918D Series Fixed ratio 25mm diameter spur geared motors

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Manufacturer : MFA
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Suitable for light industrial, educational, modelling and R&D applications. They are of metal construction and fitted with quality 3 pole motors with carbon brushgear. Available in 1.5-3V or 12-24V options, they have 4mm diameter central output shafts with key flats.

For speed regulation see panel mounted PWM speed regulator (see order code 37-1245). (Not for use below 6V operation)

Designed for heavy duty industrial and model applications.
Robust unit boasts a powerful high quality motor
Sintered Steel bearings
Precious metal motor brushes
No maintenance is required
Gears are equally efficient in either direction
3 versions available (please see specification or price panel)
MFA/Como 918D series

Product details Hints & Tips

Description	Code	RoHS	Datasheets	1+	5+	10+

Manufacturer Part #: 918D151/1 Gearbox and Motor 15:1 4mm Shaft 1.5-3.0V	37-1085			£9.08	£7.64	£7.00	In stock despatch same day	Buy
Manufacturer Part #: Unavailable Gearbox and Motor 15:1 4mmshaft 12-24v	37-1086			£9.97	£8.38	£7.71	In stock despatch same day	Buy
Manufacturer Part #: 918D301/1 Gearbox and Motor 30:1 4mm Shaft 1.5-3v	37-1226			£9.06	£7.36	£6.93	In stock despatch same day	Buy
Manufacturer Part #: 918D30112/1 Gearbox and Motor 30:1 4mmshaft 12-24v	37-1228			£10.02	£8.43	£7.89	In stock despatch same day	Buy
Manufacturer Part #: 918D1001/1 Gearbox Motor 100:1 4mm Shaft 1.5-3v	37-1222			£9.06	£7.41	£6.93	In stock despatch same day	Buy
Manufacturer Part #: 918D100112/1 Gearbox Motor 100:1 4mm Shaft 12-24v	37-1224			£10.02	£8.43	£7.89	In stock despatch same day	Buy
Manufacturer Part #: Unavailable Gearbox and Motor 250:1 4mmshaft 1.5-3.0v	37-1087			£9.57	£8.05	£7.39	In stock despatch same day	Buy
Manufacturer Part #: Unavailable Gearbox and Motor 250:1 4mmshaft 12-24v	37-1088			£9.97	£8.38	£7.71	back order Receive stock notification by text or email	Buy
Manufacturer Part #: 918D5001/1 918d5001/1 Gearbox and Motor 500:1 4mm Shaft 1.5 - 3.0v	37-1101			£9.33	£8.66	£8.45	normally despatched 1-2 weeks Receive stock notification by text or email	Buy
Manufacturer Part #: 918D500112/1 918d500112/1 Gearbox and Motor 500:1 4mm Shaft 12 - 24v	37-1102			£9.33	£8.66	£8.45	normally despatched 1-2 weeks Receive stock notification by text or email	Buy
Manufacturer Part #: Unavailable Gearbox and Motor 1024:1 4mmshaft 1.5-3.0v	37-1089			£10.17	£8.52	£7.84	In stock despatch same day	Buy
Manufacturer Part #: Unavailable Gearbox and Motor 1024:1 4mmshaft 12-24v R	37-1090			£11.08	£9.31	£8.52	In stock despatch same day	Buy

Technical Specification

Only part of this technical specification is being displayed. Click here to expand

Motor data
Type	Voltage	Motor output (max. efficency) (W)	Torque (max. efficiency) (g.cm)	Mftrs. part no.	Order Code
15:1 ratio	1.5 to 30V	1.6	20	918D151	37-1085
15:1 ratio	12 to 24V	1.62	25	918D15112	37-1086
30:1 ratio	1.5 to 3V	1.6	20	918D301	37-1226
30:1 ratio	12 to 24V	1.62	25	918D30112	37-1228
100:1 ratio	1.5 to 3V	1.6	20	918D1001	37-1222
100:1 ratio	12 to 24V	1.62	25	918D100112	37-1224
250:1 ratio	1.5 to 3V	1.6	20	918D2501	37-1087
250:1 ratio	12 to 24V	1.62	25	918D250112	37-1088
500:1 ratio	1.5 to 3V	0.44	20	918D5001/1	37-1101
500:1 ratio	12 to 24V	1.60	25	918D500112/1	37-1102
1024:1 ratio	1.5 to 3V	1.6	20	918D10241	37-1089
1024:1 ratio	12 to 24V	1.62	25	918D1024112	37-1090

Reduction table (rpm)
Type	Voltage	Supply Voltage (1.5V)	Supply Voltage (3V)	Supply Voltage (6V)	Supply Voltage (12V)	Supply Voltage (18V)	Supply Voltage (24V)
15:1 ratio	1.5 to 30V	306	613	-	-	-	-
15:1 ratio	12 to 24V	-	-	280	560	840	1120
30:1 ratio	1.5 to 3V	153	306	-	-	-	-
30:1 ratio	12 to 24V	-	-	140	280	420	560
100:1 ratio	1.5 to 3V	46	92	-	-	-	-
100:1 ratio	12 to 24V	-	-	42	84	126	168
250:1 ratio	1.5 to 3V	18	37	-	-	-	-
250:1 ratio	12 to 24V	-	-	17	34	50	67
500:1 ratio	1.5 to 3V	8	15	-	-	-	-
500:1 ratio	12 to 24V	-	-	7.5	16	25	33
1024:1 ratio	1.5 to 3V	4.5	9	-	-	-	-
1024:1 ratio	12 to 24V	-	-	3	7	11	15