175G5030
Wake Industrial LLC is not an authorized distributor of this product.
MPN: MCD3055-T5-B21-CV4
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The Danfoss 175G5030 soft starter from the MCD Soft Starters series features a rated power of 55 kW and internal bypass functionality. This starter operates with a rated current of 125 A, a mains voltage range of 200-525 VAC, and an IP20 protection class. It supports in-line or inside delta connections.
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Product Description:
The 175G5030 is a soft starter from Danfoss> with the product code <
The 175G5030 starter features an IP21 enclosure rating that is suitable for wall mounting or switchboard installation and its dimension is 530 x 132 x 270 mm, with a weight of approx. 20 kg. It is designed to provide advanced motor protection by monitoring motor overload, undercurrent, phase imbalance and thermistor trips. This unit uses a motor thermal model to continuously calculate motor temperature and it features adjustable current limit settings between 100% to 550% of the motor’s full load current (FLC), with a default value of 350%. Its current ramp starts at 350% of FLC, with a ramp time adjustable between 1 to 30 seconds and for motor deceleration, it supports a soft stop ramp time adjustable from 0 to 100 seconds. This 175G5 starter also include the D.C braking function time adjustment from 0 to 10 seconds and brake torque can be set between 30% to 100% of the maximum value.
The 175G5030 starter supports a nominal motor power of 55 kW and its three programmable relay outputs with ratings of 5A at 250 VAC/360 VA or 5A at 30 VDC resistive are suitable for controlling line contactors or motor status indicators. Its remote-control capability via RS485 serial communication, supporting baud rates from 1200 to 19200 and it uses ASCII protocol for data transmission. The unit’s restart delay is programmable from 1 to 254 seconds to prevent immediate restarts after motor shutdown.
Frequently Asked Questions about 175G5030:
Q: How does the current limit adjustable between 100–550% FLC benefit motor starting?
A: It allows customization of start torque to suit varying load inertia. It helps prevent motor and load stress by setting appropriate limit, enhancing lifespan.
Q: Why is D.C. braking from 0–10 s useful in this model?
A: It enables controlled rapid stopping of the motor without mechanical brakes. In MCD3055-T5-B21-CV4, it reduces wear and improves safety during emergency stops.
Q: How does the soft-stop ramp (0–100 s) improve motor control?
A: It decelerates the motor gradually to avoid abrupt stops and load shocks. This reduces mechanical stress and prevents product spillage or load disturbance.
Q: Why include a restart delay of 1–254 s?
A: It prevents immediate re-start after a trip, giving time for cooling or fault clearing. This helps avoid repeated cycling and thermal stress.
Q: What advantage do three programmable 5 A relays offer in this starter?
A: They allow simultaneous signaling and contactor control for multiple functions. In the MCD3055-T5-B21-CV4, you can monitor status, faults, or engage auxiliary circuits.
