ATR20-A-63S-WB2-B-20.0A-2 Sensata Technologies/Airpax, ATR20-A-63S-WB2-B-20.0A-2 Datasheet - Page 2

• Manufacturer Part Number: ATR20-A-63S-WB2-B-20.0A-2
• Description: CIRCUIT BREAKER THERM 20A
• Manufacturer: Sensata Technologies/Airpax
• Series: ATR20r

Specifications of ATR20-A-63S-WB2-B-20.0A-2

• Breaker Type: Thermal
• Voltage: 50VDC, 125/250VAC
• Current - Trip (it): 20A
• Number Of Poles: 1
• Actuator Type: Push to Reset
• Mounting Type: Panel Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 723-1148

http://airpax.sensata.com/
tiMe / cURRent cHaRacteRiSticS
The standard characteristic is valid for an ambient temperature of 25°C. However, if the device is to be used in an ambient temperature
other than 25°C, an allowance must be made when selecting the current rating.
See the charts, graph and example below to help determine the right circuit protector rating for your application.
aMbient teMpeRatURe coRRection factoR - 2.5 aMp ciRcUit pRotectoR
Ambient Temperature (°C)
aMbient teMpeRatURe coRRection factoR - 3 aMp to 4 aMp ciRcUit pRotectoR
Ambient Temperature (°C)
aMbient teMpeRatURe coRRection factoR - 5 aMp to 20 aMp ciRcUit pRotectoR
Ambient Temperature (°C)
Multiplication Factor
Multiplication Factor
Multiplication Factor
Example :
Normal Continuous Current = 5.0 A
Ambient Temperature = 40°C
Multiplication Factor = 1.1 (from 3rd chart)
Recommended Rating: 5.0 x 1.1 = 5.5
Select the Nearest Rating = 6.0 amps (nearest)
- 20
0.8
- 20
0.8
0.58
- 20
- 10
0.85
0.85
- 10
- 10
0.6
0.88
0
0.9
0
0.7
0
+ 10
0.9
+ 10
0.9
Operating Characteristics :
1000
100
10
1
0.1
+ 25
0 100
1
+ 10
0.8
135
200 300 400 500 600 700 800 900 1000
+ 25
1
+ 40
1.1
CURRENT (%)
+ 25
1
ATR20 Series
+ 30
1
+ 50
1.3
+ 30
+ 35
1
1.1
+ 60
1.4
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