Motortronics
Page 17
4 Wiring
4.1 Introduction
• Installation of the brake unit should be done by properly qualified personnel.
• Check local and other applicable codes to ensure that all installation requirements are met prior to operation.
• Prior to beginning the installation, verify that the motor and brake unit have the same voltage ratings.
• Check the unit to verify that it is rated for the appropriate current (approximately equal to the motor FLA if
sized for Standard Duty - see section 1.3).
WARNING!
Do not service equipment with voltage applied! Unit can be source of fatal electrical shocks! To avoid
shock hazard, disconnect main power before working on the unit. Warning labels must be attached to
terminals, enclosure and control panel to meet local codes.
4.2 Line and Load Connections
Power conductors for the Line and Load connections should be, at a minimum, sized at 125% of the current
rating. Brake sizing and duty cycling should be considered when determining if conductors should be oversized
for your application. For example, high torque, fast stop applications with maximum duty cycle may require
conductors sized for the maximum output capability of the ABC Series, and motor lead wires should match.
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