777-P2 - 777 シリーズ

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リテルヒューズの製品は、所定のリテルヒューズ製品文書に明記した用途で使用することを目的として設計されており、それ以外の用途を目的としたものではありません。製品文書にない用途でのご使用はお控えください(自動車関連、軍関連、航空宇宙産業、医療、救命、生命維持、原子力施設、人体への外科的移植用器具のほか、製品が所望の稼働状態にならないことによって怪我、死亡、物的損害を招く恐れのあるアプリケーションすべてを含みますが、これらに限定されません)。該当するリテルヒューズの文書にない用途で製品を使用された場合、リテルヒューズの保証は無効となります。リテルヒューズは、該当するリテルヒューズの文書に明記されていない用途で使用された製品に関する申し立て、および損害に対して責任を負いかねます。リテルヒューズとの特段の合意がない限り、リテルヒューズの製品の販売および使用にはリテルヒューズ販売契約条件が適用されます。「リテルヒューズ」とは、Littelfuse, Inc. およびそのすべての関連法人の総称です。

The 777-P2 three-phase current and voltage monitor provides motor protection with input voltage from 200–480 V ac and motor full load ampere range as follows: 2–20 A (looped conductors required): 20–90 A (direct); 90–800 A (external CTs required).

Property (Mouseover for details) Value
Input Voltage (V) 200 - 480 Vac
Maximum Input Power 10
Input AC Line Frequency (Hz) 50 / 60
Output Form SPDT - Form C
Output Load Rating (VA) Pilot Duty: 480 VA @ 240 Vac B300; General Purpose: 10 A @ 240 Vac
Full Load Amp Range (A) 2 - 20 (looped conductors required); 20 - 90 (direct); 90 - 800 (external CTs required)
Timing Accuracy (%) ±0.5 s
Rapid Cycle Timer (s) 0 - 999 s
Restart Delay Range All faults except undercurrent: 2 - 500 m; Undercurrent: 2 - 500 m A (Automatic); # of Restarts: All faults except undercurrent: 0; 1; oc1; 2; oc2; 3; oc3; 4; oc4; A; ocA (Automatic); Undercurrent: 0; 1; 2; 3; 4; A (Automatic)
Repeat Accuracy (%) Voltage: ±0.5% of nominal voltage; Current: ±1% (<100 A direct)
Overvoltage Trip Voltage (%) 172 - 528 V
Undervoltage Trip Voltage 170 - 524 V
Voltage Unbalance Trip Point (%) 2 - 25% or 999 (disabled)
Voltage Accuracy (%) ±1%
Overcurrent Trip Point (20 - 100 A) … MULT of 80 - 140% of CT primary
Overcurrent Trip Class 02 - 60; J02 - J60; L00 - L60; or OFF
Undercurrent Trip Point 0; 10 - 98 A … MULT or 40 - 140% of CT primary
Undercurrent Trip Delay (s) 2 - 999 s (default)
Current Unbalance Trip Point (%) 2 - 50% or 999 (disabled)
Current Accuracy (%) ±3% (<100 A direct)
Ground Fault Current Trip Point (A) (3 - 20) … MULT or 12 - 40% of CT primary or OFF
Ground Fault Accuracy (%) ±15%
Sensor Hole Size Max conductor size: 0.65 in (with insulation)
Short Circuit (kA) 100
Surge Protection IEC: 61000-4-5 Level 3 2 kV line-to-line; Level 4 4 kV line-to-ground
Protection Class IP20 (finger safe)
Pollution Degree 3
Address A01 - A99
Termination Type Torque: 7 in-lbs
Mounting Method Surface mount (4 - #8 screws) or DIN rail mount
Operating Temperature -20° to 70°C (-4° to 158°F)
Storage Temperature (F/C) -40° to 80°C (-40° to 176°F)
Humidity 10 - 95% non-condensing per IEC 68-2-3
Dimensions 3.05 H x 3.85 W x 5.05 D in. (77.5 x 97.8 x 128.3 mm)
Weight (lbs/g) 0 Kg
Check Stock Yes

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