8B0W0045H000.000-1
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The 8B0W0045H000.000-1 braking resistor boasts a resistance of 50 Ω ±10%, a nominal power of 450 W, and a maximum operating voltage of 850 VDC. As part of the 8B0 ACOPOS Multi Power Supplies series by B & R Automation, it features IP20 ingress protection and wall mounting capabilities.
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Product Description:
8B0W0045H000.000-1 is an external braking resistor. It is designed for used with drive systems from B&R Automation. 8B0W resistors feature a compact design, support high peak loads, are safe to use and are an optimal choice for drive systems manufactured by B&R. The 8B0W0045H000.000-1 resistor is RoHS compliant. It is suited to wall mounting. The resistor is certified by CE, KC, and UKCA. Its continuous power depends on the mounting orientation: it is 388 Watts when standing horizontally and 424 Watts when handling vertically. Resistance of the resistor is 50 Ohms with ±10 tolerance. The maximum operating voltage is 850 Volts DC. Insulation on the unit has been tested at 4,000 Volts AC. Operating temperature range for the unit extends from -40 to 90 degrees Celsius. Starting at 40 degrees Celsius, the continuous power derates by 7.5 W/K.
When fine-stranded and flexible wires are used for the terminal connections, the recommended wire size is 1.5 to 10 mm2. As per CSA, the approved wire size is 22 to 6 AWG. As per UL, the approved wire size is 24 to 6 AWG. The outer cross-section of the attachment cable must be within 9 to 16.6 mm2. Thermal capacity of the 8B0W0045H000.000-1 resistor is 30.88 Ws/K. The permitted maximum overtemperature for the unit is 683 degrees Celsius. The manufacturer allows vertical and horizontal mounting of the unit. When standing horizontally, its protection class is IP20. When hanging vertically with connection box at the bottom, its protection class is IP21. Mechanical specifications for the resistor include 2.4 kilograms weight and dimensions at 121 x 124 x 403 millimeters. Only trained professionals should install and operate the unit.
Frequently Asked Questions about 8B0W0045H000.000-1:
Q: Where is the resistor use?
A: The resistor is used with B&R drive systems.
Q: What is the weight of the unit?
A: Weight of the resistor is 2.4 kilograms.
Q: What are the resistor dimensions?
A: Dimensions of the resistor are 121 x 124 x 403 mm.
Q: What is the operating temperature?
A: The operating temperature is -40 to 90 degrees Celsius.
Q: Is the resistor certified?
A: It is certified by CE, UKCA, and KC.
