136N8921
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MPN: FC-051PK37S2E20HXXXCXXXSXXX
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The 136N8921 is a compact single-phase drive with a rated power of 0.37 kW and a nominal voltage range of 200 - 240 VAC. Manufactured by Danfoss, it belongs to the VLT FC 51 Micro Drives series and has a frame size of M1. Features include a coated PCB, an IP20 chassis rating, and a lightweight design at 1.1 kg net weight.
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Product Description:
The 136N8921 Frequency Converter supports multiple operational modes and offers stable performance under diverse load conditions. The unit features an IP20 enclosure rating. Its compact design and versatile control options enhance usability across applications.
This 136N8921 frequency converter offers typical shaft outputs of 0.18 kW and 0.37 kW. It ensures high operating efficiency that reaches up to 96.5 % under best case conditions while maintaining low power losses between 12.5 W and 20 W. The continuous output currents of the model are rated at 1.2 A and 2.2 A while intermittent operation supports 1.8 A and 3.3 A. The unit weighs 1.1 kg that makes it easy to handle during installation or maintenance. It supports shielded motor cable lengths up to 15 m and unshielded lengths up to 50 m. The control terminals accept rigid wires up to 1.5 mm² or 16 AWG while load sharing and braking connections are supported with 6.3 mm insulated Faston plugs or terminals up to 16 mm²/6 AWG. The local and remote control are both supported by this converter. This enables operation via the LCP interface or digital and analog inputs. The operators can start or stop the system manually, reset alarms directly or disable the onboard potentiometer for precise digital reference adjustments.
The 136N8921 frequency converter from Danfoss is designed to handle overloads of up to 150 % for one minute. The continuous input currents of the model are rated at 3.3 A and 6.1 A while intermittent inputs reach 4.5 A and 8.3 A. The maximum motor cable cross section supports proper power distribution while maintaining EMC compliance. Its compact weight, efficient performance and reliable protection make it suitable for industrial and commercial environments.
Frequently Asked Questions about 136N8921:
Q: How does the 136N8921 frequency converter manage remote operations in tight control loops?
A: It supports remote control through digital and analog inputs or the LCP interface for flexible system access. Operators can override onboard functions, start/stop remotely, or reset alarms directly.
Q: What happens when the 136N8921 frequency converter encounters sudden load spikes?
A: It handles overloads up to 150% for one minute without performance loss. This ensures motor continuity in demanding cycles or brief mechanical jams.
Q: How does the 136N8921 ensure signal clarity and safe distribution across motor cables?
A: It supports shielded motor cables up to 15 m and unshielded up to 50 m. This preserves EMC compliance and signal integrity during long cable runs.
Q: What connection options support load and braking functionality in the 136N8921 frequency converter?
A: It uses 6.3 mm Faston plugs or terminals up to 16 mm² for braking or load-sharing. This simplifies integration with existing panel wiring or retrofit systems.
Q: How does the 136N8921 converter maintain high energy efficiency during normal operation?
A: It achieves efficiency up to 96.5% while minimizing power loss to as low as 12.5 W. This keeps heat output low and supports energy-conscious applications.
