YX-G Series (Terminal Bolt): A Three-Phase EMI Filter for Secure High-Current Cabinet Wiring, Drive Systems, and Faster RFQs

What the YX-G Series (Terminal Bolt) is

The YX-G Series (Terminal Bolt) is a three-phase AC line EMI filter intended for equipment that needs controlled input-side noise performance and a more secure termination style than a simple fast-on connection. In practical terms, it is the kind of filter engineers place at the power entry of a cabinet, between the incoming three-phase line and the noisy conversion hardware downstream. That downstream hardware might be a variable-frequency drive, a servo drive, a UPS front end, a switching power subsystem, or another converter-heavy load that can push switching noise back toward the mains.

The reason this matters is simple: many cabinet builds do not fail because the core electronics are weak. They fail because the final wiring, grounding, and cable routing turn a good electrical design into a noisy assembled product. A three-phase filter is one of the first control points in that chain. The TPS YX-G Series product page positions the series around three-phase filtering with terminal-bolt termination, making it relevant to buyers who care not only about EMC goals but also about field-friendly assembly and maintenance.

For US integrators and OEM sourcing teams, a product introduction should do more than restate the nameplate. It should answer four commercial questions: where does this filter go, what kind of cabinets benefit most, what engineering decisions still need confirmation, and how quickly can the team turn interest into a buildable quote package. That is the lens used throughout this article.

Why terminal-bolt termination matters in industrial cabinets

The “Terminal Bolt” part of the name is not a cosmetic variant. It changes how the filter behaves in the real world of panel assembly. Bolt-down terminations are typically chosen when engineers want a more secure mechanical connection, lower risk of connection movement under vibration, and a wiring approach that better matches heavier conductors and long-life industrial service expectations. In a busy production environment, that often translates into better assembly repeatability, more confidence during inspection, and fewer surprises when equipment is transported or maintained.

For panel builders, bolt-down points also fit better with disciplined torque procedures. That matters when current levels rise, when cabinets see thermal cycling, or when service teams may need to rework or replace adjacent hardware later. Procurement teams like this too, because a physically robust connection style can reduce the hidden cost of returns, troubleshooting, and field visits.

Where the YX-G Series fits in real-world applications

The public TPS product page and the uploaded product sheet point to the same core use cases: three-phase motor drives, industrial automation equipment, UPS or SMPS systems, and general power-supply-oriented installations. That application mix is important because it tells buyers where the series is strongest. This is not a “one filter for everything” message. It is a signal that the YX-G Series belongs in converter-rich electrical systems where the power-entry design deserves deliberate EMC attention.

If your team is building full cabinets rather than just selecting components, it is worth connecting filter selection with the rest of the enclosure workflow. The projects that move fastest are usually the ones where the filter choice is reviewed together with industrial control cabinet design decisions, build-to-print control panel checkpoints, and cable/harness routing. If corrosion resistance or finish durability is also part of the deployment environment, enclosure planning should be coordinated with powder-coated electrical enclosure requirements rather than handled after the layout is frozen.

This is also where cross-selling becomes real rather than forced. A buyer evaluating the YX-G Series may also be sourcing 24 V control power, higher-power AC-DC conversion, or bidirectional power hardware for the same platform. Relevant adjacent reads include the 24 V DIN-rail power supply guide, the high-power industrial switching power supply guide, and the TBM750-53KUIF bidirectional power module overview.

How to read the series structure and variant choices

The uploaded product sheet is useful because it shows that the YX-G family is not a single fixed part number. It visually presents multiple schematic options, case families, and application notes. For engineers, that means the right purchase decision is not just “YX-G or not YX-G.” The real decision is which filter topology, which case size, and which current tier best fit the finished equipment.

One of the most practical cues on the uploaded sheet is the presence of multiple electrical schematic variants identified as 81, 82, 91, and 92. That tells buyers that the family includes more than one internal network structure. In other words, “same series” does not mean “same EMC behavior.” The best practice is to confirm the topology during quotation, especially if your machine has unusual leakage-current limits, a sensitive upstream environment, or aggressive drive switching behavior.

The same uploaded sheet also shows multiple case families labeled G2, G3, G4, G5, and G6. Even without turning the article into a dimension table, that is a useful reminder for panel builders: cabinet selection is not finished when the amp rating is finished. You still need to review footprint, mounting-hole pattern, cable bend space, terminal access, and airflow implications for the real enclosure.

Selection and installation guidance for better EMC results

A good filter choice can still underperform if the installation discipline is weak. That is why the best product introductions also set realistic expectations. A line filter is not a magic box that guarantees compliance in any cabinet. It is one element in the final electrical and mechanical system. The product page itself makes this point by reminding buyers that conducted emissions performance depends on the complete end-product design and test setup.

1) Size for the real operating envelope

Start with actual continuous current, not only nameplate current. Then review overload behavior, ambient temperature, duty cycle, and the likelihood of future configuration changes. If your procurement team wants fewer SKU changes later, it can be wise to define an engineering margin policy before you request the quote. Once that information is ready, send it with your YX-G Series RFQ so model screening starts with realistic conditions.

2) Treat grounding as part of the filter function

Short, wide grounding bonds are not optional details. They are part of whether the installed filter behaves as intended. Keep the protective-earth connection low impedance and avoid turning the ground path into a long, narrow detour. For background on EMC requirements in drive systems, engineers may also reference official sources such as IEC 61800-3. If a US certification or regulatory path is relevant to the end product, the compliance workflow should also be reviewed against official guidance from the FCC and, when applicable, line-filter standards handled through UL Solutions.

3) Separate line-side and load-side wiring physically

One of the fastest ways to lose filtering value is to route input and output conductors too close together. In tight cabinets, that often happens because the filter was selected after the layout was nearly complete. Review conductor paths early, especially if the same cabinet also carries control wiring, encoder leads, communication cables, or long motor outputs.

4) Validate with the final cable set and operating mode

Final emissions results depend on the installed system, not only on the component datasheet. If the equipment uses long motor leads, unusual grounding schemes, or several switching sources in one cabinet, plan for final verification using the real cable set and realistic operating modes. This matters just as much for first articles as it does for repeat production.

How the product supports broader panel-build and integration work

Buyers rarely purchase a three-phase EMI filter in isolation. They purchase it as part of a machine, panel, or subsystem that must ship on time. That is why the YX-G Series is commercially stronger when it is positioned inside the larger TPS ELECTRIC LLC workflow. If your project also requires enclosure fabrication, the same sourcing conversation may benefit from TPS resources on custom sheet metal enclosures and cabinets. If cable routing and EMC repeatability are critical, the related service context may include custom cable assemblies and wire harness manufacturing.

For more demanding electrical platforms, filter selection may also intersect with the magnetic and thermal stack. That is where cross-links to custom transformers and power inductors and custom cold plate design become commercially useful rather than decorative. These internal links help engineers see that the filter discussion can scale into a full project conversation instead of a single accessory transaction.

This matters for RFQ conversion because many US buyers are not looking for a catalog vendor alone. They want fewer handoffs between component choice, enclosure readiness, and final manufacturing execution. That value proposition becomes even stronger when paired with broader TPS content on electronic manufacturing services and mixed-technology PCB assembly.

RFQ checklist for engineering and procurement

If the goal is faster quote turnaround with fewer clarification loops, send the YX-G inquiry with enough engineering context to narrow the model family quickly. Procurement can still lead the request, but the most effective packages include basic electrical, mechanical, and compliance data from the engineering team.

1. Input line voltage, frequency, and system configuration.
2. Continuous current, overload profile, and ambient temperature.
3. Preferred internal filter schematic if already known, or the application details needed to recommend one.
4. Target mounting envelope, case-family limits, and terminal access constraints.
5. Cable lengths, especially long motor leads or other known noise sources.
6. Cabinet grounding strategy and any leakage-current limitations.
7. Certification or test path expectations for the end product.
8. Whether the same project also needs power supplies, cabinets, harnesses, or assembly support.

For buyers managing a broader platform, this is also the right stage to identify adjacent power needs. A project that includes the YX-G Series may still require compact DIN-rail power supplies, a ruggedized option such as the AIMF480-B24, or higher-power DC sources guided by the 24 V–48 V, 200 W–1000 W switching power supply selection article. Mentioning those needs in one request usually improves quote quality because the mechanical and electrical interfaces can be reviewed together.

FAQ

This article is written for the US market and is intended as a practical product-introduction page for system integrators, panel builders, procurement teams, and electrical engineers evaluating the TPS ELECTRIC LLC YX-G Series (Terminal Bolt) for real industrial projects.