5251-2 – Current Regulated Power Supply
Product Description
Model 5251-2 is an open frame, 0-1A current regulated power supply for use with Magtrol hysteresis brakes and clutches. It has a high input impedance that allows for a variety of sensors and transducers to be used. It features a selectable 0-100 mV/0-5 VDC monitor out that allows connection to a PLC, voltmeter, display or other monitoring device. This allows the user to monitor the current applied directly to the brake or clutch, if desired. With regulated current, torque drift caused by temperature changes within the brake coil is eliminated. Braking control is enabled by using either a 10-turn potentiometer or by an external 0–5 VDC control signal.
Ordering Information
| 5251-2 | Current Regulated Power Supply 115 VAC |
| 5251-2A | Current Regulated Power Supply 230 VAC |
Specifications
| Brake Voltage |
24 VDC |
| Current Ranges |
0-200 mA, 0-500 mA, 0-1000 mA |
| Current Regulation |
±1% Full Scale |
| Braking Control |
10-Turn Potentiometer or
0-5 VDC External Control |
Current Monitor
Output |
Selectable Ranges:
0-200 mV DC
0-500 mV DC
0-1000 mV DC
0-5 V DC |
Line Fuse
(5 x 20 mm) |
5251-2: 115 V IEC 1.0 A 250 V T
5251-2A: 230 V IEC 0.4 A 250 V T |
Brake Fuse
(5 x 20 mm) |
IEC 1.25 A 250 V T |
Power
Requirements |
70 VA |
Voltage
Requirements |
115/230 VAC 50/60 HZ |
Max. Compliance
Voltage |
45 VDC |
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[post_content] => Since 1953, Magtrol has created literally thousands of special and modified brake and clutch designs to help solve specific application problems for our customers.
Common Specials and Modifications Include:
- Non-Standard Coil Voltages
- Special Shaft Configurations: keyways, flats, holes, hollow
- Extended Shafts
- Forced Air Cooled Brakes
- Adjustable Permanent Magnet Brakes
- Speed Pickups
- Special Mounting Configurations
- Nonstandard Lead: material, lengths, location
- Higher Torque Devices
- High Speed Units
- Brake/Clutch Combinations
- Dust Covers
[post_title] => Hysteresis Device Special Designs & Modifications
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[post_content] => The BPM Series Current-Regulated Supply Module is widely used to supply and control the current (up to 3 A) of Magtrol Hysteresis Brakes and Clutches. This compact component is easy to mount (DIN-Rail snap-on) and recommended for easily controlling a wide range of brakes and clutches.
The analog input of the Current-Regulated Supply Module is designed for 0 -10 VDC signals. At the maximum set value of 10 VDC, the output current is adjustable from 0 to 100 %. With the use of adjustable potentiometers, the zero point can be shifted from 0 to 20 %.
[post_title] => BPM Series - Brake Power Module
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[post_content] => Pure Hysteresis Brakes produce torque strictly through a magnetic air gap without the use of magnetic particles or friction components. This method of braking provides far superior operating characteristics (smoother torque, longer life, superior repeatability, high degree of controllability, and less maintenance and down time) which make them the preferred choice for precise tension control during the processing of nearly any material, web or strand.
[post_title] => HB Series - Hysteresis Brakes
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[post_content] => Like the Hysteresis Brake, the Magtrol Hysteresis Clutch develops torque strictly through a magnetic air-gap, ensuring an absolutely smooth transmission of torque from the drive unit to the driven element. Designed to be powered without the use of brushes or slip rings, and being a pure hysteresis device, there is never any fear of contamination due to wear particles or leaky seals. This makes Magtrol Hysteresis Clutches and Brakes ideal for use in food processing and clean room environments.
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[post_content] => Since 1953, Magtrol has created literally thousands of special and modified brake and clutch designs to help solve specific application problems for our customers.
Common Specials and Modifications Include:
- Non-Standard Coil Voltages
- Special Shaft Configurations: keyways, flats, holes, hollow
- Extended Shafts
- Forced Air Cooled Brakes
- Adjustable Permanent Magnet Brakes
- Speed Pickups
- Special Mounting Configurations
- Nonstandard Lead: material, lengths, location
- Higher Torque Devices
- High Speed Units
- Brake/Clutch Combinations
- Dust Covers
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