40 & 50 Series Brakes
Dings | Small-Frame Motor Brakes | 3/8 to 6 lb-ft
Dings 40 & 50 Series Brakes
Compact spring-set brakes for small motors
The Dings 40 and 50 Series are compact, spring-set, electrically released disc brakes for small AC and DC motors. They stop and hold loads on light conveyors, packaging equipment, doors and small machinery, and retrofit easily to existing motors.
✔ 40 Series: selectable 3/8 or 3/4 lb-ft torque
✔ 50 Series: 1.5 to 6 lb-ft on a 3.00 in. C-face register
✔ Dripproof NEMA 2, IP40 enclosures
✔ Manual release and external wire outlet options
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The 40 Series uses one or two rotating friction discs to give 3/8 or 3/4 lb-ft from the same brake. The 50 Series covers 1.5 to 6 lb-ft with internal or external wire outlets and a deadman manual release.
Brake Styles
Every standard 40 & 50 Series brake style, with its torque range, motor frames, enclosure and manual. Specifications are from Dings published data.
| Brake style | Torque | Motor frames | Enclosure | Manual | |
|---|---|---|---|---|---|
![]() | 50 Series End Mount without Manual Release Base models: 51001-05A, 51003-05A, 51006-05A | 1.5 to 6 lb-ft | Small C-face motors (AK 3.00 in. register) | NEMA 2, IP40 | BK4618 |
![]() | 50 Series End Mount Base models: 51001-050, 51003-050, 51006-050 | 1.5 to 6 lb-ft | Small C-face motors (AK 3.00 in. register) | NEMA 2, IP40 | BK4618 |
![]() | 50 Series End Mount with Manual Release and External Wire Outlet Base models: 51001-080, 51003-080, 51006-080 | 1.5 to 6 lb-ft | Small C-face motors (AK 3.00 in. register) | NEMA 2, IP40 | BK4618 |
![]() | 40 Series End Mount with Manual Release Base models: 40000-013 | 3/8 and 3/4 lb-ft | Small AC and DC motors | NEMA 2, IP40 | BK4042 |
![]() | 40 Series End Mount without Manual Release Base models: 40000-012 | 3/8 and 3/4 lb-ft | Small AC and DC motors | NEMA 2, IP40 | BK4042 |
Specifications & Options
| Torque range | 3/8 to 6 lb-ft |
|---|---|
| Reaction time | 15-20 milliseconds (release and set) |
| Maximum speed | 3600 rpm |
| Thermal capacity | 4 HPS/Min |
| C-face register | 3.00 in. AK / 3.75 in. AJ |
| Coils | Single phase AC |
| Enclosures | NEMA 2 |
Design features
Selectable torque: Two rotating friction discs are used for 3/4 lb-ft torque and one friction disc is used for 3/8 lb-ft torque. Retrofit to small AC and DC motors. Plated internal parts – RoHS compliant.
Available options
Adapter to Next larger Frame Size · Tropical Protection · Class H Insulation
Special voltages, hub bores and torques are available. Ask us.
Rebuilds & Replacement
Gordon Russell is an authorized Dings distributor and rebuilds Dings brakes in our shop: friction discs, coils, springs, seals and hubs, tested before they go back out. Send us the model number from the nameplate, or the motor HP, RPM, frame and voltage, and we will quote a rebuild or a new brake. We can also match a Dings brake to replace other makes.
Brake Selector
Filter all 78 Dings brake styles by torque, NEMA frame, enclosure and mounting.
Open the Brake Selector →Dings brakes: All Electric Motor Brakes | 40 & 50 Series | 60 Series | 70 Series | 80 & 90 Series | Double C-Face | Hazardous & Naval | Brake Selector
FAQ
Yes. The 40 Series is designed to retrofit to small AC and DC motors. Send us the motor details and we will confirm the fit and hub bore.
Two rotating friction discs give 3/4 lb-ft and one disc gives 3/8 lb-ft, so the same brake covers both ratings.
Standard single-phase AC coils from 115 V to 575 V, with special voltages available. Tell us your supply when you request a quote.
Yes. We rebuild and repair Dings brakes in our shop, including friction disc and coil replacement.
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