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EATON Relays

Why Eaton Relays Are Trusted in Industrial Systems

In control panels, automation lines, and machinery, relays serve as the “decision makers” — they translate low-power logic into switching of larger loads, or protect circuits from fault conditions. Eaton relays stand out in the market thanks to their consistent quality, compliance with international standards, and broad range of types covering many use cases. Whether you need Eaton control relays, Eaton timer relays, or Eaton interface relays, the Eaton brand brings legacy and technical depth.

Because relays are often “invisible” until they fail, many engineers prefer Eaton’s reputation: spare parts are available, datasheets are well-documented, and support is reliable. Eaton also extends into adjacent fields (contactors, circuit breakers, motor protection), which helps ensure compatibility across system components.

Types of Eaton Relays & Their Applications

1. Control Relays & Interface Relays

Eaton control relays (sometimes called interface relays) are used to bridge logic/control circuits to power circuits. They allow PLC signals, low voltage DC or AC control lines to actuate contact pairs. These relays often come with multiple changeover contacts (NO/NC), LED status indicators, and standardized mounting (socket or DIN). Their role is central in industrial control, safety circuits, and signaling architectures.

 

Other Eaton products:

170M8533 Eaton Bussmann series high speed square body fuse
FUSE 500A 1000V 1B/75 AR
Terminal block, low voltage, 310 A, AC 600 V, DC 600 V, 2P, UL
Power terminal block, 600 Vac, 600 Vdc, 310 A, Three-pole
Eaton Bussmann series BSPD surge protection device, 300 kAIC, Surge protection device, BSPD series, NEMA 4X, 5960-63

2. Timer Relays

Eaton timer relays introduce time delay functions into control systems: delay on make, delay on break, interval modes, cyclical timing, etc. For example, in a pump or fan control circuit, a timer relay may introduce a start delay to avoid simultaneous inrush. Eaton timer relay modules often support adjustable time ranges, repeat cycles, and multi-mode operation.

3. Solid State Relays

Eaton solid state relays (SSRs) offer silent switching, high speed, and long lifecycle because they contain no mechanical contacts. Eaton’s HLR series is a good example — it integrates heat sinks, supports zero-voltage switching, and is compact for DIN-rail mounting.
SSRs are especially useful in high switching frequency environments, for heating elements, lighting control, or precise load management. They reduce wear, eliminate contact bounce, and provide longer service life compared to electromechanical relays. 

4. Industrial / Heavy-Duty Relays & Relay Modules

For demanding environments, Eaton industrial relays and relay modules are built for robustness. They may include features such as higher current ratings, reinforced insulation, protective housings, plug-in sockets, and modular replacement. These play roles in motor control, safety interlock systems, and heavy automation setups.

5. Relay Sockets & Accessories

Relays often require matching Eaton relay sockets or bases, with proper mounting, wiring terminals, and sometimes retaining clips. These sockets allow relays to be replaced in the field without rewiring. Accessories such as jumpers, DIN bars, covers, coil suppression modules, and status LEDs complement the relay ecosystem.

Technical Considerations & Standards

When specifying relays, keep these key parameters in mind:

  • Contact ratings / current capacity: e.g. 6A, 10A, 16A, etc., AC or DC load.
  • Coil voltage and control range: e.g. 24 V DC, 230 V AC, or wide range coils.
  • Contact arrangement (NO, NC, changeover): how many poles, which combinations.
  • Mechanical / electrical life: number of cycles expected under load.
  • Mounting style: DIN-rail, plug-in socket, PCB mount, panel mount.
  • Switching speed / response time: especially for interface or SSR relays.
  • Protection features: coil suppression diodes, varistors, transient protection.
  • Certifications and standards: UL, CE, IEC 61131, IEC 60947, etc.
  • Environmental rating: temperature range, vibration, shock, humidity, enclosure (IP rating).
  • Heat dissipation & spacing: SSRs and high-load relays require heat sinks or clearance.

Eaton’s relays (particularly solid-state models) often include integrated heat sinks and compact form factors — the HLR series, for example, saves space inside control cabinets while maintaining thermal performance.

Use-Case Scenarios

  • In automation panels, Eaton control relays receive PLC output and switch contactors, providing galvanic isolation and protection.
  • For staged fan control or pump cycling, Eaton timer relays insert delays so equipment doesn’t start simultaneously on power-up.
  • In heating systems or lighting arrays, Eaton solid state relays switch frequently under electronic control — offering silent operation and minimized wear.
  • In factory control rooms, Eaton industrial relays or relay modules handle signaling between protective relays, safety circuits, and master controllers.
  • In maintenance settings, modular Eaton relay sockets allow service teams to pull relays easily, test them offline, and swap with spares — minimizing downtime.

Product Examples

  • Eaton EASY‑E4‑UC‑12RC1 programmable relay — a logic/timer controller unit that can also form part of a relay system.
  • Eaton EASY‑E4‑AC‑12RC1 programmable relay
  • Eaton EASY‑E4‑DC‑12TC1 programmable relay
  • Eaton Z‑S230/SO general purpose relay — a standard relay, useful for switching control circuits.
  • Eaton ZE‑2,4 thermal overload relay — protects motors by disconnecting at overload.

You can include others such as SSRs, interface relays, or larger modules in the same layout.

Procurement & Logistics by Bank of Lamps

As a wholesale distributor, Bank of Lamps offers a full B2B framework for Eaton relays:

  • Individual B2B prices tailored per project or volume.
  • Dedicated personal account manager to assist with technical and logistic questions.
  • Real-time stock visibility from our Latvia warehouse and partner stocks.
  • Quick quote request via online — responses typically within 1 hour.
  • Order by EAN / MPN so you can upload parts lists reliably.
  • Downloadable price lists with validity dates for predictable budgeting.
  • Lead time tracking so you know status from placement to dispatch.
  • Access to purchase history for easy reorders.
  • Post-payment terms (up to 30 days) available for trusted clients.
  • Consolidated shipping to reduce freight cost when combining relay orders with other product lines.

Delivery across UK, Germany, Netherlands, France, Spain, Belgium, Baltics, including full documentation, CE / UL / IEC certificates, batch traceabili