Name: Siemens SINAMICS V20 7.5kW 3AC Frequency Converter - INOSAKI
SKU: Siemens-6SL3210-5BE27-5UV1
Price: 340.51 USD
Availability: InStock

Technical Overview

7.5 kW, 380-480V 3AC unfiltered frequency converter with 150% overload for 60s, IP20, USS/Modbus RTU, and integrated braking chopper.

Key Features

3 AC input, 380-480V line voltage
7.5 kW (10 hp) rated output power
Integrated braking chopper
USS and Modbus RTU communication
4 standard digital inputs
2 digital outputs (1 relay changeover, 1 transistor)
2 analog inputs (can be used as additional digital inputs)
1 analog output
Convection cooling
IP20 / UL open type degree of protection
Frame size FSC
Operating ambient temperature range of -10 to 60 °C

Technical Specification Matrix

Parameter	Value
Input Number of phases	3 AC
Input Line voltage	380 ... 480 V -15 % +10 %
Input Line frequency	47 ... 63 Hz
Output Number of phases	3 AC
Output Rated voltage	400V IEC / 480V NEC
Output Rated power (LO/HO)	7.50 kW (10.00 hp)
Output Rated current (LO/HO/IN)	16.50 A
Output Pulse frequency	4.00 kHz
Output frequency	0 ... 550 Hz
Low Overload capability	110 % rated output current for 60 s, cycle time 300 s
High Overload capability	150 % rated output current for 60 s, cycle time 300 s
Power factor λ	0.72
Offset factor cos φ	0.95
Efficiency η	0.98
Filter class (integrated)	Unfiltered
Integrated braking chopper	Yes
Communication	USS, Modbus RTU
Standard digital inputs	4
Digital outputs (relay changeover contact)	1
Digital outputs (transistor)	1
Analog inputs	2 (Can be used as additional digital input)
Analog outputs	1
Cooling	Convection cooling
Installation altitude	1,000 m (3,280.84 ft)
Operating ambient temperature	-10 ... 60 °C (14 ... 140 °F)
Storage ambient temperature	-40 ... 70 °C (-40 ... 158 °F)
Relative humidity (Max. operation)	95 %
Max. motor cable length (Shielded)	10 m (32.81 ft)
Max. motor cable length (Unshielded)	50 m (164.04 ft)
Mounting position	Through-hole mounting / wall mounting / side-by-side mounting
Degree of protection	IP20 / UL open type
Frame size	FSC
Physical Weight (kg)	2.5
Dimensions L x W x H (cm)	29 x 27 x 23

Industrial Applications

1. HVAC System Fan and Pump Control

This frequency converter is ideal for regulating the speed of 7.5 kW fans and pumps within HVAC systems to optimize energy consumption and maintain desired air flow or water pressure. Its 380-480V 3AC input and 7.5kW rating perfectly match common industrial motor requirements, while the IP20 rating is suitable for installation within enclosed control cabinets found in plant rooms.

Problem Solved

Efficiently controls motor speed to reduce energy consumption and improve system stability in HVAC applications, preventing constant motor cycling and reducing wear.

Variable Speed DriveHVACFan ControlPump ControlEnergy Efficiency380-480V7.5kWIP20

2. Conveyor Belt Speed Regulation

The drive's 7.5 kW power and 150% overload capacity for 60 seconds make it suitable for controlling the speed of small to medium-sized industrial conveyor belts. The robust overload protection handles the high starting torque often required for loaded conveyors. Its digital I/O can manage start/stop and direction, while analog inputs provide precise speed control, integrating seamlessly with existing control systems via Modbus RTU.

Problem Solved

Provides smooth acceleration, deceleration, and precise speed adjustment for conveyor belts, reducing mechanical stress, improving product flow, and accommodating various production rates.

Conveyor SystemsMotor ControlSpeed RegulationOverload ProtectionModbus RTUDigital I/O7.5kW

3. Basic Machine Tool Spindle Control

For applications like drill presses or grinding machines requiring variable speed control of a 7.5 kW motor, this VFD offers the necessary precision. Its wide output frequency range (0-550 Hz) allows for versatile speed adjustments, crucial for different machining operations. The integrated braking chopper facilitates quicker and controlled deceleration of the spindle, enhancing operational safety and efficiency in a workshop environment where IP20 protection is adequate for enclosed panels.

Problem Solved

Enables precise and variable spindle speed control for enhanced machining versatility, improved surface finish, extended tool life, and safer operation with controlled braking.

Machine ToolsSpindle ControlVariable Frequency DriveBraking Chopper0-550 Hz Output7.5kWIP20