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Tb501 – LEESON FHP Series NEMA 4x Variable Speed Drive User Manual

Page 37

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Normally, these thermal procedures automatically close the
circuit when the motor has cooled to a safe temperature. In
operation, the drive can be disabled by opening the enable
switch or opening the thermal overload switch. See Figure
14 below.

E2 (ENABLE)

E1 (COMMON)

ENABLE / DISABLE

SWITCH

CLOSE TO ENABLE

THERMAL

OVERLOAD

SWITCH

TB501

Figure 14. Thermal Overload Switch with Optional

Enable / Disable Switch