EATON MCCB NZMH2-A20-S1

EATON MCCB NZMH2-A20-S1

EATON MCCB Digital NZM

ZMH2-A20-S1 – Circuit-breaker, 3p, 20A 1000V.

Category:
Tags:

Description

EATON MCCB  NZMH2-A20-S1

Eaton MCCB NZM (Digital NZM Moulded Case Circuit Breaker)

Circuit-breaker, 3p, 20A 1000V 

Part no. NZMH2-A20-S1

Delivery program

Product range Circuit-breaker
Protective function System and cable protection
Standard/Approval IEC
Installation type Fixed
Release system Thermomagnetic release
Construction size NZM2
Description NZM…S1 terminal type: NZM…XKSA cover required
Number of poles 3 pole
Standard equipment Screw connection
Rated current = rated uninterrupted current In = Iu A 20
Switching capacity
1000 V 50/60 Hz Icu kA 10
Setting range
Overload trip
Ir A 15 – 20
Short-circuit releases
Non-delayed Ii = In x … 350 A fixed

Technical data:-

Circuit-breakers

Rated surge voltage invariability Uimp
Main contacts V 8000
Auxiliary contacts V 6000
Rated operational voltage Ue V AC 1000
Rated current = rated uninterrupted current In = Iu A 20
Overvoltage category/pollution degree III/3
Rated insulation voltage Ui V 1000
Utilization category A
Ambient temperature
Ambient temperature, storage °C – 40 – + 70
Operation °C -25 – +70

Rated short-circuit making capacity

240 V 50/60 Hz Icm kA 330
400/415 V 50/60 Hz Icm kA 330
440 V 50/60 Hz Icm kA 286
525 V 50/60 Hz Icm kA 105
690 V 50/60 H Ic kA 40
1000 V 50/60 Hz Icm kA 17

Rated short-time withstand current

 

t = 0.3 s Icw kA 1.9 
t = 1 s Icw kA 1.9 
Lifespan, mechanical Operations 20000 
Max. operating frequency Ops/h 120 
Lifespan, mechanical: of which max 

Lifespan, electrical

1000 V 50/60 Hz Operations 3000 

Terminal capacity

Standard equipment Screw connection 
Round copper conductor 
Box terminal 
Solid  mm2 1 x (10 – 16) 

2 x (6-16) 
Stranded  mm2 1 x (25 – 185) 

2 x (25-70) 
Tunnel terminal 
Solid  mm2 1 x 16 
Stranded 
Stranded  mm2 1 x (25 – 185) 
Bolt terminal and rear-side connection 
Direct on the switch 
Solid  mm2 1 x (10 – 16) 

2 x (10 – 16) 
Stranded  mm2 1 x (25 – 50) 

2 x (25 – 50) 
Al conductors, Cu cable 
Tunnel terminal 
Solid  mm2 1 x 16 
Stranded 
Stranded  mm2 1 x (25 – 185) 2) 
2) Up to 240 mm² can be connected 
Cu strip (number of segments x width x segment thickness) 
Box terminal 
min. mm 2 x 9 x 0.8 
max. mm 10 x 16 x 0.8 

(2x) 8 x 15.5 x 0,8 
Bolt terminal and rear-side connection 
Flat copper strip, with holes min. mm 2 x 16 x 0.8 
Flat copper strip, with holes max. mm 10 x 16 x 0.8 
Copper busbar (width x thickness) mm
Bolt terminal and rear-side connection 
Screw connection M8 
Direct on the switch 
min. mm 16 x 5 
max. mm 24 x 8 
Control cables 
mm2 1 x (0.75 – 2.5) 

2 x (0.75 – 1.5)

MORE INFORMATION-PDF