FC-202PK75T6134N2755 Danfoss
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The Danfoss FC-202PK75T6134N2755 is a three phase drive from the VLT FC 202 AQUA Drives series with a power rating of 0.75 kW and 1.0 horsepower. It offers an efficiency of 0.97 and supports a maximum output frequency of 32 kHz. The drive has an analog output resolution of 8 bit and a maximum input current of 1.7 A.
Internal Product Review
The FC-202PK75T6134N2755 is a Danfoss VLT AQUA drive designed for three-phase power at 0.75 kW. A 0.97 efficiency rating and 35 W power loss give the unit impressively clean, economical operation in demanding drive applications. Maximum output frequency of 32 kHz stands out as a strong performance advantage.
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Product Description:
The FC-202PK75T6134N2755 is an AC variable frequency drive manufactured by Danfoss for the VLT FC 202 AQUA Drives series. Within a pumping station or filtration skid, the unit converts fixed-frequency utility power into a controlled output that matches demand, preventing pressure spikes and reducing water hammer. Its drive algorithms are optimized for the quadratic torque profile of centrifugal pumps, making the product suitable for municipal water treatment and irrigation automation.
It delivers a mechanical shaft output of 0.75 kW, equivalent to 1.0 HP, and is designed for three-phase power connections at 525–550 V. Under nominal load, the mains side draws a maximum of 1.7 A, while the inverter section can supply up to 1.8 A to the motor terminals. Continuous apparent power is 1.7 kVA at the top of the voltage range, so line conductors with the stated 4 mm² cross section meet thermal limits. Control wiring is supported by analog outputs with 8-bit resolution and 0.8% full-scale accuracy. Each digital sink/source output can switch 40 mA. The interface tolerates analog loads down to 500 Ω, and disconnect loops accept cables up to 6 mm², allowing flexible wiring arrangements.
High-frequency modulation keeps switching losses low, limiting heat dissipation to 35 W at rated operating points and contributing to a drive efficiency of 0.97. The inverter can generate carrier frequencies as high as 32 kHz, reducing audible motor noise in sensitive plant rooms. For branch protection, the recommended prefuse is rated at 10 A. Frequency commands are handled with 12-bit granularity, allowing precise speed adjustments when multiple pumps are connected to a master controller. An isolated digital output stage maintains stable status signaling without overloading PLC inputs. The controlled output allows pump speed to follow changing flow demand without requiring constant full-speed operation.
