136G7339 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
MPN: MCD60086BT5S1X20CV1
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The Danfoss 136G7339 is part of the MCD Soft Starters series and supports three phase power with an 86 Amp current rating. It features an internal bypass, IP20 rating, and is designed to handle control voltages of 24 V AC or DC. The soft starter weighs 5.5 kilograms, has a rated insulation voltage of 690 V AC, and supports up to 100000 operational cycles.
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Product Description:
The 136G7339 is a solid-state soft starter produced by Danfoss for the MCD Soft Starters series in the VLT Soft Starter MCD product group. It provides controlled acceleration and deceleration for three-phase induction motors, minimizing inrush current and mechanical shock in conveyors, pumps, and other automated machinery. The device is intended for direct connection to three-phase power networks and ships in compact frame size 1 for panel installation in industrial control cabinets.
With a continuous current rating of 86 A, the starter handles medium-duty motor loads, and its power lugs require 4 Nm of terminal torque. A control circuit that accepts 24 V AC/V DC control power integrates easily with typical PLC outputs and auxiliary control circuits. The enclosure is rated IP20, so it must be mounted inside a cabinet but does not require extra sealing at the device body. Power components tolerate impulse voltages up to 6 kV, helping the starter withstand transient conditions on industrial supply lines. Motor protection conforms to Class 10 overload characteristics, allowing the electronic trip algorithm to respond to locked-rotor or prolonged heavy-load events. An internal bypass contactor closes after ramp-up to reduce heat, and an analog load of 600 Ω provides a reference signal for external monitoring. Additional features include a relay output capable of 10 A at 250 V AC, and the operating behavior follows the MCD 600 family control philosophy.
System fault tolerance is reinforced by a prospective short-circuit capacity of 10 kA when protected by suitable fuses, while the thyristor stack can absorb 80000 A²s of let-through energy. The insulation system supports continuous operation at 690 V AC, matching common industrial supply voltages, and mechanical durability is rated for 100000 operations, supporting long service life in repetitive start-stop duty cycles. Net weight is 5.5 kg, and the unit’s short-circuit and I²t parameters support coordination with the protected three-phase power circuit during fault conditions.
Frequently Asked Questions about 136G7339:
Q: Does the Danfoss 136G7339 soft starter have a built-in bypass feature?
A: This model uses an internal bypass, minimizing heat dissipation during operation.
Q: What is the current rating of the 136G7339 soft starter?
A: The 136G7339 soft starter is rated for a current of 86 A.
Q: What control voltage does the Danfoss 136G7339 support?
A: The control voltage required for this soft starter is 24 V AC or 24 V DC.
Q: What type of power system is the Danfoss 136G7339 soft starter compatible with?
A: This device is designed for three-phase power systems.
Q: What does the IP20 rating indicate for the 136G7339 soft starter?
A: The IP20 rating means this unit is protected against solid objects larger than 12 mm but has no protection against water.
