塑殼配電保護(hù)DZ20Y-630/3310 630A
產(chǎn)品概述
DZ20Y-630/3310塑殼斷路器是一款額定電流630A的三相配電保護(hù)設(shè)備，采用優(yōu)質(zhì)工程塑料外殼設(shè)計，具有結(jié)構(gòu)緊湊、安全可靠的特點。該產(chǎn)品適用于交流50Hz/60Hz、額定工作電壓380V及以下的配電系統(tǒng)中，主要用于線路的過載、短路保護(hù)以及電動機(jī)保護(hù)功能。產(chǎn)品采用模塊化設(shè)計理念，便于安裝維護(hù)，可廣泛應(yīng)用于工業(yè)控制、建筑配電等場合。123
技術(shù)特點
本產(chǎn)品采用熱磁式脫扣機(jī)構(gòu)，具備精確的過載長延時保護(hù)和短路瞬時保護(hù)特性。觸頭系統(tǒng)采用特殊合金材料，具有優(yōu)異的導(dǎo)電性和抗熔焊性能，確保分?jǐn)嗄芰_(dá)到65kA。操作機(jī)構(gòu)采用彈簧儲能式設(shè)計，實現(xiàn)快速閉合與分?jǐn)�，機(jī)械壽命達(dá)10000次以上。產(chǎn)品提供板前接線和板后接線兩種安裝方式，并配備透明防護(hù)蓋設(shè)計，便于觀察內(nèi)部狀態(tài)。輔助觸頭配置為兩常開兩常閉，可滿足多種控制需求。456
產(chǎn)品參數(shù)
額定絕緣電壓660V，額定工作電壓380V，額定電流630A可調(diào)范圍400-630A。產(chǎn)品外形尺寸為300×120×85mm（長×寬×高），重量約1.13kg。短路分?jǐn)嗄芰_(dá)到Icu=65kA，Ics=50kA（有效值）。脫扣器類型為3310配置，包含過電流脫扣功能，支持手動操作和電動操作兩種控制方式。產(chǎn)品工作環(huán)境溫度為-5℃至+40℃，存儲溫度范圍為-40℃至+70℃，適應(yīng)多種復(fù)雜工況環(huán)境。789
英文介紹（English Description）
The DZ20Y-630/3310 molded case circuit breaker is a three-phase protection device with 630A rated current, featuring compact structure and reliable performance. Suitable for 50Hz/60Hz AC power systems with rated operational voltage up to 380V, it provides effective protection against overload and short circuit conditions in distribution networks. The thermoplastic housing ensures electrical insulation and mechanical strength, while the visible trip indicator allows quick status monitoring. 1011
Equipped with thermal-magnetic trip unit, this breaker delivers precise time-delay overload protection and instantaneous short-circuit protection. The silver-alloy contacts maintain stable conductivity with excellent arc resistance, achieving breaking capacity of 65kA. The spring-operated mechanism guarantees fast switching action with over 10,000 mechanical operations. Available in both front-mounted and rear-mounted versions, it includes 2NO+2NC auxiliary contacts for control circuit integration. The transparent cover design facilitates visual inspection without disassembly. 1213
Key specifications include: rated insulation voltage 660V, operational voltage 380V, adjustable current range 400-630A. Dimensions measure 300×120×85mm (L×W×H) with approximate weight of 1.13kg. Short-circuit breaking capacity reaches Icu=65kA, Ics=50kA (RMS). The 3310 trip unit configuration incorporates overcurrent protection functions, supporting both manual and electrical operation modes. Operating temperature ranges from -5℃ to +40℃ with storage conditions between -40℃ to +70℃, ensuring reliable performance in diverse environments. 1415
塑殼配電保護(hù)DZ20Y-630/3310 630A
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