Datasheet ALDP105 (Panasonic) - 8

GUIDELINES FOR POWER, HIGH-CAPACITY DC CUT OFF AND SAFETY RELAYS USAGE Ambient Environment ■ Usage, Transport, and Storage Conditions During usage, storage, or transportation, avoid locations ● Icing subjected to direct sunlight and maintain normal Condensation or other moisture may freeze on relays temperature, humidity and pressure conditions. when the temperature become lower than 0 ℃.This ●Temperature/Humidity/Pressure icing causes the sticking of movable portion, the When transporting or storing relays while they are tube operation delay and the contact conduction failure etc. packaged, there are cases the temperature may differ Panasonic Industry Co., Ltd. does not guarantee the from the allowable range. In this case be sure to check failures caused by the icing. the individual specifications. The heat conduction by the equipment may accelerate Also allowable humidity level is influenced by the cooling of relay itself and the icing may occur. temperature, please check charts shown below and Please conduct product evaluations in the worst use relays within mentioned conditions. ( Allowable condition of the actual usage. temperature values differ for each relays, please refer to the relay's individual specifications. ) ● Low temperature and low humidity 1) Temperature: The plastic becomes brittle if the relay is exposed to a The tolerance temperature range differs for low temperature, low humidity environment for long each relays, please refer to the relay's individual periods of time. specifications 2) Humidity: 5 to 85 % RH ● High temperature and high humidity Storage for extended periods of time ( including Humidity (％ RH) transportation periods ) at high temperature or high humidity levels or in atmospheres with organic gases or sulfide gases may cause a sulfide film or oxide film 85 to form on the surfaces of the contacts and/or it may interfere with the functions. Check out the atmosphere Allowable range in which the units are to be stored and transported. Avoid icing Avoid con- when used at densation when temperatures used at tem- ● Package lower than 0°C peratures higher than 0°C In terms of the packing format used, make every effort 5 to keep the effects of moisture, organic gases and -40 0 85 sulfide gases to the absolute minimum. Ambient temperature (℃) 3) Pressure: 86 to 106 kPa ● Silicon When a source of silicone substances ( silicone rubber, ●Dew condensation silicone oil, silicone coating materials and silicone filling Condensation occurs when the ambient temperature materials etc. ) is used around the relay, the silicone gas drops suddenly from a high temperature and humidity, ( low molecular siloxane etc. ) may be produced. or the relay is suddenly transferred from a low ambient This silicone gas may penetrate into the inside of the temperature to a high temperature and humidity. relay. When the relay is kept and used in this condition, Condensation causes the failures like insulation silicone compound may adhere to the relay contacts deterioration, wire disconnection and rust etc. which may cause the contact failure. Do not use any Panasonic Industry Co., Ltd. does not guarantee the sources of silicone gas around the relay ( Including failures caused by condensation. plastic sealed types ). The heat conduction by the equipment may accelerate the cooling of device itself, and the condensation may ● NOx Generation occur. When relay is used in an atmosphere high in humidity Please conduct product evaluations in the worst to switch a load which easily produces an arc, the NOx condition of the actual usage. ( Special attention should created by the arc and the water absorbed from outside be paid when high temperature heating parts are close the relay combine to produce nitric acid. to the device. Also please consider the condensation This corrodes the internal metal parts and adversely may occur inside of the device. ) affects operation. Avoid use at an ambient humidity of 85 % RH or higher ( at 20 ℃ ). If use at high humidity is unavoidable, please contact our sales representative. Panasonic Industry Co., Ltd. Electromechanical Control Business Division industry.panasonic.com Panasonic Industry Co., Ltd. 2024 ASCTB412E 202408 ー 7 ー