“Shallco was formed and incorporated by John S. Shallcross in June of 1967 with an attenuator product line acquired from Shallcross Manufacturing Company…”
Shallco – Manufacturer of Switches Breakers
Shallco snap-action switches comprise assemblies of electrically insulated stators and rotors as an integral assembly with a drive mechanism that indexes the rotors in 90 degree increments.
Snap-Action Power Switches
- Positions: 2 to 4, up to 12 poles
- Double wiping contacts, low contact resistance
- Current ratings to 200 amperes
- Rapid make and break action
- AC and DC switching
- Many circuit variations available
308 Components Dr Smithfield NC 27577, USA
Test equipment and controls Distributor and added Services in USA. “Since 1912, Davis Instruments has built a history of supplying customers with innovative test, measurement, control and calibration technologies.”
Davis Instruments – EE Equipment Distributor
Authorized, stocking distributor for Fluke, Tektronix, Agilent, etc. Test Equipment and Controls including oscilloscopes, spectrum analyzers, function generators, power supplies, signal generators, power meters, DMMs, etc.
Portaflow-C Portable Transit Time Flowmeter
Compact and Non-Invasive Portable Transit-Time Ultrasonic Flow Meter System. Sensor options accommodate pipe sizes from 0.5” to 235”. Energy (BTU) measurement capable with analog input.
625 East Bunker Court Vernon Hills, IL 60061-1844, USA
Leading provider of Intrinsic Safety interfaces, surge protection, fieldbus systems and panel essentials like alarms and annunciators. These are used in process control applications.
MTL Instruments – Cooper Crouse-Hinds
News – The Honeywell Modbus Read-only Firewall is unique in the industry as it is the first fixed configuration firewall to use Tofino’s “deep packet inspection” technology against the popular SCADA protocol, Modbus TCP.
Tofino MODBUS Read-Only firewall
This technology scans every network message, only allowing a very limited set of valid Modbus “Read-only” commands through to the safety system.
LED Series is a range of versatile, high-performance, surge protection devices.
LED Series surge protection – MTL Instruments
The fast acting circuitry will protect equipment from damaging electrical transients and disturbances. Fully automatic in operation the LED Series reacts immediately, clamping voltage surges without causing undue leakage losses under normal operation.