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Product Detailed Parameters
- Description：LINE FILTER 120A CHASSIS MOUNT
- Series：FN 3256
- Mfr：Schaffner EMC Inc.
- Package：Bulk
- Filter Type：Three Phase (Wye)
- Configuration：Single Stage
- Voltage - Rated DC：-
- Voltage - Rated AC：-
- Current：120 A
- Frequency - Operating：DC ~ 60Hz
- Applications：General Purpose
- Approval Agency：CE, CSA, ENEC, UKCA, UR
- Operating Temperature：-25°C ~ 100°C
- Mounting Type：Chassis Mount
- Termination Style：Terminal Block
- Inductance：-
- Voltage - Rated AC (Phase to Ground/Neutral)：300 V
- Voltage - Rated AC (Phase to Phase)：520 V
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Overview
The Schaffner FN3256H-120-35-R69 is a three-phase EMC/EMI line filter designed for industrial machinery. It features a compact chassis-mount configuration with solid terminal blocks. Rated for 120 A current and 480 VAC (520 VAC phase-to-phase), it operates at DC to 60 Hz. The unit provides single-stage attenuation and includes the R69 suffix, indicating suitability for applications requiring insulation resistance greater than 1 MΩ. Certified by CSA, ENEC, and UR, it supports touch-safe operation.
Feature Summary
- Compact design optimized for space-constrained industrial equipment
- High insulation resistance capability exceeding 1 MΩ
- Touch-safe solid terminal block construction
Applications
- Industrial machinery meeting machine tool standards
- Complex machines requiring high insulation resistance
- General industrial power distribution systems
Procurement Notes
Verify the specific suffix requirements against your system's insulation needs. Confirm that the chassis mounting dimensions align with your enclosure specifications. Ensure the 120 A rating matches your load profile. Check for updated certification marks relevant to your target market before finalizing procurement.
Selection Notes
Select this model when high current capacity and compact footprint are required. The R69 variant is necessary if system insulation resistance must exceed standard thresholds. Consider the single-stage topology for cost-effective noise suppression in industrial environments where space is limited.
Part Context
This component belongs to the FN3256 series of three-phase filters from Schaffner. The series is characterized by its robust construction and suitability for harsh industrial environments. The H designation typically indicates enhanced performance or specific housing characteristics within the product family.
Replacement Considerations
Direct substitutes may include other FN3256 variants with different current ratings. Verify compatibility with existing mounting hardware and terminal connections. Ensure replacement units maintain the same insulation resistance specifications if the R69 feature is critical.
