4420.0235 Schurter Inc, 4420.0235 Datasheet - Page 2

• Manufacturer Part Number: 4420.0235
• Description: CIRCUIT BRKR THERMAL 20.0A 2POLE
• Manufacturer: Schurter Inc
• Series: AS168r
• Type: Thermal/Magneticr

Specifications of 4420.0235

• Breaker Type: Thermal-Magnetic
• Voltage: 65VDC, 277/480VAC
• Current - Trip (it): 20A
• Number Of Poles: 2
• Actuator Type: Lever
• Mounting Type: DIN Rail
• Alt Mfr.s Type: AS168X-CB2G020
• Brand/series: AS168 Series
• Current, Rating: 2 A
• Frequency: 50 Hz
• Standards: UL Listed, CSA Certified
• Termination: Screw
• Voltage, Rating: 480 VAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: CBE AS168X-CB2G020

MANUAL MOTOR CONTROLLER AND SUPPLEMENTARY PROTECTOR
Effect of ambient
temperature
AC-breakers are calibrated for an ambient
temperature of +40°C, DC-breakers for
+23°C. To determine the rated current for
a lower or higher ambient temperature, use
a correction factor from the table below:
Ambient
temperature [°C]
+10
+23
+30
+40
+50
+60
Example DC version:
Rated current at +23°C
Ambient temperature
Correction factor
Chosen rated current at
+50°C ambient temperature
10 A x 1,2 = 12 A
Tripping characteristic F
124
–20
–5
0,1ms
0
1000s
10ms
100s
0,1s
1ms
10s
1hr
1s
1
Multiple of rated current (x I n )
www.schurterinc.com
Correction factor
AC version
1,28
1,22
1,20
1,15
1,10
1,05
1,00
0,95
0,90
10
100
DC version
0,80
0,87
0,90
0,95
1,00
1,05
1,10
1,20
1,30
10 A
+50°C
1,2
1000 x I n
Tripping characteristic G
0,1ms
1000s
10ms
100s
0,1s
1ms
10s
1hr
1s
1
Multiple of rated current (x I n )
10
100
1000 x I n
Tripping characteristic H
1000s
0,1ms
10ms
100s
1ms
0,1s
10s
1hr
1s
1
Multiple of rated current (x I n )
10
100
AS168X
1000 x I n