Weidmuller 1200640000

The KTB QL 553520 S4E3 terminal box is constructed from stainless steel 1.4404 (316L) with an electropolished surface finish, ensuring durability in various environments. With overall dimensions of 550 mm height, 350 mm width, and 200 mm depth, this enclosure is designed for installation in explosive risk zones and industries such as oil and gas, chemicals, and offshore applications.

Key features include a maximum payload of 77 kg and an operating temperature range of -60 °C to 135 °C. The box is equipped with gland plates on the bottom, left, and right for versatile cable entry options. The enclosure provides a protection degree of IP66, which is maintained unless operating above 105 °C. The lid can be secured using a quarter-turn fastener, and the design includes welded-on mounting feet for secure attachment.

Compliance with various standards, including DIN EN 62208 and IEC 60079, along with multiple certifications such as ATEX and IECEx, confirms the box's suitability for demanding environments. The internal structure features an M6 stainless-steel earth stud for grounding purposes, enhancing safety in operation. The KTB QL 553520 S4E3 is an optimal choice for reliable and secure electrical installations.