175G5502
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The 175G5502 is a compact soft starter with a current rating of 43 A and an internal bypass type. Manufactured by Danfoss as part of the MCD Soft Starters series, it supports mains voltage of 200-525 V AC. The unit measures 7.99 inches in height, 3.85 inches in width, and 6.49 inches in depth.
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Product Description:
Danfoss names the MCD 500 series variant 175G5502with a current rating of 43 A to define continuous current capacity and informs cable and protection sizing. The drive’s power of 22 kW at 400 V establishes the matched motor output and guides torque and thermal calculations. Control voltage 24 V AC/V DC specifies the low-voltage control supply and sets relay and sensor compatibility for the control circuit. Its mains voltage 200-525 V AC sets the allowable supply envelope and guides transformer and breaker selection.
By offering an internal bypass, the model provides an internal contactor that reduces thermal stress on the semiconductors after start. IP rating of IP20 restricts installations to indoor cabinets and defines minimum ingress protection. Frame size “G1” determines the mechanical footprint and mounting pattern for panel builders. Height 7.99 in (203 mm) prescribes vertical clearance for cabinet layout. Width 3.85 in (98 mm) sets lateral space allocation in multi-unit racks. Depth 6.49 in (165 mm) defines rear clearance and cable bend radius planning. The component 175G5502 appears with permissible ambient temperature of around 50°C which sets the thermal limit before derating is required. Starts per hour 6 (Heavy) / 10 (Light) defines allowable cyclic duty and informs cooling and duty planning.
The module’s AC-53b class 43 A, AC-53b 3-30:330 describes the contact switching classification for motor switching duty. Starting with the current 300% rate indicates the inrush multiple used for mechanical and electrical stress calculations. Further, its acceleration time range 1–180 sec provides the programmable ramp envelope and enables smooth mechanical load engagement. Deceleration time range 1–30 sec defines the programmable coast-down profile for safe stopping. The operational temperature range for this module is −10 to +60°C which establishes storage and handling limits before installation.
Frequently Asked Questions about 175G5502:
Q: What motor rating does 175G5502 match at 400 V?
A: The matched motor rating is 22 kW and that power rating guides torque capability and load matching calculations.
Q: Which control supply standard applies to 175G5502?
A: The control supply standard is 24 V AC/V DC and it sets the required relay and sensor interface voltage. The value ensures compatibility with standard low-voltage controls.
Q: What supply voltage range is acceptable for 175G5502 module?
A: The acceptable supply range is 200-525 V AC and this envelope determines transformer and breaker selection. It also reduces risk of undervoltage or overvoltage events.
Q: How is bypass handled in 175G5502?
A: The bypass arrangement is internal bypass which places a bypass contactor within the unit to carry motor current after start.
Q: What ingress protection rating does 175G5502 product carry?
A: It follows the ingress protection rating of IP20 and restricts use to indoor, cabinet-mounted applications with basic touch protection.
