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Mitsubishi Electric NF100, Quick Start Manual

The Mitsubishi Electric NF100 Quick Start Manual is a comprehensive user guide designed to assist users in efficiently setting up and operating their NF100 device. This must-have manual can be easily downloaded for free from our website, ensuring a seamless user experience. Get started effortlessly with the NF100 today!

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CIRCUIT BREAKER

MODEL

NF50 AND 

NF100

QUICK START MANUAL

Mitsubishi Electric Automation, Inc.

Summary of Contents for NF100

Page 1: ...CIRCUIT BREAKER MODEL NF50 AND NF100 QUICK START MANUAL Mitsubishi Electric Automation Inc ...

Page 2: ...TANDARD WORKING CONDITIONS 3 1 3 MOUNTING AND CONNECTIONS 3 1 4 PRECAUTIONS FOR CONNECTIONS 4 1 5 MAINTENANCE AND INSPECTIONS 4 2 SPECIFICATIONS 6 3 MODEL NUMBER SELECTION 7 4 DIMENSIONS 7 5 AMBIENT TEMPERATURE 7 6 INTERNAL CONNECTION DIAGRAM 8 7 OPERATING CHARACTERISTIC CURVES 8 Mitsubishi Electric Automation Inc ...

Page 3: ...wder and rain water will not enter the circuit breaker Failure to do so may make the circuit breaker inoperative Connect the circuit breaker to a power supply appropriate to the rating of its body Failure to do so may make the circuit breaker inoperative or damage it Tighten securely the lead wire in the open phase to the neutral wire on the load side If the wires are not connected the open phase ...

Page 4: ... Fix Conductors A large electromagnetic force is applied on the connected conductor according to the accident current Use the conditions on the right as guide and securely fix tighten the conductors Electromagnetic force applied per 1m conductor During 3 phase short circuit Current Target Value kA Pf Distance Between Conductors cm 10 20 10 0 4 490 245 18 0 3 1860 930 25 0 2 4410 2205 35 0 2 8720 4...

Page 5: ...no cracks damage or breaks If any conductor is loose tighten again with the appropriate torque Has the breaker been submerged and infiltrated with water Is the breaker heavily dirtied by mud or dust There must be no infiltration of water heavy mud or dust Has the temperature risen abnormally 1 Visually inspect that none of the studs on the backs of the terminals or the breaker s tightened or molde...

Page 6: ...otal operating cycles More than 100 315 or less 1000 7000 8000 More than 315 630 or less 1000 4000 5000 More than 630 2500 or less 500 2500 3000 More than 2500 500 1500 2000 The operating life shortens as the circuit breaker frame size increases Refer to above tables These values may seem low but since this circuit breaker is a protective device it basically differs from a switch intended for freq...

Page 7: ...e 4 DIMENSIONS NF50 SVFU 18 36 54 36 18 87 5 120 16 5 36 35 M5 0 8 screw 26 90 61 76 68 65 56 ø8 3 37 50 ø4 2 24 3 5 NF100 HRU 5 AMBIENT TEMPERATURE NF50 SVFU 130 120 110 100 90 80 10 Ambient Temperature C 60 50 40 30 20 10 0 Operating Time Change Rate Rated Ambient NF100 HRU 70 80 100 150 200 250 300 Ambient Temperature C 10 60 50 40 30 20 10 0 Operating Time Change Rate Rated Ambient Mitsubishi ...

Page 8: ... Degree Switching Means 7 OPERATING CHARACTERISTIC CURVES NF50 SVFU UL 489 Min Max 3A 30A Max 40A 50A Current of rated current 4h 2h 1h 30min 20min 10min 14min 6min 4min 2min 1min 30s 20s 10s 5s 2s 1s 0 5s 0 2s 0 1s 0 05s 0 02s 0 01s 100 200 300 400 500 600700 1000 1500 2000 3000 4000 135 The extended tripping time Instantaneous trip Operating Time NF100 HRU 0 01s 0 02s 0 05s 0 1s 0 2s 0 5s 5s 1s ...

Page 9: ...Vernon Hills IL 60061 Ph 847 478 2100 Fx 847 478 2253 us MitsubishiElectric com fa en support January 2016 2016 Mitsubishi Electric Automation Inc Specifications subject to change without notice All rights reserved AZ Y 0720 1203 Mitsubishi Electric Automation Inc ...

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