20A 3 pole 5kA Miniature Circuit Breaker

$38.00

Three pole UL 1077 DIN rail mountable miniature circuit breaker is rated at 277/480V AC supply with 5kA short circuit breaking capacity. Three levels of short-circuit protection, available with B curve, C curve or D curve trip characteristics.

SKU: ATOCLXB1-20

Rated Voltage (Ue) *

Trip Curve *

B Curve
C Curve
D Curve

Qty:

Delivery date: 6-12 days

Overview

Circuit Breaker Information

Model: ATOCLXB3-20
Rated Current: 20 amp
Rated Voltage: 277/480V AC, 50Hz/ 60Hz
Number of poles: 3 pole
5 kA short circuit interrupting capacity
Complete range of UL 1077 listed and 35mm DIN rail mounted
It can be manually switched ON and OFF as similar to normal switch if necessary
Thermal-magnetic overcurrent protection, three levels of short circuit protection, categorized by B, C and D curves

Technical Data

Standard Certifications		IEC	UL1077
Electrical Parameters	Height	86 mm
	Width	18 mm per pole
	Mounting	DIN Rail
	Rated Current (In)	1A, 2A, 3A, 4A, 6A, 10A, 13A, 16A, 20A, 25A, 32A, 40A, 50A, 63A (Available)
	Number of poles	1P, 2P, 3P, 4P (Available)
	Rated Voltage (Ue) (Optional)	240/415V or 230/400V	277/480V
	Rated Insulation Voltage (Ui)	500V
	Reted Frequency	50Hz/60Hz
	Short Circuit Interrupting Capacity (Optional)	6/10KA	5KA
	Trip Characteristic (Optional)	B Curve (3-5In)	B Curve (4In)
		C Curve (5-10In)	C Curve (7In)
		D Curve (10-20In)	D Curve (14In)
Mechanical Parameters	Electrical Life	8000 times
	Mechnical Life	10000 times
	Protection Degree	IP20
	Calibration Temperature	30℃
	Operating Temperature	-5℃~+40℃
	Storage Temperature	-25℃~+70℃
	Tightening Torque	22 Ib-in (2 Nm)
	Terminal Size Acceptability–Min/Max	2.5 mm²(12 AWG) / 25mm²(3 AWG)

Circuit Breaker Dimension

Tips: Motor protection circuit breaker selection
There are two features for motor as follows: Firstly, starting current is several times of rated current. Secondly, it has certain overload capacity. In order to ensure motor operation is reliable, circuit breaker should be chosen in accordance with these two features of motor.
How to choose a motor protective circuit breaker?

The long time delay action current setting value is determined by the rated current of motor.
The returnable time of 6 times of long time delay action current setting value of circuit breaker is larger than the actual starting time of motor.
Instantaneous action current setting value of circuit breaker: Cage motor should be 8 to 15 times as large as the rated current of releaser; winding motor should be 3 to 6 times as large as the rated current of releaser.

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