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The Staubli 66.9427‑21 is a high‑performance 4 mm female banana socket-style connector engineered for electrical test, measurement and high‑voltage applications. With a compact body of approximately 50.5 mm length and a tab termination method, it allows easy panel or PCB mounting. Rated for up to 10 A and voltages of 1 kV (CAT IV) and 5 kV (CAT I), depending on setup, this black‑insulated socket provides premium gold‑plated contacts for optimal conductivity and durability.
Designed for demanding environments where high insulation and secure connections are critical, the 66.9427‑21 excels by combining rugged mechanical design with electrical safety. The dual rating of 1 kV CAT IV and 5 kV CAT I makes it suitable for both industrial control panels and specialised test equipment. With its gold‑plated contacts and tab termination, it offers a low-resistance interface and reliable minimal noise. This means reduced signal loss, fewer failures, and enhanced long‑term performance, vital for precision instrumentation and sensitive power‑measurement applications.
For more information please check the datasheets.
I bought the Multi Contact Black Female Banana Plug with tab connection, and it works great. The plug is sturdy and rated for both 1kV and 5kV, making it versatile. EnrgTech's delivery was efficient, and their customer care team was supportive throughout the process. The sales team was professional and ensured I got the right product. EnrgTech is a reliable source for quality components.
The 66-9427-21 banana connectors I ordered from EnrgTech are of premium quality and provide a secure electrical fit. Delivery was smooth and right on time. The sales team was professional and guided me through product compatibility questions with ease. Customer care followed up promptly after delivery. It’s refreshing to see such service standards. I’ll continue to source all my electrical components through EnrgTech’s reliable online store.
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