Custom DIN Rail EMI Filter Industrial Noise Suppressor

The CW4L2-S(005) DIN Rail Series is a custom-engineered, DIN rail-mountable single phase AC power line EMI filter developed under LXLZ’s ODM manufacturing program. Combining the enlarged high-current body of the S(005) platform with a factory-integrated industrial-grade 35mm DIN rail mounting assembly, this filter is purpose-built for direct snap-on installation into IEC-standard industrial control panels, automation cabinets, and electrical enclosures — without panel drilling, additional brackets, or mounting hardware.

Manufactured by LXLZ (Shenzhen Lize Electronics), the (005) ODM designation identifies this unit as a customer-specification variant featuring a 4×0.7mH custom inductance, enlarged wide-body housing for thermal headroom at high current ratings, and gold-plated 3-position terminal blocks on both LINE and LOAD sides — all integrated with a zinc-plated steel DIN rail clip assembly for fast, secure panel installation.

Rated for 115VAC / 250VAC at 50Hz / 60Hz, available in current ratings from 1A to 40A, and fully CE and RoHS certified, this series addresses the requirements of panel builders, system integrators, and OEM manufacturers who need high-current EMI filtering in a DIN rail form factor — and who may also require custom-specification ODM development capability for future programs.

Specifications

📄 Full dimensional drawings including DIN rail footprint, terminal layout, and insertion loss curves available upon request.

Product Features

Industrial-Grade 35mm DIN Rail Mounting Assembly

The most critical differentiator of this series is its factory-integrated DIN rail mounting system — visible clearly in the product images:

• Zinc-Plated Steel Rail Clip — Heavy-duty construction with yellow zinc chromate surface treatment for corrosion resistance in industrial enclosure environments
• Locking Adjustment Screw — Positive mechanical locking prevents clip disengagement under vibration, cable pull forces, or thermal cycling — essential for sustained reliability in industrial machinery panels
• 35mm TS35 DIN Rail Compatible — Conforms to EN 60715 standard, the universal rail profile used in IEC-compliant control panels worldwide
• Tool-Assisted Installation — Snap onto rail, tighten locking screw with screwdriver — complete installation in under one minute per unit
• Repositionable — Loosen clip, slide to new position, re-lock — enables panel layout adjustment without enclosure modification

Wide-Body Nickel-Plated Steel Housing

• Enlarged body volume compared to standard DIN rail EMI filter designs — provides the internal space required for higher-inductance (4×0.7mH) core assemblies and improved thermal dissipation at 30A–40A sustained loads
• Fully enclosed construction — maximum electromagnetic shielding with no aperture leakage
• Nickel-plated surface — corrosion resistance, reliable chassis ground bonding contact
• Robust mechanical integrity for long-term industrial panel service

Gold-Plated 3-Position Terminal Blocks with Transparent Covers

• 3-position blocks on both LINE and LOAD sides — L, N, and E on both input and output, enabling complete protective earth continuity through the filter assembly
• Gold-plated copper terminals — minimal contact resistance, oxidation-free long-term performance, reliable current carrying at full rated load
• Transparent safety covers — live terminal protection, contamination prevention, and industrial safety compliance
• Opposing side-exit orientation — LINE terminals exit left, LOAD terminals exit right, enabling clean straight-through cable routing within panel wiring architecture

Custom 4×0.7mH Inductance — ODM Engineered

The 0.7mH inductance value is a custom-specified parameter — engineered to deliver the target insertion loss performance profile across the required frequency range while maintaining thermal stability at the full 1A–40A current rating span. This value is not available in standard catalog products and reflects the precision of LXLZ’s ODM engineering capability.

Dual Voltage: 115VAC / 250VAC

Single product variant supports both North American (115V/60Hz) and international (220–250V/50Hz) power standards — simplifying global panel build specifications and international inventory management.

Circuit & Internal Component Details

Capacitor Network

• CX (X-Class, Differential-Mode): 3 × 0.1μF Line-to-line connected, attenuating differential-mode conducted EMI generated by switching loads, inverter drives, and non-linear equipment
• CY (Y-Class, Common-Mode): 2 × 3300pF Line-to-earth and neutral-to-earth, providing controlled common-mode noise discharge to chassis ground — effective across the high-frequency interference spectrum

Inductor Network

• L: 4 × 0.7mH Common-Mode Choke Custom inductance value on high-permeability toroidal cores — selected to optimize the balance between insertion loss performance, core saturation margin at high current, and physical size within the wide-body housing

Bleed Resistor

• R: 1MΩ / 0.5W X-capacitor safety discharge resistor — mandatory for IEC 60335 and EN 60950 compliance, ensuring safe charge dissipation after AC power removal

DIN Rail Installation — Visual Guide

Based on the product images, the installation sequence is:

Step 1 — Position
  Hold filter above the 35mm DIN rail with clip 
  assembly facing the rail surface

Step 2 — Engage Upper Hook
  Hook the upper rail clip edge over the top 
  flange of the DIN rail

Step 3 — Snap Lower Clip
  Press the lower clip down and onto the 
  bottom rail flange until it seats fully

Step 4 — Lock
  Tighten the adjustment screw on the zinc clip 
  to lock the filter firmly against the rail

Step 5 — Wire
  Connect LINE terminals (L/N/E) to power source
  Connect LOAD terminals (L/N/E) to equipment
  Replace transparent terminal covers

Step 6 — Ground Verify
  Confirm E terminal and housing are bonded 
  to panel chassis ground

ODM Capability — This Product as Proof of Concept

The CW4L2-S(005) DIN Rail series exists because a customer came to us with requirements that no standard catalog product met. We engineered a solution — custom inductance, enlarged housing, DIN rail integration, full certification — and brought it to production.

We can do the same for your requirement.

Custom Parameters We Can Engineer

ODM Engagement Process

1. Submit requirement → Engineering review within 48 hours
2. Specification proposal → Circuit design + cost estimate
3. Sample approval → Prototype within 15–25 business days
4. Validation → Customer electrical and mechanical testing
5. Production release → Volume supply with dedicated model code

Why Source From Our Factory

Full In-House Manufacturing

• Circuit design and component engineering
• Toroidal inductor core winding — in-house production
• Sheet metal enclosure fabrication and nickel plating
• DIN rail bracket fabrication and zinc treatment
• Complete electrical testing laboratory on-site
• CE certification management and documentation

Quality Control & Testing