It implies that the product has a matte finish and is made of or finished with stainless steel
namely the voltage that the material this telephone socket uses can withstand for a given wall thickness before dielectric breakdown or electrical discharge
During commissioning of the luminaire write the commissioning date on the battery
Metal Gold Hairline - E83T25N_GH_G12
Being made of PC (polycarbonate)
8UD1900-2HA00 Siemens Door coupling 8x 8 mm, accessory for: shaft 8x 8 mm, 3VA, 3VM, 3KX, 3RV, 3LD5 UL data socket RCA S?Video It implies that the productDoor coupling 8x 8 mm Accessory for: Shaft 8x 8 mm, 3VA, 3VM, 3KX, 3RV, 3LD5 UL Door coupling rotary operating mechanism, 3KD Manual operators for all round convenient operation of the 3VA molded case circuit breaker. Available as a front, door, and side panel rotary actuator with various locking and interlocking options. The handles are available in standard and EMERGENCY STOP variants, each with or without an illumination kit. SENTRON 3VA molded