Altech UL489 Catalog Page

Altech UL489

Typical UL489 Application

Power Circuit of a UL508A Panel

38

Disclaimer: This is an application example.Installation should be done by a qualified

electrician under the guidance of UL specifications..

L-Series

AC or DC

Miniature Molded Case
Circuit Breakers

LISTED

E305318

UL489 Listed
Circuit Breakers

• Available in AC and DC models

• DIN Rail Mounted

• 17.5mm width

• Thermal Magnetic

• 240V, 480Y/277V AC, 50/60Hz

• 125VDC (1 pole); 250VDC (2pole)

• 10kA Short Circuit

Interrupting Capacity

• Positive Trip indicator

(Green - off/tripped, Red - on)

• HACR Type 40°C

• Line/Load reversible

AC Current/ Voltage Rating

DC Current/ Voltage Rating

Calibration Temperature
Terminal Size Acceptability - min/max
Terminal Torque - min/max

Terminal Protection Degree

Electrical Life

Mechanical Life

Wire Connection

AC - SHORT CIRCUIT INTERRUPTING RATING

No.

Poles Type 0.2-32A 33-63A

1 AC 10kA@120, 240, 277V 10kA@120, 240V

2-4 AC 10kA@120, 240V, 480Y/277V 10kA@120, 240V

0.2-63A/240VAC, 0.2-32A/480Y/277VAC

0.2-63A/125/250VDC

40°C (104°F)

18~10 AWG Solid / 18~3 AWG Stranded

(13 lbs.-in.) / 2.8 Nm (25 lb.-in.)

1.5 Nm

IP20

6000 cycles on/off

100000 cycles on/off

copper wire only 60/75°C

DC - SHORT CIRCUIT INTERRUPTING RATING

No.

Poles Type 0.2-32A 33-63A

1 DC 10kA@125V 10kA@125V

2 DC 10kA@250V 10kA@250V

Altech UL489

39

Warning!

This information should only be used as a selection guide.The use of a Miniature Circuit
Breaker in an application with a certainTrip-Characteristic always requires prototype
testing! It is the responsibility of the circuit design engineer to select the appropriate
Miniature Circuit Breaker for his specific application.

*The value of each characteristic is shown vertically beneath its corresponding heading.

Characteristic Trip Boundaries

Trip-Characteristics* Type Applications

C-Characteristics

D-Characteristics

Thermal Trip

Lighting

Control

Circuits

Wiring

Protection

Business

Equipment

Appliances

Transformers

Power

Supplies

Heaters

Must not

Trip>100ms

Must Trip

<1hr

Must not

Trip>100ms

Must Trip

at 100ms

Magnetic Trip

Low

Inrush

High

Inrush

Motors

Reactive

Load

1.05xRC 1.3xRC 5xRC 10xRC

1.05xRC 1.3xRC 10xRC 16xRC

1.05xRC 1.3xRC 5xRC 10xRC

1.05xRC 1.3xRC 10xRC 16xRC

AC

AC

DC

DC

14.5mm (0.57 in.)

69mm (2.72 in.)

45mm (1.77 in.)

109mm (4.29 in.)

17.5mm (0.69 in.)

6.5mm

(0.26 in.)

44mm (1.73 in.)

60mm (2.36 in.)

35mm (1.38 in.)

52.5mm (2.07 in.)

14.5mm (0.57 in.)

69mm (2.72 in.)

109mm (4.29 in.)

17.5mm (0.69 in.)

35mm (1.38 in.)

14.5mm (0.57 in.)

69mm (2.72 in.)

109mm (4.29 in.)

17.5mm (0.69 in.)

2

10

-3

4x10

-3

4x10

-2

10

-1

0.4

1

4

10

1

4

10

40

60

10

-2

34 6810 16 20

Multiple of Rated Current

Seconds Time t Minutes

CC DDCD

Altech UL489

1 POLE 2 POLE 3 POLE

Time
versus
Current Trip Curve

For the exact trip curve,
please refer to page 48.

Dimensions in mm

side view

40