Schneider Electric front element key lock. Manufacturer: Schneider Electric. Designation: Front element key lock. Type: ZB4BG020. Number of switching positions: 3. Actuating element type: Key. Suitable for lighting: No. Colour of actuating element: Black. Lens design: Round. Hole diameter: 22.5 mm. Switching function latching: Yes. Keying: No. With front ring: Yes. Material of front ring: Metal. Colour of front ring: Chrome. Protection class (IP), front side: IP66. Protection class (NEMA): Other.

Further details: Front element for key switch Harmony ZB4. Black front, chrome-coated metal cover. 3 positions +/- 45°, key removal in each position. Dimensions (WxHxD): 29x29x72 mm, mounting diameter: 22 mm, weight: 0.098 kg. Mechanical life: 1,000,000 cycles. Lock type: Ronis 3131A, latching, round head, standard. With high vibration resistance and chemical resistance, ambient temperature: -40 to +70 degrees C. The modular metal range with 22 mm mounting dimension combines easy installation, efficiency, and modern design. Certifications according to DNV, UL listed, LROS (Lloyds Register of Shipping), BV, GL, RINA, CSA. Product standards according to UL 508, EN/IEC 60947-5-5, EN/IEC 60947-1, EN/IEC 60947-5-4, GB 14048.5, CSA C22.2 No 14, EN/IEC 60947-5-1.