5-3 Associated Equipment
AC30V series Variable Speed Drive
Dynamic Braking Resistors
We can supply suitable braking resistors, found on the following pages. Alternatively, you can use the calculation on page 5-5 to help you
select alternative resistors.
We recommend using a thermal overload switch to protect the braking circuit. Refer to page 5-4. IMPORTANT
♦ The AC30V unit must be fitted with external braking resistors if braking is required.
WIRING DETAILS
Figure 5.1 External Braking Resistor
Do not apply external voltage sources (mains supply or
otherwise) to either of the braking terminals: DB+, DB. This can
lead to damage to the drive and installation, and risk to
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