CHIHAI MOTOR BL370 Brushless DC Motor with Integrated Driver, 11.1V

CHIHAI MOTOR

$80.19 USD

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Configuration BL370-F Terminal Motor BL370-F Motor with Integral Leads BL370-F Terminal Motor + Spade-Terminal Lead Pair

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Overview

The CHIHAI MOTOR BL370-F is a flat-profile brushless motor with an integrated commutation driver, a finned aluminum-alloy housing and a D-shaped output shaft. Choose the terminal version, the motor with integral leads or the terminal motor with a separate spade-terminal lead pair.

Features

Integrated brushless drive with marked positive and negative DC power connections.
11.1V/44,000 rpm and 7.4V/33,000 rpm speed references.
Compact 43.6 ×24 ×19.7 mm assembly references with a 32 mm body.
2 mm shaft with a 1.5 mm D-flat and 9.5 mm projection.
CNC aluminum-alloy housing, anodized finish and external cooling fins.
N50UH NdFeB magnet material.

Specifications

Specification	Value / configuration
Brand / model	CHIHAI MOTOR / BL370-F flat-profile brushless motor
Drive construction	Integrated brushless commutation driver; marked positive/negative DC power inputs
Reference supply / speed	11.1V DC /44,000 rpm;7.4V DC /33,000 rpm
Assembly dimensions	43.6 ×24 ×19.7 mm references
Body length	32.0 mm
Output shaft	2.0 mm diameter;1.5 mm D-flat;9.5 mm projection;6.5 mm flat-length reference
Other drawing references	1.6 mm front offset;6.5 mm front register;2.1 mm rear terminal projection;6.3 mm rear register reference
Housing	CNC-machined aluminum alloy with anodized finish and external fins
Magnet material	N50UH NdFeB
Motor weight	Approximately52 g reference
Integral lead version	75 mm lead length;20AWG
Separate spade-terminal lead pair	14 cm length;22AWG;0.32 mm² reference; included only in the named package
Power polarity	Follow the marked+ and− inputs. Reversed polarity can damage the integrated driver and motor

Electrical Performance

The BL370-F operating-point table below is referenced to 11.1V DC. No-load, stalled, maximum-efficiency and maximum-output-power conditions are different points; they do not describe one simultaneous operating condition. Stall current and torque are not continuous operating ratings.

Condition	Speed	Current	Torque	Efficiency	Output power
No load	44,000 rpm	1.00 A	—	—	—
Stall	0 rpm	66.9 A	146.2 mN·m	—	—
Maximum-efficiency point	39,209 rpm	8.18 A	15.93 mN·m	72.02%	65.4 W
Maximum-output-power point	22,000 rpm	33.98 A	73.12 mN·m	44.68%	168.5 W

Terminal-Configuration Reference

The terminal configuration has the following separate 11.1V reference values. Keep this configuration-specific set separate from the operating-point table above.

Configuration / supply	No-load speed	No-load current	Stall torque	Stall current
Terminal configuration at 11.1V	44,000 rpm	1.10 A	146.5 mN·m	66.1 A

Use a power supply, conductors and switching equipment suited to starting and load current. Avoid overload, blocked-shaft operation and prolonged stalling. The11.1V performance curves show speed, current, efficiency and output power against torque; they are reference curves, not an additional operating limit or continuous-duty guarantee.

Wiring and Polarity

Observe the motor's marked+ and− power connections. Reversed polarity can damage the integrated driver and motor. Do not reverse the supply leads to change direction. Check the physical terminal marks before connection, since photographic viewing direction can differ.

The integral-lead version has 75 mm 20AWG leads. The separate spade-terminal pair is 14 cm long with 22AWG/0.32 mm² references. This pair is included only in the package that names it; it is a different configuration from permanently attached leads.

The integrated driver provides brushless commutation at the motor's DC inputs. Check the intended power/control arrangement against those inputs; an external speed-control signal interface is not specified for this model.

Mechanical Installation

Check the 2 mm shaft,1.5 mm flat,9.5 mm projection and complete housing dimensions against the coupling and available clearance. Keep the housing fins exposed to appropriate airflow and prevent contact with the rotating shaft. The N50UH designation identifies magnet material and does not establish a complete-motor operating-temperature rating.

Applications

For compatible compact high-speed mechanical drives where the supply, current demand, shaft geometry, mounting envelope and load match this motor. Check the mechanism's operating point and power connection before integration.

What's Included

Selected configuration	Contents
BL370 Brushless Motor — Terminal Type	1 × terminal-type BL370-F motor
BL370 Brushless Motor — Integral Leads	1 × BL370-F motor with attached red/black leads
BL370 Brushless Motor + Spade-Terminal Lead Pair	1 × terminal-type motor and 1 × red/black spade-terminal lead pair

Each selection includes one BL370-F motor. A power supply, battery, external control equipment, mounting bracket and mechanical coupling are not included. The separate spade-terminal lead pair is included only in its named package.

FAQ

Can direction be changed by reversing the power wires?

No. Reversed polarity can damage the integrated driver and motor. Follow the physical+ and− marks.

What is the difference between the two lead configurations?

The integral-lead motor has 75 mm 20AWG leads. The spade-terminal package contains a terminal motor and a separate 14 cm 22AWG lead pair.

Are 44,000 rpm and 66.9 A one running operating point?

No. 44,000 rpm is the no-load reference, while 66.9 A is a stalled-current reference in the BL370-F operating-point table.

Does the motor include a brushless drive?

Yes. Brushless commutation electronics are integrated, with marked positive/negative DC supply inputs. Match the external power/control arrangement to those inputs.

Does N50UH specify the motor's operating temperature?

No complete-motor temperature rating is established by the magnet-material designation. Account for the actual load, electrical input and heat dissipation.