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October, 2019 Reliable Connections for More than 50 Years,
The Success Story of the Wire End Ferrule
By Simon Kresser, Sales and Marketing Manager, Z+F
design switch cabinets and control panels in a former coal cellar in Wangen, Germany. Zoller and Frölich quickly faced the challenges of complex electrical connections. These connections used to be
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soldered, making them difficult to install in narrow areas and also prone to electrical mechanical or physical impacts. If these connec- tions broke, the result would be a short circuit or a malfunction of the entire controls, necessitating service or repair. It took a lot of pioneering spirit,
endurance and eventually a project in Spain in the late 1960s to find a simple, yet groundbreaking solution to these challenges — the insulated wire end ferrule. It was invented and patented by Z+F in 1969. Consisting of a metal tube and plastic collar, the ferrule allows the quick and flexible processing of wires, while ensuring a
n October 1963, school friends Hans Zoller and Hans Frölich founded Z+F to manufacture and
high degree of mechanical and elec- trical connectivity and increased safety.
Wiring Around the World All Z+F ferrules are still pro-
duced at the company’s headquarters
in Wangen and shipped around the world. Over the years, the demand for ferrules has increased steadily. Starting off with only a few thousand pieces per year, the company cur- rently turns out approximately 1.8 billion ferrules per year. A high degree of automation is
one factor, which allows Z+F to keep its leading position in the market. Other factors include quality, strong and long-lasting partnerships, as well as certifications. Z+F produces according to high quality standards, ensured by various monitoring and inspection mechanisms. Connections by Z+F are certified by CSA, as well as UL standards 486 A, B and F. Various types of Z+F ferrules
Z+F’s wire end ferrules create safe and convenient electrical connections for control systems.
have evolved over the past five decades. There are loose piece fer- rules, ferrules on reel, belt strips, uninsulated ferrules and twin fer- rules — the latter were also invented and patented by Z+F. Aside from the certifications, Z+F ferrules are available in differ-
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