Power Rating (Continuous): 1600 W — B2 designation

Peak Power (10 s): 3200 W

Thermal Class: Class F (155°C max element temperature)

Enclosure: Aluminum housing, ventilated, IP20

Dimensions (L×W×H): Approximately 260 mm × 80 mm × 125 mm

Weight: Approximately 3.8 kg

Terminal Type: Screw terminals, 6 mm² max wire

Mounting: DIN rail (TS 35) or panel mount with brackets

Compatible Drives: Kollmorgen AKD series, AKM series (when external brake resistor required)

Operating Temperature: -10°C to +50°C

Key Features:

• Dissipates regenerative energy from servo drives during deceleration
• Prevents DC bus overvoltage fault
• Aluminum housing for efficient heat dissipation
• No moving parts — maintenance-free

Model Suffix Decoding — B-404-B-A3-B2:

• B-404 = Base model number
• B = Braking resistor type
• A3 = 3.6 Ω resistance
• B2 = 1600 W continuous power

Applicable Industries: Any application using Kollmorgen servo drives with high inertial loads or frequent deceleration — CNC machines, robots, conveyors, cranes, elevators

Installation Requirements:

• Mount in well-ventilated area, minimum 100 mm clearance on all sides
• Connect to drive DC bus terminals (P+, N-) via 6 mm² copper cable, max length 3 m
• Use fast-acting fuse on resistor lead (rated 1.5× max current)
• Ground resistor housing to PE earth