136G7350 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
MPN: MCD60129BT5S1X20CV2
The Danfoss 136G7350 is part of the MCD Soft Starters series and has a nominal rating of 735 Amps for three-phase power. This soft starter features an IP00 protection class and is rated for 690 V AC insulation with a maximum circuit breaker size of 1200 Amps. The unit measures 618 mm in height, 447 mm in width, and 310 mm in depth, with a weight of 47 kilograms.
Internal Product Review
The 136G7350 is a Danfoss MCD soft starter engineered for three-phase power and a strong 735 A nominal rating. Rated insulation of 690 V AC and 6 kV impulse withstand give the unit solid electrical endurance in high-demand installations. A 1200 A maximum circuit breaker capacity supports confident system integration, making the 136G7350 a very capable choice for heavy industrial motor control.
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Product Description:
The 136G7350 is a solid-state soft starter from Danfoss in the MCD Soft Starters series and the VLT Soft Starter MCD product group. Designed for integration into three-phase motor feeders, the unit ramps the supply voltage and current to limit mechanical shock and electrical inrush during motor acceleration. Within industrial automation panels, it operates as a controlled semiconductor alternative to electromechanical starters, supporting coordinated start-and-stop profiles for high-horsepower pumps, compressors, and conveyor drives.
The starter carries a nominal motor current rating of 735 A, and its power section is insulated for up to 690 V AC, permitting direct connection to compatible industrial power supplies. An open-style enclosure classified as IP00 means the device must be mounted inside a protective cabinet with directed airflow. Upstream protection can be provided by a circuit breaker rated up to 1200 A, while the thyristor stack can tolerate impulse transients of 6 kV on the mains. The frame measures 447 mm in width, 310 mm in depth, and 618 mm in height, providing the dimensions needed to plan cabinet space and mounting clearances. The assembly weighs 47 kg, so suitable lifting equipment should be used during installation.
During operation, the internal SCR stack supports an externally bypassed starting current of 835 A at 3.0-10:50-6 or a non-bypassed continuous current of 590 A at 3.0-10:50-6, allowing installation with or without an external bypass contactor. The silicon junctions have an I²t withstand rating of 2,530,000 A²s, and the starter can coordinate with gG fuses rated up to 1,350 A or UL fault currents up to 42 kA at 480/600 V AC. Control interfaces include an analog input that can drive loads up to 600 Ω and a relay output rated for 10 A at 250 V AC with a resistive load. Phase power is delivered across three lines, supporting operation with the three-phase motors used in pumps, compressors, conveyors, and other industrial equipment.
