电动机的过电流大小与过电流时间之间的关系称为过载特性。在实际运行中，电机短时过载和较低程度的过载，是难以避免的，也是可以允许的，过电流大小和过电流允许时间呈反比，称为反时限保护特性
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Juniper Netscreen NS-5XP-001 VPN Security Appliance
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Juniper Networks SSG-5-SB-W-US Wireless Gateway a/b/g
Juniper / Netscreen 5GT Firewall / VPN Appliance - 10 U
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JUNIPER SA-4500 - SA4500 -New Open Box! Warranty - AN!
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JUNIPER SA-4500 - SA4500 -New Open Box! Warranty - AN!
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Juniper / Netscreen 5XP Firewall / VPN Appliance - 10 U
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Mint Juniper Networks SSG-5-SH Firewall
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Juniper Netscreen NS-208-001 Security VPN Firewall 1u
BATH AND BODY WORKS JUNIPER BREEZE BUBBLE BATH X1
Juniper NetScreen 25 NS-025-001 Advanced VPN Firewall
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