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The Allen Bradley 50411-002 is a dynamic brake board designed for efficient performance in various drive applications. This board operates with a supported voltage of 460 VAC and is compatible with drive power ratings of 25, 30, 40, and 50 HP, allowing for versatile use.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Dynamic Brake Board |
| Product Line | Miscellaneous Allen Bradley |
| Part Number | 50411-002 |
| Weight | 0.31 lbs (0.14 kg) |
| Supported Drive Voltage | 460 VAC |
| Compatible Drive Power | 25, 30, 40, and 50 HP |
| Braking Torque | Up to 100% Motor Braking Torque |
| Dynamic-Braking Duty Cycle | 20% Duty |
| Maximum Braking Time | 20s |
| Brake Resistor Installation | External To Drive |
| Maximum Resistor Distance | 10 ft |
| External Wiring | 2 Conductors: Minimum 10 AWG |
| Thermal Protection | Brake Resistor Overload Relay Opens The Drive Control Circuit |
The part 50411-002 from Allen Bradley is a dynamic brake board, specifically crafted to enhance braking capabilities in various drive systems. Operating effectively at a voltage level of 460 VAC, this component is compatible with motors rated at 25, 30, 40, and 50 HP, providing flexibility for different applications. The board is engineered to deliver full braking torque, reaching up to 100% of the motor's capacity, thus ensuring effective deceleration of the motor when required.
This dynamic brake board supports a 20% duty cycle for braking applications, allowing it to handle intermittent braking tasks without overheating. Users can deploy this brake board for a maximum braking duration of 20 seconds per cycle, which provides ample time for controlled deceleration. Notably, the installation of the brake resistor is carried out externally from the drive, and users should ensure that the distance from the board to the resistor does not exceed 10 feet.
Wiring for this brake board requires two conductors, adhering to a minimum specification of 10 AWG to ensure adequate power transmission. For safety and reliability, this system includes thermal protection mechanisms. Specifically, an overload relay opens the drive control circuit in case of overheating, protecting both the drive and brake components from potential damage due to excessive thermal stresses.