MMII-PD-1-2-240 Product datasheet 

MMII-PD-1-2-240 Functional Description   

The Motor Management Unit General Electric MMII-PD-1-2-240 is a sophisticated motor management relay designed for comprehensive protection and control of low-voltage motors in industrial applications. This Multilin Motor Manager II series device combines multiple protective functions including overload protection, phase unbalance detection, contractor failure monitoring, and rotor lock/stall prevention. The General Electric MMII-PD-1-2-240 Multilin Motor Manager features an integrated hot winding thermistor module and undervoltage auto-restart capability, ensuring motor system protection and extended equipment life. Its panel-mounted design includes a two-line LCD display for easy configuration and monitoring.

Equipped with extensive I/O capabilities, the Power Monitoring System General Electric MMII-PD-1-2-240 provides 4 output ports (2 contractor outputs and 2 programmable outputs) and 16 input ports (6 fixed and 10 programmable). The unit offers advanced monitoring through its analog interface that displays phase current, ground current, thermal capacity, power, and energy levels. It includes comprehensive event recording functionality, capturing trip events and corresponding pre-trip values for diagnostic analysis and system optimization.

The communication capabilities of the MMII-PD-1-2-240 MOTOR MANAGER General Electric support integration via RS485 ModBus Plus at speeds ranging from 1200 to 19200 bps, enabling seamless connectivity with industrial automation systems. This model includes both Option 1 and Option 2 packages, providing enhanced features such as programmable inputs, additional relays, advanced diagnostics, voltage transformer inputs for power calculation, and thermistor inputs. It represents a cost-effective solution for motor protection while offering sophisticated control capabilities typically found in higher-priced systems.

Designed for reliability and user convenience, the MMII-PD-1-2-240 Circuit Breaker General Electric combines robust protection features with intuitive operation through its display and keypad interface. The unit's comprehensive protection suite and flexible configuration options make it suitable for various motor control applications across different industries. It demonstrates General Electric's commitment to providing advanced motor management solutions that ensure operational safety and equipment longevity in demanding industrial environments.