Outrunner Permax BL-O 3720-630 333125

Brand: Multiplex

Part No: MPX333125

£61.32 ~~RRP £68.90~~

Backorder: Expected 30th June 2026

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The Multiplex Outrunner Permax BL-O 3720-630 (333125 / MPX333125) is a 630KV brushless outrunner in the 37mm class, suited to 7.2–14.8V setups. With a 5mm shaft and 151g weight, it offers a practical balance of size and performance for a wide range of RC power installations and uses bullet connectors for straightforward hook-up.

Main Specifications

KV rating: 630KV
Voltage range: 7.2–14.8V
Current: 42–55A (peak)
Diameter: 37mm
Length: 46.5mm
Shaft size: 5mm
Weight: 151g

Additional Details

Connector: Bullet
Material: Aluminium
Colour: Black and Silver
Age recommendation: 14+

Suggested Compatibility

2S to 4S LiPo packs
6 to 12 cell NiMH packs

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Specification:

Voltage range (V):	7.2 - 14.8
Current (A):	42 - 55 (peak)
Motor (KV):	630
Diameter (mm):	37
Length (mm):	46.5
Shaft size (mm):	5
Weight (g):	151

Outrunner Permax BL-O 3720-630 333125 Tech Specs:

Outrunner Permax BL-O 3720-630 333125 Key Features:

Specification:
Voltage range (V): 7.2 14.8
Current (A): 42 55 (peak)
Motor (KV): 630

Diameter (mm): 37
Length (mm): 46.5
Shaft size (mm): 5
Weight (g): 151
Suits 2S to 4S LiPo packs.
Compatible with 6 to 12 cell NiMH packs.

Outrunner Permax BL-O 3720-630 333125 Tech Specs:

Weight: 151g / 5.33oz
Shipping Weight: 0.16kg / 0.35lbs
Product Length: 47mm / 1.83in
Product Diameter: 37mm / 1.46in

Connector: Bullet
Age Recommendation: 14+
Colour: Black + Silver
Material: Aluminium

Key Info:

Brand: Multiplex
Part No: MPX333125
Barcode: 4041033101254

Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

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Questions & Answers

Real questions from real customers. Why not ask your own?

I have a Outrunner Permax BL-O 3720-630 333125 motor and the motor adaptor ( X shaped adaptor) between motor and firewall has broken. Can I get a replacement one?

George Scott / 2nd March 2019

The mount from 25319042 should do the trick

Ben @ Wheelspin Models

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