8B0W0045H000.000-1

General information
RoHS-compliant Yes
Cooling and mounting type Wall mounting
Certifications
CE Yes
UKCA Yes
KC Yes
Braking resistor
Continuous power depending on mounting orientation
Standing horizontally 388 W
Hanging vertically 424 W
Reduction of continuous power depending on ambient temperature 7.5 W/K (starting at 40°C)
Ohmic resistance 50 Ω ±10%
Max. operating voltage 850 VDC
Insulation voltage type test 4,000 VAC
Intrinsically safe Yes (for operating voltages ≥500 VDC)
Variant
RB1, RB2 Terminals with tension spring technology
PE M5 threaded bolt
Shield connection Yes, on the connection box via high-strength cable gland
Terminal connection cross section
Flexible and fine-stranded wires
With wire end sleeve 1.5 to 10 mm²
Approbation data
UL/C-UL-US 24 to 6 AWG
CSA 22 to 6 AWG
Terminal cable outer cross section dimension of attachment cable 9 to 16.6 mm
Temperature model data
Thermal resistance between braking resistor and environment depending on mounting orientation
Standing horizontally 1.657 K/W
Hanging vertically 1.517 K/W
Thermal capacity 30.88 Ws/K
Max. permissible overtemperature 683°C
Operating conditions
Permissible mounting orientations
Standing horizontally Yes
Hanging vertically
Connection box, bottom Yes
Connection box, top No
Degree of protection per EN 60529
Standing horizontally IP20
Hanging vertically
Connection box, bottom IP21
Connection box, top -
Ambient conditions
Temperature
Operation -40 to 90°C
Relative humidity
Operation 5 to 95%
Mechanical properties
Dimensions
Width 124 mm
Height 121 mm
Depth 403 mm
Weight 2.4 kg
Номер модель:
8B0W0045H000.000-1
Описание:

8B0W external braking resistors can be used to dissipate braking energy with B&R drive systems.

  • Compact design
  • High peak load capacity
  • Intrinsically safe
  • IP20 protection
  • Optimally suited for B&R drive systems
Braking resistor, 450 W, 50 R, IP20, terminals

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