Marathon B311

B311

1HP 1725 56 ODP 115/208-230V Fan and Blower

$724.69

1 in stock (can be backordered)

Category: Brand:

Quick Specs

  • HP: 1
  • RPM: 1725
  • Voltage: 115/208-230
  • Phase: 1
  • Enclosure: Open Drip Proof
  • Frame: 56

Product Overview

The Marathon B311 is a single-phase, general-purpose fan and blower motor that delivers 1 horsepower at 1725 RPM. It operates on 115/208-230V power and is built with a 56 frame and an Open Drip Proof (ODP) enclosure for use in dry environments.

With resilient base mounting, this motor is built from rolled steel and includes a capacitor start induction run system, automatic overload protection, and ball bearings (6203) on both ends. It supports horizontal installation and continuous duty, and is UL recognized and CSA certified.

Electrical Data

Rated Motor Output Power1
Rated Motor Speed1725
Rated Motor Voltage115/208-230
Rated Motor Current-
Phase1
Frequency60
Poles4
Locked Rotor Current62.4 / 31.2
Service Factor1.15
KVA CodeH
Nominal Efficiency72
Nominal Power Factor-
Leads (Qty, Size)-
ConnectionAcross The Line
Start Capacitor8.9
Run Capacitor4.4

General Data

Frame56
EnclosureOpen Drip Proof
MountingResilient Base - Extended Studs
Weight27 lbs
RotationSelective Counterclockwise
Ambient Temp40
Number of SpeedsSingle Speed
C-Dimension-
NEMA Design-
Degree of Protection (IP)-
Insulation ClassB
DutyContinuous
OrientationHorizontal

Mechanical Data

DE Bearing6203
NDE Bearing6203
Shaft Diameter0.625
Grease TypePolyrex EM
Greaseable-

Additional Information

Warranty1-Year
Country of Origin-
Agency ApprovalsUL Listed and CSA Certified

No downloads available.

Related products