2BNU03 datasheet, PDF - EEWORLD Datasheet

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2BNU03: Descriptioncircuit breakers .3A mcb B char 1P+N 277vac ul508; CategoryCircuit protection; File Size108KB，2 Pages; ManufacturerAltech; Websitehttp://www.altechcorp.com/; Environmental Compliance

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2BNU03 Overview

circuit breakers .3A mcb B char 1P+N 277vac ul508

2BNU03 Parametric

Parameter Name	Attribute value
Manufacture	Altech
Product Category	Circuit Breakers
RoHS	Yes
Produc	Circuit Protection Devices
Current Rating	300 mA
Voltage Rating AC	277 V
Number of Poles	2 Poles
Actuator Type	Handle
Operating Temperature Range	0 C to + 40 C
Illuminated	Not Illuminated
Dielectric Strength	125 V
Length	91.5 mm
Mounting Style	DIN Rail
Factory Pack Quantity	5
Termination Style	Screw
Trip Time	0.1 s
Type	B - Tri
Voltage Rating	277 VAC
Width	35 mm

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B-TRIP

CHARACTERISTICS

Application Examples:

ONE POLE

ONE POLE PLUS NEUTRAL

Business

equipment,

wiring

protection, lighting, appliances, control

circuits, some motors and some

electronic applications. Relatively long

thermal trip delay but low magnetic trip

point.

Rated

Current

Type/

Cat. No.

1BU1

1BU1.6

1BU2

1BU2.5

1BU3

1BU3.5

1BU4

1BU5

1BU6

1BU10

1BU13

1BU15

1BU16

1BU20

1BU25

1BU30

1BU32

1BU40

1BU50

1BU60

1BU63

Approvals

Type/

Cat. No.

2BNU1

2BNU1.6

2BNU2

2BNU2.5

2BNU3

2BNU3.5

2BNU4

2BNU5

2BNU6

2BNU10

2BNU13

2BNU15

2BNU16

2BNU20

2BNU25

2BNU30

2BNU32

2BNU40

2BNU50

2BNU60

2BNU63

277VAC

2BN

Approvals

Type Designation

—

(a)

—

(b)

—

(c)

—

(d)

—

(e)

(a)

= Number of Poles

(b)

= Trip Characteristic

(c)

= Blank: without neutral pole

= N:

with neutral pole

(d)

= U:

= R:

UL/CSA version

ring tongue terminals,

UL/CSA version

= Blank: European version

(e)

= Rated Current

Approvals:

UL508 Listed

0.3A

0.5A

0.75A

0.8A

❶

1.0A

1.6A

2.0A

2.5A

3.0A

3.5A

4.0A

5.0A

6.0A

8.0A

10A

12A

❶

12.5A

13A

15A

❶

16A

20A

25A

30A

❶

32A

40A

50A

60A

❶

63A

277VAC

Voltage Rating

❸

Interrupting Capacity

(UL/CSA - Ratings)

Group Short Circuit

(UL/CSA - Ratings)

Interrupting Capacity (VDE - Ratings)

Mechanical Endurance

Calibration Temperature

Standard Pack and Weight

Terminal Size Acceptability

Terminal Torque

Basic Dimensions (Elevation View)

❶

Not European standard rating.

❷

Please refer to page 21 for specific

0.3-60A (RC): 10kA with UL-listed

RK5 back-up fuse or MCCB

0.3-10A (RC): 10kA; 13-60A (RC): 5kA

no branch circuit protection required

0.3-63A (RC): 10kA

10000 ON/OFF operations

❷

40°C (104°F)

10/0.3A - 32A = 1.4kg (3.1 lb.)

40A - 63A = 1.6kg (3.5 lb.)

Top: 18-3 AWG; Bottom: 18-2 AWG

20 lb.in.

0.3-60A (RC): 10kA with UL-listed

RK5 back-up fuse or MCCB

0.3-10A (RC): 10kA; 13-60A (RC): 5kA

no branch circuit protection required

0.3-63A (RC): 10kA

10000 ON/OFF operations

❷

40°C (104°F)

5/0.3A - 32A = 1.3kg (2.9 lb.)

40A - 63A = 1.45kg (3.2 lb.)

Top: 18-3 AWG; Bottom: 18-2 AWG

20 lb.in.

applications.

❸

DC rating (Manufacturer’s self certification):

One pole 48VDC, two pole series 125VDC

* VDE pending

91.5 mm

(3.60 in.)

91.5 mm

(3.60 in.)

17.5 mm (0.69 in.)

35 mm (1.38 in.)

Altech Corp.

• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com

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