<p>When selecting an accessory for industrial applications, it&#39;s essential to focus on the technical specifications and standards that ensure reliability and safety. This particular accessory is designed with versatility and durability in mind, making it a suitable choice for environments like mining, construction, and heavy industry.</p><p>Rated at 230 VAC/DC, this illuminated accessory operates efficiently within a wide voltage range while maintaining robust performance. Its front degree of protection is IP66, offering excellent resistance to dust and high-pressure water jets, which makes it highly durable in harsh conditions. Meanwhile, the terminal side has an IP20 rating for standard protection against finger access.</p><p>The product meets several critical standards such as EN IEC 60947-1, EN IEC 60947-5-1, EN IEC 60947-5-5 for low-voltage switchgear and control gear components. It also complies with UL 508 and CSA C22.2 No. 14 for North American markets ensuring broad compatibility in international projects.</p><p>With an ambient temperature range from -25 to 70 degrees Celsius, this accessory can withstand extreme temperatures without compromising functionality. The rated insulation voltage stands at a solid 690 V providing reliable insulation under operational stress while its rated impulse withstand voltage of 6 kV ensures resilience against transient overvoltages.</p><p>The contact configuration includes two normally open (2NO) contacts suitable for various circuit designs requiring straightforward control logic. The actuator type offers flexibility with both flush and extended options catering to different installation preferences.</p><p>Illumination is provided by a built-in LED lamp featuring a green color that enhances visibility even in poorly lit environments. The legend markings &quot;I&quot; (upper) and &quot;O&quot; (lower) are clearly indicated on the white upper button and black lower button respectively aiding intuitive operation by users.</p><p>Constructed with a plastic bezel material this accessory balances lightweight design with sturdy performance characteristics ideal for demanding use cases. The cutout size of 22 mm aligns with common panel configurations simplifying integration into existing systems.</p><p>Included components such as the operator contact block contact block holder and LED block streamline installation processes reducing time spent on assembly or maintenance tasks.</p><p>This well-rounded set of features makes it an efficient choice where reliability is paramount ensuring consistent operation across diverse industrial settings.</p>