137L3131
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The Danfoss 137L3131 belongs to the VLT 2000 Frequency Converters series and is classified as part of the iC7-Automation product line. This frequency converter features an output frequency range of 0-590Hz, an input voltage of 3x380-500V, and a short circuit current rating of 100kA. It weighs 4.17kg.
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Product Description:
The Danfoss 137L3131 frequency converter is designed for air-cooled applications and provides dependable operation in a variety of industrial applications. The converter uses a mains voltage of 380-500 V AC and has a frequency converter has a power rating of 2.2 kW. The converter has an IP20 protection certification and is an open-type device, making it appropriate for settings that do not require external protection.
The 137L3131 frequency converter has an input current of 5.0/4.3 A and a short circuit current rating of 100 kA, ensuring reliable protection against electrical problems. Its output frequency ranges from 0 to 590 Hz, providing versatility for motor control applications. The typical I/O consists of four digital inputs, two digital I/Os, two analog inputs, one analog output, and two relay outputs. The frequency converter also supports Modbus TCP OS7MT via communication interfaces X1 and X2, with X0 configured with an Ethernet connector. The converter's functional safety incorporates STO, which is not upgradeable. The efficiency class is IE2, with a relative loss of 2.05% and a maximum power loss of 83 watts. The OPX20 control panel allows for fast access to user controls.
The frequency converter has dimensions are 90 mm wide, 270 mm tall, and 247 mm deep, making it suitable for integration into a variety of systems. The net mass is 4.17 kg, and the gross mass is 5.39 kg. For both normal and overload situations, the converter runs at an ambient temperature of 45°C/113°F. The computed overload current for a 1/10-minute cycle is 6.2/5.3 A. Furthermore, the frequency converter is compatible with a MicroSD card reader and an RTC for storage and real-time clock purposes. The 137L3131 frequency converter is designed for controlling the speed of electric motors and HVAC systems.
Frequently Asked Questions about 137L3131:
Q: How does the Danfoss 137L3131 control motor frequency?
A: The Danfoss 137L3131 can output frequencies between 0-590 Hz. This range allows precise motor speed control across various applications.
Q: Does the Danfoss 137L3131 support an Ethernet port?
A: Yes, the 137L3131 features an Ethernet port at X0. This provides basic communication without a protocol for simpler control needs.
Q: How does the Danfoss 137L3131 protect against overload?
A: The 137L3131 protects against overload with its continuous current of 5.6 A at 1/10 minutes. It also offers an overload current of 6.2 A.
Q: Why does the Danfoss 137L3131 include a MicroSD card reader?
A: The MicroSD card reader in the 137L3131 allows for data storage. It also supports real-time clock functions for system monitoring.
Q: Does the Danfoss 137L3131 offer functional safety features?
A: Yes, the 137L3131 includes Safe Torque Off (STO) for functional safety. This provides a secure shutdown, reducing the risk of motor damage during operations.
