According to the standard technical manual, the GMR32B has specific environmental requirements:
If the unit is running hot, follow this checklist based on standard installation practices for this type of protector: 1. Check Environmental Ventilation Ensure the control panel has fans or ventilation louvers. gmr32b phase controller manual hot
Power Supply (Three-Phase 380V) Motor / Load L1 L2 L3 M | | | | +---+---+ | | | +--+--+--+ +--+--+ | L1 L2 L3| | T1 T2| | GMR32B | (Control Contacts) | | | NO NC |----[Contactor Coil]-------| NC | +---------+ +-----+ According to the standard technical manual, the GMR32B