Universal Robots UR3e

4.5. Circuit Breaker Installation
Use a double pole circuit breaker to protect the power input connector, as it can also be used as a
switch. If a fuse is used, then a two-pole switch must be installed between the fuse and power input
connector.
The following illustration shows the circuit breaker wiring scheme.
1 OEM power input 2 Circuit breaker
CAUTION
Failure to install appropriate fuses or circuit breakers can result in equipment
damage or personnel injury.
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The installation shall comply with the standard IEC 60364.
Installation Guide OEM Control Box
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