07.F4.CRD-3420
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The 07.F4.CRD-3420 frequency inverter features a power rating of 75 kW, a 3-phase drive type, operates efficiently at a frequency of 50/60 Hz, and utilizes natural convection for cooling. Part of the F4 Combivert Frequency Inverter Series from KEB, it maintains an IP20 protection rating for optimal performance.
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Product Description:
The 07.F4.CRD-3420 frequency inverter is a compact and efficient solution designed for industrial motor control applications. It is ideal for environments requiring precise speed and torque management of three phase motors.
This F4 Combivert series frequency inverter provides a nominal output power range of 1.8 kVA. The inverter supports a maximum rated motor power of 0.8 kW and a nominal input current of 2.8. It operates with a three phase supply voltage range of 305 – 500 V. The inverter can deliver a maximum short time current of 4.6 A and withstands high braking currents up to 5 A. It includes overcurrent tripping protection set to 5.7 A providing enhanced safety during peak loads. The product supports both 4 kHz switching frequencies with stall currents at 4 kHz reaching up to 45 A. Its heat sink maintains a maximum temperature of 85 °C and it operates effectively in ambient temperatures from -10 °C to 45 °C. It operates within the climatic category 3K3 and is designed for indoor environments without excessive dust or condensation.
The 07.F4.CRD-3420 frequency inverter features a rated operating frequency of 4 kHz and a maximum frequency of 4 kHz with an efficient power loss at nominal operation rated between 45 W. The inverter operates on an IP20 protection level suitable for installations without condensation risks in industrial environments with up to 95 % relative humidity. It supports shielded motor line lengths up to 50 meters. The inverter’s braking resistor specifications are 160 Ω minimum and 390 Ω typical providing optimal energy dissipation during deceleration. The device’s line cross section is 1.5 mm² and it allows a maximum permissible fuse of 10 A for secure operation.
Frequently Asked Questions about 07.F4.CRD-3420:
Q: What is the nominal output power of the 07.F4.CRD-3420 frequency inverter?
A: The 07.F4.CRD-3420 inverter provides a nominal output power of 1.8 kVA. This power range is optimized for efficient industrial motor control applications requiring reliable torque management.
Q: What is the maximum operating ambient temperature for the 07.F4.CRD-3420 inverter?
A: The 07.F4.CRD-3420 inverter can operate effectively in ambient temperatures up to 45 °C. Its heat sink ensures stability, allowing a maximum internal temperature of 85 °C.
Q: How much braking current can the 07.F4.CRD-3420 frequency inverter handle?
A: This inverter is engineered to handle high braking currents, with a capacity of up to 5 A. This feature supports safe deceleration and ensures stability during peak braking loads.
Q: What are the protection and humidity specifications of the 07.F4.CRD-3420 frequency inverter?
A: The 07.F4.CRD-3420 operates with an IP20 protection rating and withstands up to 95% relative humidity. It is ideal for controlled environments without condensation risk, offering durability in industrial applications.
Q: What are the braking resistor specifications for the 07.F4.CRD-3420 inverter?
A: The braking resistor for this inverter has a minimum specification of 160 Ω and a typical value of 390 Ω. This range enables effective energy dissipation during motor deceleration.
