Schurter's T9 fuseholder style circuit breaker series is now expanded to include a version for vertical PCB mounting. The new T9-817 model completes the existing range, which includes a horizontal PCB version, and three different panel mount styles. The full range of mounting styles provides a form and fit alternative to equivalent closed fuseholders.
The T9 family of thermal circuit breakers provides an array of mounting styles alternative to industry standard closed fuseholders, including vertical and horizontal mounted PCB types, and three different panel mount styles with quick connect terminals: snap in or nut fastened, including a threaded neck rear-mount style. The newest addition, T9-817 PCB for vertical PCB mounting, reduces assembly costs and saves board space, by eliminating assembly hardware and wires. It sports a slim design and a small cylindrical push-to-reset button, which protrudes minimally through the panel opening. A spring pushes the button out further when the device trips.
Circuit breakers are an ideal alternative to fuses, since fuses are known to age, due to pulse or high surge currents, and thus trip prematurely. Circuit breakers prevent unnecessary down time by eliminat-ing the need for fuse replacement, as well as the associated risk of inadvertently inserting a fuse with the incorrect current rating. The T9 series thermal circuit breaker is therefore intended as an alternative to 5x20 or 6.3x32 mm fuses used with closed fuseholders.
Typical applications for circuit breakers include power supplies, UPS systems, PDUs, electric tools, mo-tor drive applications, medical diagnostic equipment, commercial kitchen appliances, lighting fixtures, HVAC products as well as equipment for sports and leisure activities. The T9 series is also available on request with glow-wire tested (GWT) materials and is therefore suitable for unattended household appli-ances. The T9 product line conforms to UL 1077, CSA C22.2 235 and IEC 60934 standards. It is cURus, VDE and CCC approved.
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
Schurter’s website now offers 3D CAD Models for EMC Filters, along with PCB Libraries for Chokes and PCB-Filters.
Schurter has created 3D CAD models for its full range of 1- and 3-phase EMC filters. Each product model can be previewed in the web browser, and manipulated for viewing at all angles. The models are available for download in the most common formats of IGS, STEP and Parasolid for easy import into most CAD programs.
Also available for download are PCB libraries for all board mount chokes and filters. The libraries provide comprehensive design aids, with each library containing an electrical schematic, footprint and Altium Designer formatted 3D model. The Altium Designer is a commonly used 3D PCB editor for electronic design.
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
Models 434/435/437 Wing Union/Hammer Union Pressure Sensors are designed for demanding oil and gas applications as well as stimulation and circulation systems. They are constructed as an all-welded, stainless steel assembly with the sensor diaphragm and wing union fitting machined as one part, which provides hermetic integrity and minimizes media leakage versus multi-piece parts. The isolated pressure sensing diaphragm minimizes zero-shift during hammer up and eliminates long-term signal drift in the field. The Weco® 1502, 2002, and 2202 Wing Union-compatible fittings are machined of Inconel® X-750, or optional NACE-compliant Inconel® 718, allowing for use with abrasive and corrosive media. The Honeywell proprietary stainless steel electrical connection provides enhanced secondary pressure containment. Special assembly processes provide enhanced shock and vibration for reliable performance in the field.
Key Features
* Pressure range 0 to 5000 psi; 0 to 6000 psi; 0 to 10000 psi; 0 to 15000 psi; 0 to 20000 psi; 0 to 350 bar; 0 to 400 bar; 0 to 700 bar; 0 to 1000 bar; 0 to 1350 bar
* High accuracy ±0.1 %FSS BFSL (Model 435); standard accuracy ±0.2 %FSS BFSL (Models 434/435/437)
* Standard aperture (Models 434/435) and wide aperture (Model 437) pressure ports support media blends with high viscosities
* Inconel® X-750 or optional NACE-compliant Inconel® 718 wetted parts
* Multiple electrical connectors supported
* Pressure connections: WECO 1502, 2002, 2202
* High accuracy 1-wire or 2-wire shunt calibration option allows ability to validate the offset signal in the field, ensuring the sensor is actively plugged into the system
* Protective cage option
* RFI/EMI protected
* Intrinsically safe: CFMUS/ATEX/IEC Ex certification
* CE approved
Potential Industrial Applications
– Acidizing
– Choke manifold
– Fracturing and cementing
– Mud pumps / mud logging
– New well development and extraction
– Oil and gas drilling
– Service and cement trucks
– Standpipe
– Well stimulation
– Well head measurement
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
Save Time and Costs with Eaton DC-Contactors
Clever Use of a Proven Technology
Thanks to the use of proven hybrid technology, the contacts in Eaton DC contactors have a long lifespan and low contact wear. Hybrid contactors feature two mechanical contacts – a extinguishing contact and a break contact – that are connected in series.
Moreover, they have an IGBT power semiconductor switch connected in parallel with the extinguishing contact. When one of these contactors is switched off, the first thing that happens is that the IGBT is switched on. After this, the extinguishing contact opens mechanically, commutating the current to the IGBT so that it can be interrupted by the power electronics. Finally, the break contact is opened in a de-energized state, achieving the required potential isolation.
Together with this configuration, a wide-range coil for DC and AC voltages makes our DC contactors a maintenance-free and reliable part of any machine or system.
Efficient and Compact
• With up to 150,000 operations, these units have a lifespan that is six times longer than that of comparable devices
• No maintenance costs, resulting in lower operating costs
• Lower switching contact wear as a result of extremely short arcing times
• Convenient to switch on and off: either conventionally or directly with a programmable logic controller (PLC)
• Compact frame size designed to save space
• Very short opening and closing times of main contacts
Reliable and Flexible
• Wide control voltage range of 110 V – 250 V AC, 110 V – 350 V DC
• Globally certified: UL, CSA, CCC, GL, DNV
• Bi-directional operation (polarity insensitivity) ensures ease of use
• Wide temperature range of -40 °C to +70 °C
Ideal for a Large Variety of Applications
• Solar power
• Rail traffic
• Marine & Offshore
• Energy storage
• Automotive charging infrastructure
• DC grids
Designed for Industrial Use
• Universal concept
• Fast and easy to install thanks to tried-and-true terminal types
• Based on Eaton's well-known contactor technology
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
Get a grip on panel installations with Finder’s new MasterIn system of push-in relay interface modules. Finder’s latest advancement provides a high performance, screwless system that allows panel designers and installers to save precious time and money.
When challenged head-to-head, the push-in terminal technology outperformed the conventional installation method— a whopping 80 per cent faster than manual screw drivers, and 25 per cent faster than electric screw drivers.
The MasterIn System also demonstrates better clamping performance under vibration and movement than its screw-in rivals.
Jumper links allow quick connections and separate test points add to the flexibility of the system and are further reasons to choose the new Finder interface range.
The MasterIN System incorporates the existing 39, 48, 4C and 58 Series Finder Relay Interface Modules, and caters for a wide range of applications including industrial automation, building management systems and electrical control panels.
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
To facilitate greater integration of controls and automation in building services, Finder has expanded its 22 Series modular contactor range to include 4 pole versions rated at 40A and 63A.
Finder’s modular contactor range is an ideal choice for higher current switching in quiet areas. With its virtually silent operation, it’s suitable for residential, hospital, hotel and other commercial installations.
For demanding industrial applications, it features a robust contact design, allowing high inrush capability, making it great for controlling lighting as well as motor loads.
Giving greater integration of controls and automation in building services, it provides a compact, quiet, high-power multi-pole switching solution.
Protective separation between coil and contacts provides reinforced insulation for safety, as required by many domestic and commercial standards/codes of practice.
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
Finder’s new dual stage, high efficiency, switch mode power supplies answer the call for low voltage power in industrial, commercial and domestic applications where reliability and safety are paramount.
With the widest supply voltage range available on the market in both AC and DC, the compact yet powerful rail-mounted 78.2E features a 10A, 240W, 24V DC output, with overload and short circuit protection, and the highest efficiency and lowest ripple voltage at full load.
Finder’s characteristic quality is evident in its double sided soldering, front panel replaceable fuse plus a spare and thermal protection with LED status indication, all in a tidy, narrow (60mm) package.
State-of-the-art circuitry provides improved efficiency and reliability, and Power Factor Correction is included as standard, ideal for a wide range of applications, including industrial automation systems, control and measurement systems, and LED lighting.
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
With the recent reminders of the need to protect against flood water and other detrimental water leakage, Finder has expanded its range of liquid level control relays with the introduction of the 072.11 surface water sensor.
Working in conjunction with a liquid level control relay from the 72 series range, the surface water sensor has been designed to sense water levels as low a 1 mm, making it ideal for a range of applications, from detecting spillage around vending machines in sensitive areas such as computer suites, to the early detection of flood water in the basement or ground floor of a home.
Reinforced electrical isolation between the three circuit elements within the level control relay helps the system designer meet the personal safety required in virtually all equipment standards, and low voltage makes the sensor safe to touch.
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
Schurter’s SHT 6.3x32 fuse provides higher voltage overcurrent and short circuit protection up to 1500 A @ 500 VAC and 400 VDC in a universally accepted compact package size 6.3x32 mm, ¼” x 1 ¼”. The compact high performance fuse is ideally suited for primary AC circuit protection in 3-phase systems, HVAC systems, lighting and other industrial building and automation systems. The new 400 VDC rating provides primary protection in DC power systems for intelligent buildings, telecom centers, server farms and related peripheral systems. The combined AC and DC voltage ratings along with a detailed listing of breaking capacity ratings, and other precisely defined performance specifications, offer a highly reliable fuse approved for use in both alternating or direct current power applications.
The SHT 6.3x32 is available as a standard fuse link in 16 rated currents from 1 to 32 A. Versions up to 10 A are offered with pigtail leads for direct mounting on printed circuit boards. The standard fuse links can be used in a variety of panel or board mount fuse holders or clips for easy fuse replacement. SCHURTER also offers a full range of high current fuse holders and clips, compatible with the SHT, as well as its fast-acting counterpart series SHF.
Direct compatibility with the most important competitive products, together with exceeding performance, makes the SHT 6.3x32 a form, fit, and function substitute product, as well as a fuse that fulfills newly defined application requirements, particularly those applications found in the area of DC power. The SHT 6.3x32 fuse is cURus approved and conforms to RoHS.
Technical Data / Approvals
- Certification according to UL 248-14, CSA C22.2 no. 248.14
- High breaking capacity (H) up to 1500 A at rated voltage
- High rated voltages up to 500 VAC / 400 VDC
- 16 rated currents from 1 A to 32 A
- Time-lag (T) characteristics
Application
- High-power 3-phase systems
- Building automation: heating, ventilation and air conditioning (HVAC)
- Photovoltaic: protection between inverter and grid
- Frequency converters and ballasts
- Power distribution for servers in datacenters
- Higher voltage DC telecom and intelligent commercial building applications
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
Schurter expands the UMT-H range with the rated currents 20A, 25A and 30A. They are now available from stock.
The compact SMD fuse UMT-H stands out with its high breaking capacity. With its square, compact design, it is the space saving alternative to classic cylindrically shaped cartridge fuses (e.g. 5x20 mm) and also suited for more cost-effective, automated assembly. Furthermore, SCHURTER is going to extend the UMT-H range this year by the rated currents 63 mA, 80 mA, 100 mA and 125 mA.
Enquiry Form: https://www.epreston.co.uk/contact/
Home Page: https://www.epreston.co.uk/epblog/
© E. Preston (Electrical) Ltd 2024.
UK distributor of electrical and electronic components.
