Smart Lock Motor GM6623FD
The GM6623FD-0001 smart lock motor is a compact 7.4 VDC micro DC gear motor designed for electronic lock, cabinet lock, and access-control mechanisms that require a geared external output, bidirectional rotation, and stable speed/current control. According to the supplied engineering drawing, this model uses a 1:83 reduction ratio and provides 96±12% RPM no-load speed, 81±10% RPM rated speed, ≤0.30 A no-load current, ≤0.6 A rated current, 1.0 kgf·cm rated torque (reference), and ≥5.0 kgf·cm stall torque.
Product Overview
The GM6623FD-0001 smart lock motor is a compact 7.4 VDC micro DC gear motor designed for electronic lock, cabinet lock, and access-control mechanisms that require a geared external output, bidirectional rotation, and stable speed/current control. According to the supplied engineering drawing, this model uses a 1:83 reduction ratio and provides 96±12% RPM no-load speed, 81±10% RPM rated speed, ≤0.30 A no-load current, ≤0.6 A rated current, 1.0 kgf·cm rated torque (reference), and ≥5.0 kgf·cm stall torque. The drawing also shows a compact side-mounted output-gear structure, a 2423 driving motor, and a CW/CCW rotation specification, making the product suitable for smart door lock transmission, locker lock actuation, compact access-control devices, and customized locking mechanisms. For final project selection, the gearmotor should be evaluated against the real latch or bolt load, minimum supply voltage, current limit, stall-protection strategy, duty cycle, noise target, and mechanical mounting relationship.
Model Information
| Model | Motor Type | Product Category |
| GM6623FD-0001 | DC Brushed Gearmotor | Smart Lock / Electronic Lock Motor |
Main Parameters
| Rated Voltage | 7.4 VDC |
| Gear Ratio | 1:83 |
| No-Load Speed | 96±12% RPM |
| Rated Speed | 81±10% RPM |
| Rated Torque | 1.0 kgf·cm REF |
| Stall Torque | ≥5.0 kgf·cm |
| Rotation Direction | CW / CCW |
| Noise | ≤60 dBA (L = 300 mm) |
Gearmotor Technical Data
| Gearmotor Model | Ratio | Voltage | No-Load Speed | No-Load Current | Rated Speed | Rated Current | Rated Torque | Stall Current | Stall Torque |
| GM6623FD-0001 | 1:83 | 7.4 VDC | 96±12% RPM | ≤0.30 A | 81±10% RPM | ≤0.6 A | 1.0 kgf·cm REF | ≤3.2 A | ≥5.0 kgf·cm |
Mechanical Interface & Mounting
| Overall assembly height shown | 67 mm |
| Main side-plate length shown | 55 mm |
| Main body depth shown | 30.2 mm |
| Mounting pattern | 4-M3×0.5 threaded holes shown |
| Output gear | Module 1.25; 12 teeth; pressure angle 20°; tip diameter φ17.5; material H62 |
| Driving motor | 2423 brushed DC motor |
| Lead wire / connector | UL1571 26AWG; 1.25-4P connector |
| Rotation reference | CW / CCW |
Dimension Drawing
Engineering Advantages for Smart Lock Projects
Compact external-gear smart-lock actuator
The GM6623FD-0001 drawing shows a compact geared structure with an external output-gear arrangement, which is suitable for smart-lock mechanisms requiring limited installation space and defined gear engagement with the customer lock body.
7.4 VDC drive matching
The supplied drawing specifies 7.4 VDC rated voltage. This makes the motor suitable for battery-powered or controlled low-voltage lock systems, provided that the project also verifies performance at the real minimum operating voltage.
Controlled speed and current for lock actuation
The engineering data provides 96±12% RPM no-load speed, 81±10% RPM rated speed, ≤0.30 A no-load current, and ≤0.6 A rated current. These values help engineers evaluate action time, power consumption, and controller matching in the lock system.
Output gear ready for mechanism integration
The drawing lists the output-gear parameters as module 1.25, 12 teeth, pressure angle 20°, tip diameter φ17.5, and H62 material. This is useful for coordinating the gear mesh, lock-body linkage, and transmission design during project evaluation.
Stall-protection design required
The drawing specifies ≤3.2 A stall current and ≥5.0 kgf·cm stall torque. Although stall torque is an important design reference, smart-lock control should avoid long-duration stall by using current limiting, action timeout, end-position control, or mechanical protection.
Bidirectional and customization-oriented engineering
CW/CCW rotation is supported. Gear ratio, motor operating point, lead wire, connector, output-gear interface, noise target, and reliability target can be evaluated around the actual smart-lock structure and acceptance standard.
Main Applications
Smart Door Locks
Drive for latch / bolt transmission mechanisms requiring compact packaging, geared output, and repeatable opening / closing motion.
Electronic Cabinet & Locker Locks
Suitable for compact electromechanical locking mechanisms where installation space, current control, and consistent actuation are important.
Hotel / Access-Control Lock Mechanisms
Can be evaluated for lock-body actuation requiring repeated cycles, bidirectional operation, and defined electrical / mechanical interfaces.
Customized Locking Mechanisms
For non-standard lock bodies, the motor, ratio, output gear, lead wire, and connector can be evaluated against the customer mechanism and test standard.
Customization Range
Electrical Configuration
Rated voltage / winding matching, rotation direction, lead wire length, and connector options can be evaluated for the project.
Performance Matching
Gear ratio, target output speed, rated load point, current limit, and torque margin should be matched to the real lock mechanism and duty cycle.
Mechanical Interface
Output gear interface, mounting features, housing connection, and transmission relationship with the customer lock body can be customized or evaluated from drawings and samples.
Noise & Reliability
Gear meshing, backlash, lubrication, motor operating point, assembly consistency, and complete-lock resonance should be evaluated in the real product.
Control / System Integration
According to project requirements, the motor can be evaluated together with driver control, end-position logic, current protection, and other system-level requirements used in smart-lock applications.
FAQ
Q1. How can noise be reduced in a smart lock gear motor?
Low-noise performance depends on motor speed, gear material and accuracy, gear ratio, backlash, lubrication, assembly consistency, lock-body resonance, and the control profile. For reliable evaluation, noise should be tested in the actual smart-lock mechanism, including startup, running, reversing, and end-position impact, rather than relying only on no-load motor noise.
Q2. Can the GM6623FD-0001 maintain enough torque when the battery voltage drops?
This must be verified at the lock project’s minimum operating voltage. The supplied drawing provides a 7.4 VDC rated reference, but real smart-lock performance also depends on latch friction, door pressure, controller current limit, temperature, and repeated unlocking conditions. Sample testing should confirm starting current, actuation time, torque margin, and temperature rise.
Q3. How should jam or overload protection be handled in a smart lock motor system?
Protection should be coordinated between the motor, lock mechanism, and controller using methods such as current detection, operation timeout, end-position detection, reverse recovery, mechanical limits, and fault handling. Peak current and abnormal-load duration should be controlled strictly during design validation.
Q4. How do I place an order with Shunli Motor?
Please send us your application requirements or motor specifications. Our engineering team will develop a suitable solution, confirm the technical details, and provide samples for evaluation. Once the samples are approved, we will arrange mass production. Shipping methods can be selected based on your delivery requirements.
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