VLT 2025

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The VLT 2025 frequency converter delivers a shaft output power of 1.1 kW and operates with an efficiency greater than 0.97 at rated load. Manufactured by Danfoss as part of the VLT 2000 Frequency Converters series, it supports a mains supply voltage of 3 × 380-460 V ±10% and features IP20 enclosure protection.

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Product Description:

The VLT 2025 from Danfoss is part of the VLT 2000 Series, which offers an output current of (ct) 2.8 A. This helps supports steady torque for continuous operation. Its max output current (60 s) 4.5 A allows brief high-torque surges for start-up or transient loads and allows clear short overloads without tripping. The output power (ct) of 2.23 kVA defines apparent power and aids accurate sizing during system design. Further, max output power (60 s) is 3.57 kVA which permits short term but higher apparent power for heavy duty cycles, hence enables safe handling of transient mechanical demands.

Shaft output power 1.1 kW gives the nominal mechanical power delivered to a driven load to select compatible gearboxes and couplings. The device with 2.7 A maximum input current sets the maximum steady incoming current and guides supply feeder and contactor selection. Featuring max prefuse rating 16 A limits protective device sizing which prevents overfusing and protects upstream wiring. Its mains supply voltage offers 3 × 380-460 V ±10% which specifies acceptable line voltages and voltage tolerance during operation. Mains supply frequency 50/60 Hz allows use on standard industrial networks to ensure correct base speed scaling for typical motors.

Fuse type Bussmann KTN-R 250V AC 15 A identifies the recommended protective element which standardizes replacement parts for maintenance. This product VLT 2025 yields efficiency greater than 0.97 at rated load, reducing electrical loss and lowers operating costs. IP20 enclosure indicates protection against solid objects larger than 12 mm which suits panel-mounted installations. The controller comes with a max motor cable length of 40 m with motor coils IP10, allowing up to 300 m or 150 m depending on coil type. This provides limitations for cable routing which maintain EMC and drive stability.

Ambient Temperature (full Load)
0 to +40 °C
Efficiency
>0.97 at rated load
Enclosure Protection
IP 20
Fuse Type
Bussmann KTN-R 250V AC 15 A
Mains Supply Frequency
50/60 Hz
Mains Supply Voltage
3 × 380-460 V ±10%
Max Input Current
2.7 A
Max Motor Cable Length
40 m (motor coils IP 10: 300 m/150 m)
Max Output Current (60 S)
4.5 A
Max Output Power (60 S)
3.57 kVA
Max Prefuse Rating
16 A
Output Current (ct)
2.8 A
Output Power (ct)
2.23 kVA
Shaft Output Power
1.1 kW

Frequently Asked Questions about VLT 2025:

Q: What continuous output current specification applies to the VLT 2025 and how does it affect motor selection?

A: The converter module provides a continuous output current of 2.8 A which determines steady-state torque capability and direct motor current matching.

Q: How does VLT 2025 handle short-term current demands and what is the practical benefit?

A: The drive supports a maximum output current of 4.5 A for 60 seconds which permits temporary higher torque for start-up or emergency acceleration.

Q: What apparent power rating does the VLT 2025 provide under continuous load?

A: It specifies continuous output power as 2.23 kVA which represents the motor-facing apparent power at rated voltage.

Q: What short-term apparent power capability does the VLT 2025 offer and what scenario benefits from it?

A: The device delivers maximum output power of 3.57 kVA for 60 seconds which supports short heavy duty cycles and high inertia starts.

Q: What shaft output power is listed for the VLT 2025 and how does that inform mechanical design?

A: The VLT 2025 controller offers shaft output power at 1.1 kW which defines the mechanical power available to the driven load.


Internal Product Review

  • ‘‘VLT 2025 is a latest frequency converter from Danfoss brand that shows compact mass and rated shaft power, supporting long runtime and reliable mechanical coupling. The VLT 2000 series integration of these features promotes consistent performance and predictable maintenance intervals across varied three-phase installations.’’

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