Save Space, Save Time, Stay Safe with the New MTL Compact Fieldbus Barrier from Eaton

EIN Eaton fieldbus 400

Nov 15, 2019

Eaton has added a new ‘compact’ model to its class-leading MTL 937x-FB Fieldbus Barrier range. The 937x-FB3 offers specifiers, system builders and end users a cost-effective option that delivers all the benefits of proven MTL intrinsically safe barrier technology within a significantly smaller footprint.

The new MTL Compact Fieldbus Barrier uses the same proven electronics as the established 937x-FB Fieldbus Barrier range with over 10 years reliable operation. However, it is 40% smaller than standard MTL Fieldbus Barriers thanks to a simplified design, which eliminates internal wiring. Its compact, economical design minimises capital expenditure on cost-sensitive projects and delivers key benefits including shorter installation time, a lower risk of faults and simplified maintenance requirements. Its compactness also allows Fieldbus Barrier architecture to be deployed anywhere, making the 937x-FB3 particularly suited to oil & gas, petrochemical and other industrial applications where the need for intrinsic safety combines with limitations on installation space.

The MTL FB3 is a wiring hub for connecting intrinsically safe (IS) field instruments to a fieldbus network in hazardous locations. The device takes in the high energy trunk supply and converts it to an intrinsically safe supply so that it cannot act as a source of ignition in potentially explosive atmospheres.

Offering full trunk surge protection, the FB3 enables safe, live workability on spurs, optimising uptime.

A single FB3 module supports complete segments with up to 12 spur connections. Customers can specify the technology either as a module for third party integration and certification, or as a complete assembly within a stainless steel enclosure. To make commissioning easier, the complete assembly option is supplied with hazardous area certification of the junction box and internal components. Specifiers and system builders can also select from a wide variety of assemble-to-order (ATO) options for fast product delivery to meet customer requirements: all of which makes the FB3 a flexible and versatile barrier solution for IS applications.

The MTL FB3 Compact Fieldbus Barrier is registered with the FieldComm Group, so specifiers and users can be confident that it is universally compatible with other Foundation fieldbus H1 products. The FB3 also holds relevant certifications for global compliance with EMC, low voltage and ATEX for CE products. Suitable for mounting in IEC Zone 1 and any Gas Group, the FB3 is fully compliant with connection to FISCO (Fieldbus Intrinsically Safe Concept) or entity devices in a Zone 0 hazardous area.  In addition, the FB3 can be replaced as a single module with a gas clearance certification.

Go HERE for more information

Related Articles


Latest Articles

  • Stephanie Medeiros on EV Infrastructure in Canada, Innovative Technologies, Well-Planned Charging Networks, & Commercial Fleets

    Stephanie Medeiros on EV Infrastructure in Canada, Innovative Technologies, Well-Planned Charging Networks, & Commercial Fleets

    September 3, 2026 By Blake Marchand In this Q&A with Stephanie Medeiros, the Head of Mobility at Schneider Electric Canada provides insight into her perspective on EV charging infrastructure in Canada, factors that will contribute to growing EV adoption, grid modernization for commercial fleets, the role of Vehicle-to-Grid and other innovative approaches to electrification. The focus of… Read More…

  • LEDVANCE: Understanding Light Beam Angles

    LEDVANCE: Understanding Light Beam Angles

    September 3, 2026 Light Beam Angles: How It Affects Different Types of Lighting, Where It Is Applied & What to Consider When Choosing the Right One Beam angle is important in lighting design. It determines how light spreads within a space and influences both functionality and atmosphere. By understanding beam angles, you can achieve both… Read More…

  • ITC 101 Series: Why Certifications (UL, CSA) Matter in Industrial Components

    ITC 101 Series: Why Certifications (UL, CSA) Matter in Industrial Components

    September 2, 2026 By ITC Electrical Components When selecting industrial electrical components, certification is more than a logo on a datasheet. A certification mark indicates that a product or component has been independently evaluated against specified requirements for its intended market. In North America, selecting products with the appropriate certification can affect regulatory acceptance, equipment… Read More…

  • Project Spotlight: Leigh Square Fountain

    Project Spotlight: Leigh Square Fountain

    September 2, 2026 In spring 2025, the City of Port Coquitlam unveiled a transformed Leigh Square, reimagined as a vibrant, accessible, and welcoming gathering place in the heart of downtown. At the heart of the renewed plaza, a Bellagio-style programmable dancing fountain is integrated directly into the paving—three interlocking rings where jets rise, fall, and… Read More…


Changing Scene

  • Leviton Canada Appoints Salex as Network Solutions Sales Agency for Ontario

    Leviton Canada Appoints Salex as Network Solutions Sales Agency for Ontario

    September 9, 2026 Leviton Canada is pleased to announce the appointment of Salex Inc. as their authorized sales agent for the Network Solutions (NS) product portfolio across the Ontario market, effective immediately. This appointment reflects their commitment to strengthening customer engagement, expanding market coverage, and providing enhanced local support throughout the province. Salex brings a… Read More…

  • Ontario Electrical League Brings Free Electrical Industry Roadshow to Barrie September 22

    Ontario Electrical League Brings Free Electrical Industry Roadshow to Barrie September 22

    September 9, 2026 The Ontario Electrical League is bringing its Roadshow to Barrie on Tuesday, September 22, 2026, and the invitation is simple: if you are part of Ontario’s electrical industry, or interested in becoming part of it, you are welcome. The free event will bring together independent electrical companies, Licensed Electrical Contractors, business owners,… Read More…

  • 2026 Ontario Apprenticeship Awards Call for Nominations

    2026 Ontario Apprenticeship Awards Call for Nominations

    September 3, 2026 Skilled Trades Ontario is proud to open nominations for the 2026 Ontario Apprenticeship Awards, recognizing outstanding apprentices, journeypersons, organizations and skilled trades leaders who are helping strengthen Ontario’s apprenticeship system. Award recipients will be announced at the Ontario Apprenticeship Summit on November 4, 2026, at the Toronto Congress Centre. Nominations must be submitted… Read More…

  • Bartle & Gibson Announces New Partnership with Hubbell Canada

    Bartle & Gibson Announces New Partnership with Hubbell Canada

    September 3, 2026 Bartle & Gibson Co. Ltd., an Alberta-based premier plumbing, heating and electrical distributor and Hubbell Canada have announced a new regional partnership enabling increased access to Hubbell Canada’s end-to-end electrical product portfolio across Western Canada. “With our strong presence in the west through 31 branches and counting located in Alberta, Saskatchewan, British… Read More…