Product Description

• Estimated Lead Time : 6 - 8 weeks.

• Manufacturer : Danfoss

• Part Number : 131B1399

• Product Type : Brake Resistor (External Dynamic Braking Unit)

• Compatible VFD Series : Danfoss VLT (Used with various drive models, often including the FC 300 series, depending on the power rating).

• Function : Dissipates regenerative energy (excess power) fed back from the motor into the drive's DC bus during braking or when the load is overhauling the motor. This prevents the drive's DC bus voltage from exceeding safe limits and causing a trip.

• Resistance Value : Typically specified as 2.0 Ohms (Exact value is determined by the specific VFD model and frame size it's designed to protect).

• Power Rating : Varies based on duty cycle; designed for high peak power and controlled continuous power dissipation.

• Enclosure : Usually a robust IP20 or equivalent metallic enclosure, designed for mounting external to the drive cabinet.

• Key Feature : Essential for applications requiring fast, repeated, or heavy deceleration of high-inertia loads (e.g., centrifuges, winders, hoists).

• Product Net Weight : Approx. 14.0 Kg (30.9 lbs)

• Approximate Dimensions : A large, rectangular metallic enclosure with cooling fins (size varies but is substantial due to the high power rating).

• Shipping Weight : 15 Kg