Item specifics

• Main

• Circuit breaker name MasterPact NW08H1
• Control type Push-button
• Control unit Without control unit
• Device Application Power distribution protection
• Performance type H1 65 kA 440 V AC
• Poles description 3P
• Product name MasterPact NW
• Range MasterPacT
• Selectivity category Category B
• Suitability for isolation Yes conforming to EN/IEC 60947-2
• [In] rated current 800 A at 40 °C
• [Ue] rated operational voltage 690 V AC 50/60 Hz
• Product or component type Circuit breaker
• mounting mode Drawout

• Complementary

• Connection pitch 115 mm
• Depth 395 mm
• Downside connection Front Rear
• Electrical durability 10000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 10000 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 AC-23A: 10000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3 AC-23A: 10000 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3 AC-3: 6000 cycles 440/690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3
• Height 439 mm
• Maximum breaking time 25 ms
• Maximum closing response time 70 ms
• Mechanical durability 12500 cycles without maintenance 25000 cycles with maintenance
• Mounting support Backplate Rails
• Net weight 90 kg
• Power dissipation in W 100 W
• Product Certifications CE CCC EAC
• Sensor rating 400 A 800 A
• Standards EN/IEC 60947-1 EN/IEC 60947-2
• Upside connection Front Rear
• Width 441 mm
• [Icm] rated short-circuit making capacity 143 kA 220/415 V AC at 50/60 Hz 143 kA 440 V AC at 50/60 Hz 143 kA 525 V AC at 50/60 Hz 143 kA 690 V AC at 50/60 Hz
• [Ics] rated service breaking capacity 65 kA at 220/415 V AC 50/60 Hz 65 kA at 440 V AC 50/60 Hz 65 kA at 525 V AC 50/60 Hz 65 kA at 690 V AC 50/60 Hz
• [Icu] rated ultimate short-circuit breaking capacity 65 kA at 220/415 V AC 50/60 Hz 65 kA at 440 V AC 50/60 Hz 65 kA at 525 V AC 50/60 Hz 65 kA at 690 V AC 50/60 Hz
• [Icw] rated short-time withstand current 65 kA 1 s 36 kA 3 s
• [Uimp] rated impulse withstand voltage 12 kV
• [Ui] rated insulation voltage 1000 V AC 50/60 Hz

• Environment

• Ambient air temperature for operation -25…70 °C
• Ambient air temperature for storage -40…85 °C
• IP degree of protection IP30 conforming to IEC 60529
• Operating altitude 0...2000 m without derating 2000 m...5000 m with derating
• Pollution degree 4 conforming to IEC 60664-1

• Packing Units

• Number of Units in Package 1 1
• Package 1 Height 30.5 cm
• Package 1 Length 37.5 cm
• Package 1 Weight 47.036 kg
• Package 1 Width 29.5 cm
• Unit Type of Package 1 PCE

• Contractual warranty

• Warranty 18 months