TL4100 Series Tact Switch & TL4105 Series Ultra-miniature Tact Switch

Monday, July 11th, 2011

TL4100 Series Tact Switch

E-Switch introduces a unique tact switch that mounts on the side of the PC board. The TL4100 series tact switch offers up to 1,000,000 cycle life expectancy in an ultra-miniature size with two operating force options.

The markets for the new edge-mounted TL4100 series tact switch include audio/visual, consumer electronics, computer peripherals, instrumentation, medical equipment and telecommunication

•  LIFE EXPECTANCY: 1,000,000 Cycles
120gf +/- 50gf (1,000,000 cycles)
240gf +/- 60gf (500,000 cycles)
•  TRAVEL: 0.15mm +/-0.10mm
•  FUNCTIONS: SPST, Off-(On), momentary

TL4105 Series Ultra-miniature Tact Switch

E-Switch introduces a unique ultra-miniature tact switch that mounts on the side of the PC board. The TL4105 series tact switch offers a 200,000 cycle life expectancy in an ultra-compact size.

The markets for the new edge-mounted TL4105 series tact switch include audio/visual, consumer electronics, computer peripherals, instrumentation, medical equipment and telecommunication

•  LIFE EXPECTANCY: 200,000 Cycles
•  OPERATING FORCE: 160gf +/- 50gf
•  TRAVEL: 0.15mm +/-0.10mm
•  FUNCTION: SPST, Off-(On), momentary

Carling: PC-Series Ground Fault Circuit Protection

Monday, July 11th, 2011

Carling Technologies Inc is pleased to announce the addition of the 1-50 Amp PC-Series circuit breaker to its ground fault circuit breaker product portfolio.
The PC-Series is suitable for:

  • AC branch ground fault protection – a single circuit solution
  • AC main ground fault protection for a boat’s entire AC electrical system
  • Portable generator ground fault protection

Key Benefits of the PC-Series:

  • Increases safety around boats and marinas
  • Protects against electrical shock hazards in areas near water
  • Protects against defects in the wires & conductors
  • Reduces fire and shock hazards from defects in permanently installed appliances such as water heaters, battery chargers, lighting fixtures, etc.
  • Detects lower level ground faults which do not trip ordinary circuit breakers, but can lead to fires, and shock hazards for boating occupants

Innovative Features:

These precision mechanisms are temperature stable and are not adversely affected by temperature changes in their operating environment. As such, derating considerations due to temperature variations are not normally required, and heat-induced nuisance tripping is avoided.

  • Overload, short circuit and ground fault protection in a single package
  • Handle style actuators and rocker style “acuguard”
  • Wiping Contacts – Mechanical linkage with two-step actuation – cleans contacts, provides high, positive contact pressure & longer contact life
  • A trip-free mechanism, a safety feature, makes it impossible to manually hold the contacts closed during overload or fault conditions.
  • A common trip linkage between all poles, another safety feature, ensures that an overload in one pole will trip all adjacent poles.
  • Front panel mounting
  • Integral push-to-test button
  • Two integrated LED indicators distinguish if a breaker is closed with Line Voltage present, or has opened due to leakage current, or has opened due to over current, or is closed with no Line Voltage present.

Molex: Passive Multi-Port Distribution Block

Monday, July 11th, 2011

Achieve the fastest, smallest and most secure industrial DeviceNet*
connection with the Brad® DeviceNet Passive Multi-Port Distribution Block,
featuring the industry’s only 3-tier LED voltage-indication light and ground tabs for reliable circuit protection up to 10.0 A

The Brad® DeviceNet* Passive Multi-Port Distribution Blocks provide designers and users of DeviceNet systems with a complete communication and connectivity
solution – from scanner through media infrastructure to I/O connections.
The Brad DeviceNet 8-Port Distribution Block accepts industry-standard, threaded M12 connectors and Brad Ultra-Lock connectors.


  •  3-Tier LED voltage-indication light provides an instant, visual status of network power conditions and is the only LED indication light on the
    market to meet all ODVA specifications
  • Receptacle shells are connected to the ground tab providing reliable circuit protection in harsh environments
  • Smallest profile on the market, with a housing height of 20.00mm (.787″) provides nearly double the space savings versus competition
  • Mini-Change® Home-Run 10.0A connector design provides the highest current rating available on the market
  • Industry accepted 60.00mm (2.362″) format with standard hole pattern
    allows use of standard extrusion members and mounting holes for installation
    Sealed design withstands dust, pressure wash and submersion in water meets IP67 environmental protection ratings
  • Unique Ultra-Lock® “push-to-lock” radial-seal design provides the fastest, simplest and most secure connection system on the market between the distribution block and end devices
  • Block design consolidates wiring within a system reducing the number of distinct connections to one single multi-conductor pre-wired cable while eliminating the need for knockouts, terminal strips and separate enclosures
  • Rugged enclosure for reliable connections in an idustrial environment

Reference Information

  • Mates with:
         Port Connections: 5-Pole Micro-Change®
         DeviceNet Thin Media Cordsets
         Power Connection: 5-Pole Mini-Change
  • Packaging: Carton Box, Single Packaged
    (Conforms to Drop Test standard NSTA1A)
  • RoHS: Yes
  • Halogen Free: No


  • Voltage: 30V DC max.
  • Current:
         4.0A (M12 Ultra-Lock®) max.
         10.0A (Mini-Change®) max.Contact Resistance: <5 mΩ
  • Insulation Resistance:
         500V DC between pins 1 and 5
  • LED Function:
         (LO) <12.9V Amber
         (OK) 12.9 to 24.6V Green
         (HI) >24.6V Amber


  • Housing: Material: PBT GF20
  • Housing Finish/Color: Black
  • Receptacle Housing: Nickel Plated Brass
  • Grounding: All Metal Shells
         (M12-I/O Port +MC Ports) are
         Grounded to “PE” (Mounting Holes-2x)
  • Plating:
    Contacts —
    Gold (Au) Plated Brass
    Receptacle Housing —
    Nickel (Ni) Plated Brass
    Contact Carrier/insert: PBT GF20 / PVC
    Ingress Protection:
    Meets IP67 requirements when all plugs are connected
    Operating Temperature: – 25 to +70°C

• Semiconductor etching equipment
• Connect Mass Flow Controllers (MFC)
• Non-automotive transportation equipment
• Industrial machinery
– Packaging/robot/welding/material handling etc.
– Safety switch and light curtains
– Machine builders and system integrators

RBW2 Series Fully Illuminated IP66 Rated Rocker Switch

Tuesday, May 31st, 2011

Finally a fully illuminated power-rated rocker switch that is sealed to IP66 ratings WITHOUT THE BOOT! No rubber boot / PVC cap is needed for the RBW2 series rocker switch. It uses a patented sealing technology (Patent No. US 7,872,205 B2) to provide protection from dust and moisture all while offering full illumination!
Approved under new UL 61058-1 rating.
UL approved up to 1/3 HP

The markets for the new fully illuminated RBW2 series sealed rocker switch include commercial appliances, electrical housewares, floor care appliances, industrial controls, medical equipment and white goods.
Electrical Rating:
16(16)A 125VAC 5E4 T85 [cURus]
1/3HP 125VAC IP66 [cURus]
10(10)A 250VAC 5E4 T85 [VDE]
Electrical Life: 50,000 Cycles
Mechanical Life: 50,000 Cycles
Contact Resistance: <30mΩ Max.
Insulation Resistance: 500MΩ Min. at 500VDC
Dielectric Resistance: 1000VAC for 1 Minute
Operating Temperature: -20°C to +85°C Min.
Ingress Protection: IP66
Panel Cutout: 22mm x 30mm
Functions: DPST, Off-On; DPDT On-On

SEELOC® self-sealing washers become popular in alternative energy industry

Tuesday, May 31st, 2011


Mounted on a NEMA enclosure, independent of the tower,  or within the turbine nacelle, SEELOC — self-sealing washers are finding new applications  for sealing doors and knockouts. For use wherever environmental internal seepage  is problematic — when a common washer is unable to block contaminants,  such as moisture, dust, sunlight, and ozone.  SEELOC is a natural for green applications.

SEELOC® self-sealing washers are vibration-resistant, each having a silicone rubber section, molded and bonded to a stainless steel formed washer. These self-sealing washers are  for use with regular screws, bolts or studs for sealing panels and enclosures having large or irregular clearance holes or slots, and can also be used to seal openings of protruded mounting holes.  Self-sealing washers and fasteners are designed to seal out air, water, lubricants and other liquid or gaseous contaminants. Upon tightening, a seal is formed within the shank and threaded surface of the fastener as well as around the periphery of the washer face.

Features and Benefits:

  • UL & CSA Recognized for NEMA 4x Type 6 Rating
  • UL Tested
  • IP 66/68 Rated
  • Positive sealing under vacuum or pressure
  • Install like a conventional washer
  • Reusable & compatible with all surface finishes
  • Metal-to-metal contact assures fastening and sealing integrity
  • Optional seal materials – silicone rubber, BUNA-N, *Viton®, others
  • Optional black oxide finish with black silicone rubber
  • Uniform, high-strength design – exceeds 100psi internal & external
  • Temperature range of -160°F to +500°F (-106°C to +260°C)
  • Metric sizes available
  • Made in USA

Rugged, Vandal Resistant Keypads from EAO

Thursday, May 26th, 2011

EAO Switch Corporation of Milford, CT USA, a premier global supplier of Human Machine Interface (HMI) Systems and Components, announces M Series keypads to provide security and access control in public and harsh environments, including heavy-duty and specialty vehicle applications, public kiosks, and vending machines. The M Series modular design and rugged construction make it an ideal solution for fast configuration and customization in any outdoor application. 

The M Series offers secure, easy mounting and is shock proof and damage resistant to the IK09 standard, making it vandal-resistant for installation in public applications such as ATMs, ticketing machines, and access control systems. An anti-fraud detection circuit provides additional security.

The M Series is dust- and water-resistant to IP 67 for use in rugged applications, such as controls for heavy duty vehicles in construction, agriculture, and mining. Laser engraved legends provide clear instructions and high durability.

Configurability and customization make it easy for users to define the exact keypad configuration they require, and select the shape, dimension, color, and material for keys. User-specified layouts can include special key arrangements, with blanks, spaces, and rows to fit the application.  Tactile feedback can also be customized and include the length of key travel. The M Series offers a range of illumination and color options to ensure that the keypads provide the functional and ergonomic characteristics necessary for the application.

All products comply with international standards, including UL, CE, RoHS, CB – EN/IEC 60947-5-1, NFF 16-102, CSA, CCC, GOST, and German Lloyd.  UL approval is for copper wire, size 26-16.

EDS 2011

Monday, March 14th, 2011

Marsh Electronics will once again be attending the 2011 Electronic Distribution Show.  The show will be held in Las Vegas, Nevada at the Paris and Bally’s Hotels.  Marsh will have seven representatives on hand to network with others within the industry. 

EAO Develops Rugged Selector Switch with Clear Status Indication

Thursday, September 16th, 2010
Milford, CT – EAO Switch Corporation of Milford, CT USA, a premier global supplier
of Human Machine Interface (HMI) Components and Systems, announces their Series 04 hybrid, a rugged, large-lever selector switch. The Series 04 hybrid is an ideal HMI device for any application where it’s critical to show a very clear change in status, such as a door lock. This lever features a tough, anodized
aluminum handle with a comfortable grip. Behind the lever, there’s an immensely strong stainless steel locking mechanism from EAO’s Series 04 range, allowing it to withstand harsh operation, impact, and possible vandalism.
 This HMI device was originally developed as a door-locking mechanism for on-board toilet facilities in rail vehicles. EAO worked in full partnership with Bombardier, one of the world’s largest train builders, to address the needs of both passengers and service providers.  
To improve comfort and privacy, passengers require a clear, reassuring indication that the door is locked when the facility is in use. It must be intuitive, attractive, and easy to use by both able-bodied and less able-bodied passengers.
 For Bombardier, the selector switch complements the Series 56 pushbuttons, with their bright yellow bezel, LED halo illumination, and Braille markings. The Series 04 hybrid provides Bombardier with a robust, highly reliable solution that requires minimal maintenance and is resistant to heat, shock, and vibration. This switch, along with the Series 56, is sealed to meet IP67 standards from the front panel and has design features often referenced in disabled passenger access regulations such as RVAR (Rail Vehicle accessibility Regulations) and the ADA (Americans with Disabilities Act).  A self-cleaning, snap-action switching element with gold-plated silver contacts provides a reliable and long service life; silver/palladium contacts may be specified for particularly aggressive environments.

EAO develops HMI Components and Systems for applications ranging from transit systems to industrial equipment. Working closely with its customers and the appropriate regulatory bodies, EAO meets and exceeds expectations for panel layout and ergonomics, system integration, and electro-mechanical design. EAO’s components and systems undergo rigorous testing to assure reliability, repeatability, and long service life. EAO is ISO 9001, ISO 14001, IRIS, and ISO/TS 16949 certified for automotive and other industry requirements.

Bud Introduces Stainless Steel Enclosure

Sunday, May 23rd, 2010

The SNB-SS series, based on our very popular SNB product line, includes many extras such as the steel mounting panel inside the box.  These units are priced significantly lower than competition, providing a cost effective alternative for both electronic and electrical customers.

EDS 2010

Sunday, May 2nd, 2010

EDS 2010

Once again Marsh Electronics will be attending EDS in Las Vegas Nevada May 11th – 13th.  Marsh Electronics along with many other Electronic Distributors and manufactures will be meeting to network within the electronics industry.  EDS is known as the most efficient, effective way to conduct meetings, network and expose your company to new business.