO Ball
48Y
2.75 9.70 1/2
208-

2.1-2.0/1.0 1.25 DP 30317 1/2 230/460 Ball 56 1.77 9.73 5/8

3.0-2.8/1.4 1.25 DP 30319 3/4 208-
Ball 56 1.93 10.76 5/8
230/460

30321 208-
3.3-3.4/1.7 1.15 DP Ball 56 1.89 11.40 5/8 1 230/460

208-
5.3-5.4/2.7 1.15 DP Ball 56H 1.89 11.86 5/8 30323 1-1/2 230/460

6.2-6.0/3.0
1.15 DP
Ball 56H
1.89 13.75 5/8
30325 2 208-
230/460

M–16
Toll Free (800) 445-4155 • Fax (631) 348-7160
www.marsdelivers.com
®

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