B&R 8B0W0079H000.000-1

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

MPN: 8B0W0079H000.000-1
Category: Braking resistors

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What is the B&R 8B0W0079H000.000-1?

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, 790 W, 33 R, IP20, terminals

Specifications

General information

Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – CRA (Cyber Resilience Act)	Not applicable
Certifications – UL	UL E208678; Power circuit and motor-mounted apparatus - Component
Certifications – KC	Yes
RoHS-compliant	Yes
Cooling and mounting type	Wall mounting

Motor holding brake connection

Terminal connection cross section – With wire end sleeve	1.5 to 10 mm²
Terminal connection cross section – UL/C-UL-US	24 to 6 AWG
Terminal connection cross section – CSA	22 to 6 AWG

Braking resistor

Continuous power depending on mounting orientation – Standing horizontally	636 W
Continuous power depending on mounting orientation – Hanging vertically	701 W
Execution – RB1, RB2	Terminals with tension spring technology
Execution – PE	M5 threaded bolt
Execution – Shield connection	Yes, on the connection box via high-strength cable gland
Reduction of continuous power depending on ambient temperature	13.2 W/K (starting at 40°C)
Ohmic resistance	33 Ω ±10%
Max. operating voltage	850 VDC
Insulation voltage type test	4,000 VAC
Intrinsically safe	Yes (for operating voltages ≥500 VDC)
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	0.9395 K/W
Thermal resistance between braking resistor and environment depending on mounting orientation – Hanging vertically	0.852 K/W
Thermal capacity	40.68 Ws/K
Max. permissible overtemperature	637°C

Operating conditions

Permissible mounting orientations – Connection box, bottom	Yes
Permissible mounting orientations – Connection box, top	No
Permissible mounting orientations – Standing horizontally	Yes
Degree of protection per EN 60529 – Connection box, bottom	IP21
Degree of protection per EN 60529 – Connection box, top	-
Degree of protection per EN 60529 – Standing horizontally	IP20

Ambient conditions

Temperature – Operation	-40 to 90°C
Relative humidity – Operation	5 to 95%

Mechanical properties

Dimensions – Width	124 mm
Dimensions – Height	121 mm
Dimensions – Depth	603 mm
Weight	3.9 kg

Downloads & documentation

Official documents from B&R, downloaded directly from the manufacturer.

Data sheets & manuals

CAD & dimension drawings

3D file STEP 8B0W0079H000.000-1ZIP · 2 MB · 1.0 (10/01/2010)

Certificates (3)

8B0W0079H000.000-1: frequently asked questions

When can 8B0W0079H000.000-1 be shipped?

8B0W0079H000.000-1 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 8B0W0079H000.000-1 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 8B0W0079H000.000-1 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 8B0W0079H000.000-1, subject to availability and destination.