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Transparent cast-iron unit bearing motor with stud mount

Em&S

Em&S UTBEC1551BJR1 hvac control 1/15 hp 115V 550 RPM

SKU CH-EQHH-FVPEX

Single-phase ECM unit bearing motor delivers 1/15 hp at 550 RPM on 115 V AC, drawing 1.2 A with auto thermal protection in a totally enclosed cast-iron frame

  • Product colorTransparent
  • 1/15 hp ECM motor delivers 50 W output for efficient HVAC airflow
  • Single-speed 550 RPM design provides consistent rotation at 60/50 Hz
  • Auto thermal protection and Class B insulation allow 40 °C ambient operation
  • Totally enclosed air-over cast-iron frame resists moisture and debris ingress
  • Stud mounting supports horizontal or vertical shaft-down installation flexibility

Em&S Unit Bearing Motor 1/15 hp

The Em&S UTBEC1551BJR1 is a single-phase ECM unit bearing motor rated at 1/15 hp and 550 RPM. It operates on 115 V AC at 60/50 Hz with a full-load current of 1.2 A. The motor delivers 50 W output and features Class B insulation with automatic thermal protection. It is designed for horizontal or vertical shaft-down mounting in HVAC applications.

Cast iron frame with stud mounting

The motor uses a totally enclosed air-over enclosure with a cast iron frame for durability. Its non-standard frame incorporates a stud mounting type that simplifies installation in compatible equipment. The transparent color housing allows visual inspection of internal components. The shaft rotates counter-clockwise from the lead end and the unit is rated for a maximum ambient temperature of 40 °C.

115 V only, not usable at 200 V or 208 V

This motor is specified for 115 V operation only and is not usable at 200 V or 208 V. It provides a single fixed speed of 550 RPM with no multi-speed capability. The 1/15 hp rating limits use to light-duty blower or fan loads. Buyers needing higher torque, variable speed, or dual-voltage flexibility should select a different motor.

How it compares

Measured against everything we stock in Heating & Cooling Controllers, at today’s prices. Recalculated every night.

Price $109.99
Pricier than about 71% of the 1,762 comparable items (median $45.99).

Specifications

Product
Brand nameEM&S
Product colorTransparent

Questions about this item

What does the 115 V AC rating mean for the motor's operating speed?

The motor runs at 550 RPM on single-phase 115 V AC power at 60/50 Hz, delivering 1/15 hp and 50 W output.

How much clearance does the stud-mount cast-iron frame need?

The non-standard frame uses stud mounting and fits horizontal or vertical shaft-down positions; allow space for the cast-iron body and airflow around the totally enclosed air-over enclosure.

How do I wire the ECM unit-bearing motor correctly?

Connect 115 V AC single-phase supply to the motor leads, verify CCWLE rotation, and ensure the auto thermal protector is not tripped before start-up.

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