131L9868
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The Danfoss 131L9868 drive, part of the VLT FC 101 HVAC Basic Drives series, boasts a power rating of 7.5 kW and an IP20 degree of protection. This three-phase device supports input voltages of 380-480 VAC and delivers a nominal output current of 15.5 A. It features a coated PCB for enhanced durability.
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Product Description:
The 131L9868 Frequency Converter is designed to regulate speed and optimize energy use in systems such as pumps and fans. It provides a shaft output of 0.75 kW (1.0 hp) and operates within a 3 phase 200 – 240 V AC power range.
The 131L9868 frequency converter from Danfoss is suited for indoor applications where space and protection are important with its compact form and IP20 rated enclosure. This converter delivers a continuous output current of 4.2 A and an intermittent rating of 4.6 A that supports stable performance under varying load conditions. The maximum input current of the model reaches 2.8 A during continuous operation and 3.1 A for short bursts. Its enclosure supports a maximum cable size of 4 mm² (10 AWG) that is compatible with standard motor and mains wiring. It is suitable for circuits supplying up to 100 Arms symmetrical amperes at 240/480 V maximum. The supply frequency compatibility of the converter is 50/60 Hz that ensures global application flexibility. The displacement power factor remains greater than 0.98 while the true power factor is rated at ≥ 0.9 under nominal load. It is engineered for ambient temperatures up to 40 °C (104 °F) without performance derating.
The 131L9868 frequency converter can handle a temporary supply imbalance of up to 3 % between mains phases that ensures reliability in less than perfect power conditions. Its design meets both electrical performance and thermal stability requirements essential for long term operation. The unit plays a critical role in energy saving applications particularly for centrifugal fans and pumps where speed adjustment leads directly to power reduction. The converter allows fine tuned motor control based on real time demand instead of operating at full speed continuously. This not only saves energy but also reduces mechanical wear.
Frequently Asked Questions about 131L9868:
Q: What impact does the 131L9868 frequency converter have on energy optimization in centrifugal applications?
A: It enables variable speed control based on real-time demand rather than fixed output. This results in measurable energy savings and extended mechanical life for fans and pumps.
Q: How does the Danfoss 131L9868 frequency converter manage phase imbalance in unstable power environments?
A: It tolerates up to 3% supply imbalance between mains phases without compromising performance. This enhances system reliability in industrial networks with minor voltage asymmetries.
Q: What should be considered when integrating the 131L9868 frequency converter into compact control panels?
A: Its IP20-rated enclosure and small footprint support safe installation in indoor panels. Cable compatibility up to 4 mm² simplifies wiring with standard motor and mains conductors.
Q: Can the 131L9868 converter maintain efficiency under varying load conditions during fan or pump control?
A: It delivers stable output with continuous and intermittent current handling designed for dynamic loads. This helps reduce energy use while avoiding torque or speed fluctuation.
Q: How does the Danfoss 131L9868 support long-term use without thermal derating in warm environments?
A: Its design allows full performance up to ambient temperatures of 40 °C. This ensures reliable operation in most non-cooled enclosures without forced ventilation.
