135N1824
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MPN: FC-280PK75T4E20H2BXCXXXSXXXXAY
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The 135N1824 VLT Midi Drive boasts a power rating of 0.75 kW and includes an integrated brake chopper. Manufactured by Danfoss as part of the VLT FC 280 Midi Drives series, it features IP20 chassis enclosure and supports a supply voltage of three-phase 380-480 VAC. This compact drive weighs 2.62 kg.
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Product Description:
The Danfoss 135N1824 Frequency Converter offers a rated output of 0.75 kW with a three phase supply voltage range of 380 – 480 VAC. The unit supports stable operation while ensuring high overload and torque capacity that makes suitable for demanding operating environments.
The 135N1824 frequency converter is lightweight yet robust with a net weight of 2.62 kilograms and height of 210 mm. This frequency converter delivers high operational performance with key electrical specifications. The model supports an intermittent current of 3.5 A and a rated apparent power of 1.5 kVA. The power loss in high overload operation is measured at 30 W that ensures efficiency in energy usage. The converter provides a maximum power capacity of 0.75 kW at 160 % load for 60 seconds. The torque performance is consistent with a starting torque and overload torque of up to 160 % for 60 seconds. This allows reliable motor start up and overload handling. Integrated braking and stopping functionality is supported by a built in brake chopper. The safety is enhanced with Safe Torque Off (STO) inputs at terminals 37 and 38. They operates at voltage levels of 0 – 30 V DC with a low voltage threshold below 1.8 V DC. The converter is built with a coated PCB for environmental protection that extends service life under harsh conditions. A ramp time adjustment range from 0.01 to 3600 seconds ensures controlled acceleration and deceleration.
The 135N1824 frequency converter includes closed loop control for speed regulation and extended PID speed open loop control. The extended PID adds functions such as feed forward control, clamping, reference and feedback filtering and gain scaling. This flexibility supports various industrial process control needs.
Frequently Asked Questions about 135N1824:
Q: How does the Danfoss 135N1824 maintain efficient braking without external circuitry?
A: It integrates a built-in brake chopper for rapid energy dissipation during deceleration. This ensures smoother stopping and supports safe torque control during emergency or controlled shutdowns.
Q: What makes the 135N1824 converter reliable in overload and high torque start-up applications?
A: It sustains 160% starting and overload torque for 60 seconds. This allows robust motor engagement and stable operation under high initial load conditions.
Q: How does the 135N1824 frequency converter deliver accurate speed control across dynamic loads?
A: It features closed-loop regulation with extended PID functionality including gain scaling, clamping, and filtering. These features ensure stability in speed-sensitive and process-driven environments.
Q: What input safety features are integrated into the 135N1824 to support fail-safe conditions?
A: It includes Safe Torque Off inputs operating at low voltage DC levels for shutdown control. These inputs help prevent unintended motor torque during critical operations or maintenance.
Q: How does the 135N1824 handle thermal and electrical stress in harsh environments?
A: It uses coated PCBs to resist dust and moisture while minimizing performance degradation. This design extends the unit’s lifecycle and maintains safe, efficient operation under tough conditions.
