ASI
Automation Systems Interconnect, Inc
Innovative Interconnect and Interface Solutions
NDT2230039
Version
1
Implementati
on Date
2016-5-5
position
● Mechanical and electrical life: 10,000 times
● Wiring
○ Tunnel terminal blocks
○ Terminal connection area: Apply to the 10mm2~ 50 mm
2
○ Terminal screw: M7, torque: 3.5N.m
5. Normal Working Environment
● Ambient temperature: -35℃~+70℃
● Relative air humidity: ≤95%
● Altitude: ≤2000m
● Environment with the pollution level of 3
● Working site without obvious vibration and shock
6. Tripping Characteristics
● Type C curve
○ Protect the conventional load and distribution cable
○ Rated current: 50~125A
○ Tripping characteristics: Range of instantaneous tripping (5~10) In
● Type D curve
○ Protect the impact load with the large starting current (such as motor, transformer)
○ Rated current: 50~125A
○ Tripping characteristics: Range of instantaneous tripping (10~14) In
Type C
Type D
High Current UL1077
Circuit Breakers
NDB1-125
• 1, 2, 3 and 4 Poles
• 50, 63, 80, 100, and 125 Amps
• C and D Trip Curves
• UL1077
• Red visual trip indicator
• Easy to Wire, Screw-Clamp Connections
• Standard 35mm DIN Rail Mounted
The NDB1 series of circuit breakers provide the short
circuit and overload protection, control and isolation
functions. Applicable to the low-voltage terminal
distribution in the industry, civil buildings, energy,
communication, infrastructure and other elds.
Specications
Wire Size:
Terminal Screw:
Torque:
Interupt Capacity:
Mechanical Life:
Operating Temperature Range:
Max Voltage:
#8 - 1/0 AWG
M7
3.5N-m (31 lbin)
10kA
10,000 Operations
-35C to 70C
240/480 Vac
C - Trip Curve D - Trip Curve
ASI
Automation Systems Interconnect, Inc
Innovative Interconnect and Interface Solutions
NDT2230039
Version
1
Implementati
on Date
2016-5-5
7. Product Outline and Installation Dimensions
1P 2P
NDB1 Series MCB
7. Wiring Diagram
● NDB1-32 Connecting
● NDB1-125 Connecting
LoadLoadLoad
Wiring Diagrams
High Current UL1077
Circuit Breakers
NDB1-125
Dimensions
ASI
Automation Systems Interconnect, Inc
Innovative Interconnect and Interface Solutions
High Current UL1077
Circuit Breakers
NDB1-125
1 Pole - C Trip Curve
Rated Current Item Number
50 Amp NDB1-125C50-1
63 Amp NDB1-125C63-1
80 Amp NDB1-125C80-1
100 Amp NDB1-125C100-1
125 Amp NDB1-125C125-1
1 Pole - D Trip Curve
Rated Current Item Number
50 Amp NDB1-125D50-1
63 Amp NDB1-125D63-1
80 Amp NDB1-125D80-1
100 Amp NDB1-125D100-1
125 Amp NDB1-125D125-1
2 Pole - C Trip Curve
Rated Current Item Number
50 Amp NDB1-125C50-2
63 Amp NDB1-125C63-2
80 Amp NDB1-125C80-2
100 Amp NDB1-125C100-2
125 Amp NDB1-125C125-2
2 Pole - D Trip Curve
Rated Current Item Number
50 Amp NDB1-125D50-2
63 Amp NDB1-125D63-2
80 Amp NDB1-125D80-2
100 Amp NDB1-125D100-2
125 Amp NDB1-125D125-2
3 Pole - C Trip Curve
Rated Current Item Number
50 Amp NDB1-125C50-3
63 Amp NDB1-125C63-3
80 Amp NDB1-125C80-3
100 Amp NDB1-125C100-3
125 Amp NDB1-125C125-3
3 Pole - D Trip Curve
Rated Current Item Number
- -
- -
- -
100 Amp NDB1-125D100-3
- -
4 Pole - C Trip Curve
Rated Current Item Number
100 Amp NDB1-125C100-4
125 Amp NDB1-125C125-4
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