Please choose country and language

General information
RoHS-compliant Yes
Cooling and mounting type Wall mounting
Certifications
CE 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
Isolation voltage type test 4,000 VAC
Intrinsically safe Yes (for operating voltages ≥ 500 VDC)
Variant
RB1, RB2 Terminals with tension spring technology
PE M4 threaded bolt
Shield connection Yes, on the terminal box via high-strength cable gland
Terminal connection cross section
Flexible and fine-stranded wires
With wire end sleeves 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 IP65
Hanging vertically
Connection box, bottom IP65
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 332 mm
Weight 2.4 kg
Material number:
8B0W0045H000.001-1
Description:
  • Compact design
  • High peak load capacity
  • Intrinsically safe
  • IP65 protection
  • Optimally suited for B&R drive systems
Braking resistor, 450 W, 50 R, IP65, terminals
Certificates Version (Date) Download
ACOPOSmulti KC certificates ZIP / 2 MB
Declaration Servos ACOPOSmulti PDF / 285 KB
Declaration of conformity Servos PDF / 163 KB
Documentation Version (Date) Download
ACOPOS User´s Manual PDF / 71 MB
ACOPOSmulti User´s Manual PDF / 302 MB
Datasheet 8B0W0045H000.001-1 PDF / 706 KB
M-CAD (Mechan. Templates) Version (Date) Download
3D file STEP 8B0W0045H000.001-1 ZIP / 1 MB

Please choose country and language

B&R Logo