maxon Product Range 2025/26

Brake AB 28 24 VDC, 0.4 Nm

Important information • Permanent magnet — single-face brake for DC (dry operation). Braking in unpowered condition. • Holding brake, prevents rotation of the shaft at standstill or with turned off motor power. • Not suitable for dynamic braking. • It is possible to lower the voltage applied to the brake after it has been energized, for the purpose of reducing heat loss. • Schematic image: does not necessarily reflect the delivery state.

Stock program Standard program Special program (on request)

Part numbers

228389 228390

Type

overall length

overall length

Modular system + Motor

+ Gearhead

+ Sensor

Page

Page

Page

Overall length [mm] / • see Gearhead

RE 40, 150 W 163

115.1

RE 40, 150 W 163 GP 42, 3 - 15 Nm 439–441 RE 40, 150 W 163 GP 52, 4 - 30 Nm 443–444

• • • •

RE 40, 150 W 163

HEDL 9140 540–541 135.6

RE 40, 150 W 163 GP 42, 3 - 15 Nm 439–441 HEDL 9140 540–541 RE 40, 150 W 163 GP 52, 4 - 30 Nm 443–444 HEDL 9140 540–541

EC 45, 150 W 273

118.6

EC 45, 150 W 273 GP 42, 3 - 15 Nm 439–441 EC 45, 150 W 273 GP 52, 4 - 30 Nm 443–444

• • • • • • • • • •

EC 45, 150 W 273

HEDL 9140 540–541

135.6

EC 45, 150 W 273 GP 42, 3 - 15 Nm 439–441 HEDL 9140 540–541 EC 45, 150 W 273 GP 52, 4 - 30 Nm 443–444 HEDL 9140 540–541

EC 45, 250 W 274

151.4

EC 45, 250 W 274 GP 42, 3 - 15 Nm 440–441 EC 45, 250 W 274 GP 52, 4 - 30 Nm 443–444 EC 45, 250 W 274 GP 62, 6.2 - 38.5 Nm 445

EC 45, 250 W 274

HEDL 9140 540–541

168.4

EC 45, 250 W 274 GP 42, 3 - 15 Nm 440–441 HEDL 9140 540–541 EC 45, 250 W 274 GP 52, 4 - 30 Nm 443–444 HEDL 9140 540–541 EC 45, 250 W 274 GP 62, 6.2 - 38.5 Nm 445 HEDL 9140 540–541

Technical data Holding torque Mass inertia Max. speed

Pin allocation

from motor clamp Designation

0.4 Nm Nominal voltage, smoothed

24 VDC ±10% R20 = 92.5 Ω ±6%

10 gcm2 Resistance 16 000 rpm Duty cycle

RE 40

100% Cable green (AWG 20) ≤ 13 ms Cable yellow (AWG 20)

U Brake + 24 VDC U Brake GND U Brake + 24 VDC U Brake GND

– Coupling – Opening

Weight

0.05 kg Reaction time

≤ 27 ms

EC 45 (AWG 18) (AWG 18)

Ambient temperature range

-5…+85°C

Cable No 4 Cable No 5

Min. cable length

500 mm

588 maxon accessories 

© 2025 maxon. All rights reserved. February edition. Subject to change.

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