Century BN51


Pump Mtr, Cap St, 2.25 HP, 3450, 230, 48Y, ODP

BN51 79251
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ItemSpa and Pool Pump Motor
Motor TypeCapacitor-Start
EnclosureOpen Dripproof
Nameplate RPM3450/1725
Full Load Amps10.5/2.6
Number of Speeds2
Service Factor1.0
Thermal ProtectionAuto
Max. Ambient Temp.40 Degrees C
Length Less Shaft11"
Shaft Dia.1/2"
Shaft Length2-5/16"
Overall Length13-5/16"
Shaft TypeThreaded 3/8-16 UNC-2A
Shaft MaterialSteel
Insulation ClassB
Application Spa, Jetted Tub and Above Ground Swimming Pool Pumps
RPM Range2350-3600
Standards UL 1081, 1563 Approvable
Weight 29.400000


Spa and Pool Pump Motor, Capacitor-Start, 2-1/4 HP, Nameplate RPM 3450/1725, Voltage 230, 1 Phase, Frame 48Y, Open Dripproof, Number of Speeds 2, Full Load Amps 10.5/2.6, 60 Hz, Base Mounting, Thermal Protection Auto, Insulation Class B, Service Factor 1.0, Ball Bearings, Max. Ambient Temp. 40 Degrees C, Rotation CCWPE, Overall Length 13-5/16 In., Shaft Dia. 1/2 In., Shaft Length 2-5/16 In.

  • Note: Must equal or exceed service factor and HP for proper replacement.

Whirlpool and Above-Ground Open Dripproof Pool Pump Motors
  • Replacement motors work with most leading tub, spa, and above-ground pool pumps with threaded-shaft drives. 12 and 3 o'clock conduit entries provide wiring flexibility. Shaft: steel, 3/8-16 UNC-2A RH threaded 1/2" from end, 2-3/8"L, except CCWLE 5PB57 is 3/8-16 UNC-2A LH threaded 1/32" from end, 2-5/32"L.
  • All motors are UL Recognized and CSA Certified, except 12N867 and 16U424 to 16U428 are UL Recognized only.
  • Service factor: 1.0, except 16U419 and 16U423 are 1.5 Insulation: Class B, except 16U424 and 16U427 are F Max. ambient: 40 C, except 16U428 and 16U424 are 50 C Thermal protection: auto Bearings: ball

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