electrical center b2c

42mm 42GP-775 Planetary Gear DC Reduction Motor

Name: 42mm 42GP-775 Planetary Gear DC Reduction Motor
Brand: electrical center b2c
SKU: Single 42GP-775 Motor / DC12V (Shaft Length 10MM) / 1600RPM- 1.3KG.CM
Price: 44.85 USD
Availability: InStock

$44.85 USD

~~$84.17 USD~~ $44.85 USD

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Motor Config. Single 42GP-775 Motor 42GP-775 Motor + Mounting Bracket 42GP-775 Motor + Speed Controller 42GP-775 Motor + Mounting Bracket + Speed Controller

Voltage&Shaft Length DC12V (Shaft Length 10MM) DC24V (Shaft Length 10MM) DC12V (Shaft Length 8MM) DC24V (Shaft Length 8MM)

Product variants

Quantity

SPECIFICATIONS

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Brand Name: Electrical Center B2C

Shaft：8MM/10MM

The 42GP-775 is a 42mm outer diameter brushed DC planetary gear motor. It's core features are high torque and an all-metal gear structure, making it widely used in robotics, smart home automation, and power tools.

Specification

Attribute (属性)	Value (值)
Model / MPN	42GP-775
Product Type	DC Planetary Gear Motor
Voltage	12V / 24V DC
Speed Range	8 RPM - 1600 RPM
Power	15W - 21W
Max Torque	253 KG.CM
No-load Current	0.3A - 0.5A
Shaft Diameter	8MM/10mm
Shaft Type	D-Type Shaft (Flat side for coupling)
Rotation	Reversible / CW & CCW
Material	All-Metal Gearbox & Gears
Weight	Approx. 750g

This is a Parameter Sheet for the 42GP-775 series geared DC motors, with two variants: 12V and 24V models.

1. Core Specifications Overview

Motor Model: 42GP-775
No-load Original Speed (before deceleration): 6,000 RPM
Voltage Options: 12V / 24V DC
Reduction Ratio Range: 3.7 ~ 721.0
Key Parameters Listed:
- Reduction Ratio
- Shaft Length (L, mm)
- No-load Speed & Current
- Rated Load Speed, Current, Torque & Power
- Locked-rotor Current & Torque (marked "No Blocking" for higher ratios)

2. 12V 42GP-775 Motor Data

Reduction Ratio	Shaft Length (mm)	No-load Speed (RPM)	No-load Current (A)	Rated Speed (RPM)	Rated Current (A)	Rated Torque (kg·cm)	Rated Power (W)	Locked-rotor Current (A)	Locked-rotor Torque (kg·cm)
3.7	31.2	1600	0.5	1300	3.2	1.3	15	19	7.6
5.18	31.2	1160	0.5	950	3.2	1.9	15	19	10.7
13.7	42.0	440	0.5	335	3.2	3.8	15	19	18.3
19.0	42.0	310	0.5	260	3.2	7.0	15	19	30
27.0	42.0	220	0.5	180	3.2	10.0	15	19	44
51.0	52.8	120	0.5	95	3.2	13.8	15	19	56
71.0	52.8	85	0.5	66.5	3.2	24	15	No Blocking	-
99.5	52.8	60	0.5	46	3.2	32	15	No Blocking	-
139.0	63.6	43	0.5	35	3.2	45	15	No Blocking	-
188.6	63.6	32	0.5	26	3.2	61	15	No Blocking	-
263.7	63.6	23	0.5	18	3.2	85	15	No Blocking	-
368.8	63.6	16	0.5	13	3.2	120	15	No Blocking	-
515.6	63.6	12	0.5	10	3.2	168	15	No Blocking	-
721.0	63.6	8	0.5	6.8	3.2	235	15	No Blocking	-

3. 24V 42GP-775 Motor Data

Reduction Ratio	Shaft Length (mm)	No-load Speed (RPM)	No-load Current (A)	Rated Speed (RPM)	Rated Current (A)	Rated Torque (kg·cm)	Rated Power (W)	Locked-rotor Current (A)	Locked-rotor Torque (kg·cm)
3.7	31.2	1600	0.3	1300	2.0	1.3	21	13	10
5.18	31.2	1160	0.3	950	2.0	2.3	21	13	14
13.7	42.0	440	0.3	377	2.0	6.0	21	13	31
19.0	42.0	310	0.3	260	2.0	8.4	21	13	36
27.0	42.0	220	0.3	180	2.0	12	21	13	52
51.0	52.8	120	0.3	100	2.0	20	21	No Blocking	-
71.0	52.8	85	0.3	72	2.0	30	21	No Blocking	-
99.5	52.8	60	0.3	46	2.0	44	21	No Blocking	-
139.0	63.6	43	0.3	35	2.0	57	21	No Blocking	-
188.6	63.6	32	0.3	29	2.0	66	21	No Blocking	-
263.7	63.6	23	0.3	18	2.0	92	21	No Blocking	-
368.8	63.6	16	0.3	13	2.0	130	21	No Blocking	-
515.6	63.6	12	0.3	10	2.0	180	21	No Blocking	-
721.0	63.6	8	0.3	6.8	2.0	253	21	No Blocking	-