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Primary brand
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Siemens
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Main function
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Electronic Overload Relay (EOR)
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Product series / family name
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SIRIUS
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Sub-range name
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3RB30 series
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Type
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Option = Standard (No options)
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Network frequency
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50/60Hz
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Functions
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Electronic Overload O/L Protection Relay (EOR)Motor protectionRotary knob for adjusting rated motor currentTest trip function
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Design
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for direct connection to cont.Ambient compensated in a range of -4°F to 140°F
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Poles
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3-poles (3P)
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Rated current
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5A < In ≤ 10A 10A < In ≤ 15A 15A < In ≤ 20A 20A < In ≤ 25A
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Rated current
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6A-25A (adjustable)
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Rated voltage (AC)
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690Vac
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Connection type (electrical)
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Terminals (Screw-clamp)
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Connection type
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direct connection to contact. (ingoing main connections)Screw-clamp connections (outgoing main circuits)Screw-clamp connections (control circuits)
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Poles
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3P
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Protection functions
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Electronic overload Class 103-phase overloadwith phase loss sensitivityPhase unbalance trippingPhase failure trippingsolid-state test
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Protection settings
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Overload protection -- 6A-25A (adjustable)
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Mounting mode
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Direct mounting on contactor
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Mounting mode
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Direct mounting on cont.
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Operating mode
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Manual/automatic reset
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Contacts type
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1NO+1NC aux. contacts (FAULT)1NO+1NC aux. contacts
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Dimensions
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Size S0
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Dimensions (frame size)
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S0
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Technical compatibility with
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3RT202 series
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Order code / Manufacturer SKU
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3RB3026-1QB03RB30261QB0
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Manufacturer product status
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Commercialized
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Equivalent to
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3RB30261QB0
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EAN code
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4011209749146
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UPC code
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662643902884
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Compliant with standard(s)
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IEC 60947-4-1EN 60079-7EN 60947-1EN 60947-4-1EN 60947-5-1EN 60079-14
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Location of origin
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Czech Republic
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Protection functions
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Electronic protection = overload Class 10
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Product title
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Electronic Overload O/L Protection Relay (EOR) - Siemens SIRIUS
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