• Sna1 Series Air Circuit Breaker Acb
  • Sna1 Series Air Circuit Breaker Acb
  • Sna1 Series Air Circuit Breaker Acb
  • Sna1 Series Air Circuit Breaker Acb
  • Sna1 Series Air Circuit Breaker Acb
  • Sna1 Series Air Circuit Breaker Acb

Sna1 Series Air Circuit Breaker Acb

Breaking Capacity: Low Voltage Circuit Breakers
Operation: Electric Type
Speed: High-Speed Circuit Breaker
Arc-extinguishing Medium: Air
Installation: Fixed
Structure: ACB
Samples:
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Manufacturer/Factory, Trading Company

Basic Info.

Model NO.
SNA1
Poles Number
3
Type
Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
Certification
CE, CCC
Frame Size Rated Current
1000, 2000, 3200, 4000, 6300
Breaking-Capacity
X, Xn, Xh
Mode of Operation
Manual, Power-Driven
Mode of Installation
Fixed Type, Drawout Type
Transport Package
Plywood Box
Specification
2000A, 3200A
Trademark
TRIHERO/OEM
Origin
Zhejiang
HS Code
8536200000
Production Capacity
10000PCS/Month

Product Description

Sna1 Series Air Circuit Breaker Acb
1. General

 

1.1 Application scope

 

SNA1 series air circuit breaker is suitable for the circuit of AC 50Hz/60Hz with rated service voltage 400V, 690V and rated service current up to 6300A. It is mainly used to distribute electric energy and protect circuits and electric equipment against over-load, under-voltage, short-circuit and single-phase earthing fault.

 

With intelligentized and selective protection functions, the breaker can improve the reliability of power supply, and avoid unnecessary power failure. The breaker is applicable for power stations, factories, mines (for 690V) and modern high-buildings, especially for the distribution system of intelligentized building.

 

1.2 Standard: IEC/EN 60947-2.

 

 

2. Operating conditions

 

2.1 Temperature condition:

 

-5 ~40 ; the average value within 24h

 

shall not exceed +35 (special situation excluded);

 

2.2 Altitude:  2000m;

 

2.3 Pollution grade: Grade 3;

 

2.4 Air conditions:

 

At mounting site, relative humidity not exceed 50%

 

at the max temperature of +40 , higher relative humidity is allowable under lower temperature, RH could be 90% at +20 , special measures should be taken to occurrence of dews;

 

2.5 Note: Without the intelligent controller,

 

the breaker functions as a switch-disconnector.

3. Technical specifications

Breaker frame size rated current: 1000,2000,3200,4000,6300A
Rated voltage Ue:AC400V,AC690V
Rated current In:200A-6300(3P)A
Rated insulation voltage Ui:800V,1000V
Rated impact withstand voltage Uimp:8kV,12kV
Overcurrent trip type: electronic
Breaking capacity Ics:35kA-80kA,Icu:50kA-120kA(AC400V) ; Ics:25kA-70kA,Icu:30kA-80kA(AC690V) 
Rated short-time withstand current: Icw=Ics/1s
Use category: B Type
Poles number: 3P, 4P
Installation method: Drawout type, Fixed type
Certification: CCC,CE

4. Type designation

Sna1 Series Air Circuit Breaker AcbSna1 Series Air Circuit Breaker Acb
 

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