// Industrial Power Connectors

VFD Dynamic Braking Transistor

Dynamic braking transistor modules in variable frequency drives use screw terminals for connecting external brake resistors to the DC bus for dissipating regenerative energy during rapid motor deceleration.

// Specifications

Standard

Generic VFD braking circuit

Voltage

500V to 1200V DC bus

Current

Depends on drive rating

Terminals

P B or BR connections

Use Case

VFD deceleration braking crane hoist centrifuge

Note

Resistor must be rated for duty cycle

// generating diagram...

// Pin Reference Table

Pin	Name	Function	Type
P	DC Positive	DC bus positive to braking IGBT	PWR
B	Brake	External brake resistor connection	PWR
N	DC Negative	DC bus negative	GND