products

QF Series

The ideal gearmotor for a wide variety of product
applications. Dependability and versatility have
made the QF Series the most popular selling
Merkle-Korff gearmotor. Available with a broad
selection of gearing and custom modifications.

Torque: Up to 125 inch lbs. (14.13 Nm)
Speed: 3 to 600 rpm*

Description

Type: Zinc die cast DC gearmotor
Output speeds: 3 to 600 rpm*
Voltage: Windings up to 48 vdc; 12 and 24 vdc
standard
Bearings: Self-aligning sintered bronze with large
oil reservoir
Termination: Spade terminals or leads
Duty Cycle: Intermittent or continuous
Motors Available: Motors Available: 2500 series, LY, 500 series, 300 series
Rotation: Reversible

Typical Applications

Food processing and restaurant equipment
· Vending · Medical equipment · Security
systems · Instrumentation · Production
machinery and equipment · Valve actuators
· Industrial controls · Switch gear

Optional Features

Customized output shafts (see output shaft
section) · Double output shaft extension
· Various lead lengths, termination and custom
harnesses · Needle bearings for high radial loads
· Various mounting options including case
mounting · Replaceable brushes on the 2500
series motor · Class B (130°C) or Class F (155°C)
armature insulation · Ball bearings in the motor
for longer life · EMI filtering for electronic motor
controls · RFI varistor to reduce conducted
emissions available on 2500 series and LY
· Encoders/tachometers (see accessories section)

*Note: Speed and torque combinations will vary depending on the motor/gearbox combination.

Caution: Use appropriate torque limiting device (e.g. slip clutch) when applying gearmotors with high reduction
ratios as the available torque can exceed gearbox rating.