Finder Series 46, 55, 39 Comparison

Finder 46 Series Miniature Industrial relays 8-16A

The 46 Series Finder mini industrial relays are distinguished by their ability to adapt to a wide range of industrial and commercial applications.

Among the main technical advantages, they ensure wide range of voltages available in both AC and DC versions, high-performance contacts made of high-quality materials (providing excellent conductivity and long operating life), high isolation (Galvanic isolation between coil and contacts for enhanced safety and reliability), compatibility with automation systems (can be integrated with major industrial automation platforms).

Function & Features:
The 46 Series comprises industrial power relays with the following features (according to Type):

• DC coils, 500 mW or AC coils, 1.2 VA
• Socket mount or direct connection via Faston connectors
• Available with lockable test button, mechanical flag & LED indicator
• 8 mm, 6 kV (1.2/50 μs) isolation, coil-contacts

Applications:

• Automation for Blinds, Grilles and Shutters
• Elevators and Lifts
• Shipyards
• Road / Tunnel Lighting
• Hoists and Crane
• Bottling Plant
• Control Panels
• Panels for Electrical Distribution

Finder 55 Series Miniature General Purpose Relays 7-10A

The Finder 55 Series miniature general-purpose relays are versatile 7–10A, 2–4 pole, plug-in or PCB-mount devices designed for industrial automation, HVAC, and power management. They feature AC/DC coils, optional lockable test buttons, mechanical indicators, and LED status, compatible with 94-series sockets.

Function & Features:
Finder’s 55 Series general purpose relay range includes the following features (according to Type):

• AC & DC coils
• PCB or Plug-in mounting
• Available with lockable test button, mechanical flag & LED indicator

Applications:

• Automation for Blinds, Grilles and Shutters
• Control Panels
• Panels for Electrical Distribution
• Control and Management of Electric Power
• Circuit Breakers and Switches
• Shipyards
• Road / Tunnel Lighting

Finder 39 Series - Relay Interface Modules (EMR or SSR) 0.1…6A

The Finder 39 Series MasterINTERFACE modules are ultra-slim (6.2 mm), DIN-rail mountable relay interfaces designed to isolate and switch loads between PLCs/controllers and field devices. Featuring EMR or SSR technology, they offer 1-pole (6A) switching, screw/push-in terminals, and jumper links for efficient wiring. These modules are ideal for space-constrained industrial automation.

Function & Features:
The 39 Series is a range of modular interface relays which include the following features (according to Type):

• 6.2mm wide
• DC, AC or AC/DC coil versions

• Special coil/input leakage current suppression types
• With fuse protection module
• Timer version
• ATEX/HazLoc compliant (EX nC) option available
• Push-in and screw terminals

Applications:

• Bottling Plant
• Packaging Machines
• Traffic Light Controls
• Carousel Warehouses
• Control Panels
• Panels for Electrical Distribution
• Labelling machines
• Hoists and Cranes

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

Industrial single phase Switch Mode power supply 24 V DC, 480 W output, Output adjustable between 24-28 V, Double stage with active PFC (Power Factor Correction).

Function & Features:

• High efficiency (up to 92%)
• Low stand-by power consumption
• Active PFC
• DC output voltage adjustable
• Short circuit protection with hiccup auto-recovery
• Thermal protection with auto shoutdown
• High peak current up to 30%
• Boost current up to 30% for 3 s (depending on version)

• Overvoltage protection: Varistor
• Compliant with IEC/EN 62368-1, UL 61010
• Parallel working for increased load current (with
  external diode) or redundancy
• 35 mm rail (EN 60715) mount

Applications:

• Building Automation
• Elevators and Lifts
• Automation for Blinds and Shutters
• Hoists and Cranes
• Panels for Electrical Distribution
• Control Panels for Pumps

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

72 Series Level Control Relays 16A

The 72 Series comprises level control relays for conductive liquids.

Function & Features (according to Type):

• Sensitivity fixed or adjustable (5…150kΩ)
• 35mm rail (EN 60715) mount

Applications:

• Industrial Washing Machines
• Swimming Pools
• Control and Management of Water
• Bottling Plant
• Milk Processing Plant
• Control Panels for Pumps

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

7S Series Modular Relays with Forcibly Guided Contacts 6-10A

The 7S Series consists of relays with forcibly guided contacts for SIL 2/SIL 3 safety applications, include the following features (according to Type)

Functions & Features:

• For safety applications, with class A forcibly guided
  contact relays (EN 50205)
• 2 pole (1NO + 1 NC), 4 pole (2 NO + 2 NC and 3 NO + 1 NC)
  or 6 pole (4 NO + 2 NC)
• 35 mm rail (EN 60715) mount, 22.5 mm wide
• Available version for railway applications

Applications:

• Hoists and Cranes
• Carousel Warehouses
• Escalators
• Elevators and Lifts
• Automatic Car-Washes
• Chemical and Petrochemicals
• Process Industry

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

50 Series Forcibly Guided Contacts Relays 8A

The 50 Series comprises relays which include the following features (according to Type)

Function & Features:

• 2 Pole changeover contacts
• PCB Relay with forcibly guided contacts according
  to EN 50205 type B
• High physical separation between adjacent contacts
• 8 mm, 6 kV (1.2/50 μs) isolation, coil-contacts
• Flux proof: RT II

Applications:

• Escalators
• Hoists and Cranes
• Carousel Warehouses
• Medical and Dentistry
• Hospitals
• Elevators and Lifts
• Disabled Lift

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

The Type 68.22-4300 100 A PCB mount power relay is ideal for a variety of high power applications such as generators, UPS, pumps, photovoltaic inverters and EV chargers.

Functions & Features

• Contact gap ≥ 3.6 mm (according to VDE 0126-1-1,
  EN 62109-1, EN 62109-2)
• DC coils, with 700 mW holding power
• Reinforced insulation between coil and contacts
• Suitable for use at ambient temperatures up to 85 °C
• Conforms to EN 60335-1 resistance to heat and fire
  (GWIT 775 °C e GWFI 850 °C)
• Cadmium free-contacts

Applications

• Power generators
• Back-up generators
• Pump controls
• Disabled lifts
• Inverters

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

Finder High Power Relays 32 - 40 - 100 Amp

The 68 Series includes a range of mount high power relays, ideal for EV chargers up to 55 kW (3-phase) and other high power applications.

Function & Features:

• Contact gap ≥ 3.6 mm (according to VDE 0126-1-1,
  EN 62109-1, EN 62109-2)
• DC coils, with 700 mW holding power
• Reinforced insulation between coil and contacts
• Suitable for use at ambient temperatures
  up to 85 °C
• Conforms to EN 60335-1 resistance to heat and
  fire (GWIT 775 °C e GWFI 850 °C).
• Cadmium-free contacts

Applications:

• Power Generators
• Back-Up Generators
• Pump Controls
• Disabled lifts
• Inverters
• Charging Stations

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

Finder Miniature PCB Relays 10 - 16A

The 45 Series products are miniature PCB relays for high ambient temperature + 105 °C / + 125 °C with the following features (according to Type):

Function & Features:

• Sensitive DC coil: 360mW
• Relay for +125°C ambient use
• Contact gap ≥ 3mm according to EN 60730-1
• 8mm, 6kV (1.2/50 μs) isolation, coil – contacts
• PCB mounting + 250 Faston

Applications:

• Burners, boilers and furnaces
• Film projectors
• Jacuzzis and hot tubs
• Electronic circuit boards

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/

Finder Low-Profile P.C.B. Relays 10 - 16A

The 43 Series is a range of miniature PCB relays with the following features (according to Type):

Function & Features:

• Low profile, 15.4mm height
• Sensitive DC coils: 250mW or 400mW
• Very high coil contact isolation 10mm, 6kV (1.2/50μs)
• Flux proof: RTII standard, (RTIII option)
• 3.2 or 5mm pin pitch

Applications:

• Medical and Dentistry
• Alarm Systems
• Air Conditioners
• Burners, Boilers and Furnaces
• Electric and Electronic Toys and Games
• Door and Gate Openers
• Electronic Circuit Boards
• Vending Machines

Enquiry Form: https://www.epreston.co.uk/contact/

Home Page: https://www.epreston.co.uk/epblog/