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Product Detailed Parameters
- Description：LINE FILTER 250VAC/VDC 30A DIN
- Series：NBH
- Mfr：Cosel USA, Inc.
- Package：Box
- Filter Type：Single Phase
- Configuration：Two Stage
- Voltage - Rated DC：250V
- Voltage - Rated AC：250V
- Current：30 A
- Frequency - Operating：-
- Applications：General Purpose
- Approval Agency：cURus, VDE
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：DIN Rail
- 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-30-331-D is a single-phase EMC/EMI 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 continuous current rating of 30 A. The device operates within a frequency range of 10 kHz to 10 MHz and features a capacitance value of 2 nF. Leakage current is specified at a maximum of 0.5 mA (500 µA), with some documentation citing 250 µA. It utilizes screw terminal connections and is designed for DIN rail mounting.
Feature Summary
- Provides common mode noise filtering for single-phase power lines
- Supports both AC and DC voltage applications up to 250V
- Designed for secure DIN rail installation using screw terminals
Applications
- Industrial machinery power supply protection
- Medical equipment input filtering
- Test and measurement instrument power conditioning
Procurement Notes
Verify the specific datasheet version for leakage current specifications, as sources vary between 250 µA and 0.5 mA. Confirm that the DIN rail mounting style matches your enclosure requirements. Ensure the 30 A current rating meets your system's peak load demands. Check for RoHS compliance status if required by your manufacturing standards.
Selection Notes
Select this component when a single-phase filter rated for 30 A is required. Ensure the operating environment stays within the -40°C to 85°C temperature range. Verify that the 250 VAC/VDC rating aligns with your system's nominal voltage. Consider the physical dimensions for DIN rail compatibility before integration.
Part Context
This part belongs to the Cosel NBH series of power line filters. The series offers various current ratings and attenuation characteristics. The NBH-30-331-D specifically targets high-current applications requiring robust EMI suppression in compact DIN rail form factors.
Replacement Considerations
Check Cosel's official substitution guide for direct equivalents. Verify pinout and mounting hole patterns match existing designs. Ensure electrical ratings meet or exceed original requirements.
