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Product Detailed Parameters
- Description：LINE FILTER 20A DIN RAIL
- Series：FN3040
- Mfr：Schaffner EMC Inc.
- Package：Box
- Filter Type：Three Phase (Delta)
- Configuration：Single Stage
- Voltage - Rated DC：-
- Voltage - Rated AC：-
- Current：20 A
- Frequency - Operating：DC ~ 60Hz
- Applications：General Purpose
- Approval Agency：CE, CSA, ENEC, UKCA, UR
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：DIN Rail
- Termination Style：Terminal Block
- Inductance：-
- Voltage - Rated AC (Phase to Ground/Neutral)：305 V
- Voltage - Rated AC (Phase to Phase)：530 V
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Overview
The Schaffner FN3043-20-61-C21-R65 is a three-phase Delta EMC/EMI line filter rated for 20 A at 530 VAC and 60 Hz. It features a single-stage design with terminal block connections and chassis mounting. Key electrical parameters include a capacitance of 0.22 uF (220 nF) and a maximum leakage current of 6 mA. The unit operates within a temperature range of -40°C to +100°C.
Feature Summary
- Low leakage current design suitable for sensitive applications
- Single-stage filtering architecture for general-purpose EMI suppression
- Chassis mount construction with terminal block termination
Applications
- Industrial machinery power supply protection
- Three-phase motor drive input filtering
- Medical equipment power entry modules requiring low leakage
Procurement Notes
Verify the specific suffix codes against the manufacturer datasheet to confirm terminal type, voltage rating, and capacitance values. Ensure the Delta configuration matches the system ground requirements. Cross-reference the part number with official TE Connectivity/Schaffner documentation to validate compliance certifications and physical dimensions before procurement.
Selection Notes
Select this component when low leakage current is critical for safety or signal integrity in three-phase Delta systems. The 20 A rating suits moderate power loads. Verify that the chassis mount form factor fits the enclosure constraints. Confirm that the 530 VAC rating aligns with the network voltage and frequency specifications.
Part Context
This model belongs to the Schaffner FN3043 series, which specializes in low-leakage EMC filters for three-phase applications. The series is designed to meet stringent safety standards while providing effective electromagnetic interference attenuation in industrial and medical environments.
Replacement Considerations
Check for direct substitutes within the FN3043 series with different current ratings or terminal configurations. Verify compatibility with existing mounting hardware and wiring terminals. Ensure any replacement maintains the same leakage current limits and voltage ratings.
