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Product Detailed Parameters
- Description：LINE FILTER 250VAC/VDC 20A CHASS
- Series：NBH
- Mfr：Cosel USA, Inc.
- Package：Box
- Filter Type：Single Phase
- Configuration：Two Stage
- Voltage - Rated DC：250V
- Voltage - Rated AC：250V
- Current：20 A
- Frequency - Operating：-
- Applications：General Purpose
- Approval Agency：cURus, VDE
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Chassis Mount
- Termination Style：Terminal Block
- Inductance：-
- Voltage - Rated AC (Phase to Ground/Neutral)：250 V
- Voltage - Rated AC (Phase to Phase)：-
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Overview
The NBH-20-432 is a single-phase, two-stage power line filter manufactured by Cosel USA, Inc. It supports AC voltages up to 250 VAC and DC voltages up to 250 VDC with a rated current of 20 A. The unit features screw termination for chassis mounting and includes X/Y capacitors totaling 4.3 nF. Leakage current is specified at a maximum of 1.0 mA. Compliance certifications include UL, CSA, DIN, VDE, and ENEC standards.
Feature Summary
- Two-stage filtering architecture for enhanced noise suppression
- Chassis mount design with screw terminal connections
- Certified compliance with major international safety standards
Applications
- Industrial machinery power supply protection
- Medical equipment EMC mitigation
- Telecommunications infrastructure filtering
Procurement Notes
Verify the specific datasheet revision and certification status directly with Cosel USA, Inc. before procurement. Confirm that the chassis mounting dimensions and screw terminal specifications match the target enclosure requirements. Ensure the application voltage does not exceed the 250 VAC/DC rating to maintain safety compliance.
Selection Notes
Select this component when a single-phase, two-stage filter is required for 20 A circuits. Compare against the NBH-10-432 if lower current capacity suffices. Verify that the 4.3 nF capacitance value aligns with leakage current constraints in sensitive medical or precision applications.
Part Context
This part belongs to the NB series of power line filters from Cosel. The series offers various current ratings and capacitance values. The NBH-20-432 specifically addresses higher current needs compared to the 10 A variants while maintaining standard chassis mounting form factors common in industrial enclosures.
Replacement Considerations
The NBH-20-432-D variant exists but utilizes different terminal block connections instead of standard screws. Verify mechanical interface compatibility before substituting. No direct equivalent part numbers are publicly confirmed for identical performance replacement.
