Sontune Stmb1-100 Series Manual Type Moulded Case Circuit Breaker

Relative humidity of the atmosphere in the surrounding air temperature of +40oC is less than 50%; the relative humidity at the lower temperature can be high; Model NO.: STMB1-100; Operation: Manual Type; Type: Circuit Breaker.

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Description

Model NO.: STMB1-100
Operation: Manual Type
Type: Circuit Breaker
Standard: IEC 60947-2 GB14048.2
in: 32,40,50,63,80,100A
Trademark: sontune
Origin: Wenzhou Zhejiang

Breaking Capacity: Low Voltage Circuit Breakers
Installation: Fixed
Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
Coil Voltage: 230/400V
Pole: 3p
Transport Package: Inner Box/Carton
HS Code: 8536200000

Specifications
Ambient air temperature
The ambient air temperature is about +40 ºC; the ambient air temperature is below -5ºC; the average value of ambient air temperature 24h is not more than +35ºC.
Elevation: installation elevation of not more than 2000m.
Atmospheric condition:
Relative humidity of the atmosphere in the surrounding air temperature of +40ºC is less than 50%; the relative humidity at the lower temperature can be high; most of the wet month average maximum relative humidity of 90%, the monthly average minimum temperature of +25ºC and considering the temperature due to changes in product surface.
Pollution grade: grade 3.

ed of current of release(A)	Thermodynamic release (ambient temp+40ºC		Operational current of magnetic release(A)
ed of current of release(A)	1.05In(cold state) inoperative time(h)	1.30In(heat state) inoperative time(h)	Operational current of magnetic release(A)
In≤63	≥1	<1	10-50In ±20%
63<In≤250	≥2	<2	10In ±20%
25<In≤800	≥2	<2	5-10In ±20%