"Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime"
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
All orders are subject to product availability. See our T&Cs.
Ask our team
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Schneider ZB4BG27 is a robust and versatile head for a key selector switch, designed to integrate seamlessly into a wide range of industrial control systems. This component is part of the Harmony XB4 series, renowned for its reliability and ease of use in demanding environments. Crafted with a black metal bezel and a round operator profile, the ZB4BG27 features a stay-put operator type with a black key switch that provides tactile feedback for precise control. The switch operates in 2 positions at 90 degrees, offering clear and decisive actuation for critical operations. The keylock type is Ronis 455, and the key can be withdrawn in the left position, ensuring secure and authorised access to the system's controls. With a mounting diameter of 22 mm, this key selector switch head is designed for standard panel cut-outs, making it a straightforward choice for both new installations and upgrades to existing systems. The unit's CAD dimensions are 29 mm in width and height, with a depth of 72 mm, and it has a net weight of 0.098 kg, ensuring it doesn't add significant bulk to control panels. The ZB4BG27 is engineered to withstand harsh conditions, boasting resistance to high-pressure washers up to 7000000 Pa at 55°C, and mechanical durability of 1 million cycles, highlighting its capacity for long-term use. It also meets international standards for overvoltage protection and is rated for IP66, IP67, IP69, and IP69K, as well as NEMA 13 and NEMA 4X, which certifies its resistance to dust, water, and corrosion, making it suitable for a wide range of industrial settings. This key selector switch head is a Green Premium product, reflecting Schneider Electric's commitment to sustainable development. It complies proactively with the EU RoHS directive, ensuring it is free from hazardous materials and is designed with environmental impact in mind. The ZB4BG27 is a reliable choice for industrial operators seeking a durable and secure control mechanism. Its robust construction, combined with high protection ratings, makes it an ideal solution for applications where precision and longevity are paramount.
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Support centreOur global network and dedicated team act fast to keep your supply chain moving.
Contact usFind answers, guidance and resources to help you get the most out of our services.
Support centreWhether you're maintaining existing equipment or sourcing parts for current systems, we provide fast, dependable supply you can rely on.
50+ account managers available now
"Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime"
"Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times."
"Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!"
"Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!"
"Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping. "
"Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges! "
We take care of the logistics so you don't have to. From customs documentation to real-time tracking, our service ensures your parts arrive on time, every time. Reliable, straightforward delivery you can trust.
Full 12-month warranty
ISO 9001:2015 certified
Swift global delivery
Courtney Zeinert
Facilities Manager
Whether you need advice or help finding the right part, our team is available to assist and keep your operations running smoothly.