3GR20 datasheet, PDF - EEWORLD Datasheet

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3GR20: DescriptionCircuit Breakers 20A MCB GCHAR 277VAC UL508; CategoryCircuit protection Circuit protection; File Size90KB，2 Pages; ManufacturerAltech; Websitehttp://www.altechcorp.com/

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Circuit Breakers 20A MCB GCHAR 277VAC UL508

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G-TRIP

CHARACTERISTICS

Application Examples:

ONE POLE

ONE POLE PLUS NEUTRAL

General industrial, including motors,

some transformers, solenoids, control

circuits, lighting and wiring. Meets the

US trip norms with relatively short

thermal trip delay and high magnetic

trip point.

Type Designation

—

(a)

—

(b)

—

(c)

—

(d)

—

(e)

Rated

Current

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

Type/

Cat. No.

1GU03

1GU05

1GU08

1GU1

1GU1.6

1GU2

1GU2.5

1GU3

1GU3.5

1GU4

1GU5

1GU6

1GU8

1GU10

1GU12

1GU125

1GU13

1GU15

1GU16

1GU20

1GU25

1GU30

1GU32

1GU40

1GU50

1GU60

1GU63

Approvals

2GN

Type/

Cat. No.

2GNU03

2GNU05

2GNU08

2GNU1

2GNU1.6

2GNU2

2GNU2.5

2GNU3

2GNU3.5

2GNU4

2GNU5

2GNU6

2GNU8

2GNU10

2GNU12

2GNU125

2GNU13

2GNU15

2GNU16

2GNU20

2GNU25

2GNU30

2GNU32

2GNU40

2GNU50

2GNU60

2GNU63

277VAC

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

RK5 back-up fuse or MCCB

0.3-10A (RC): 10kA; 12-60A (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.

Approvals

(a)

= Number of Poles

(b)

= Trip Characteristic

(c)

= Blank: without neutral pole

= N:

with neutral pole

(d)

= U:

UL/CSA version

= R:

ring tongue terminals,

UL/CSA version

= Blank: European version

(e)

= Rated Current

Approvals:

UL508 Listed

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; 12-60A (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.

applications.

❸

DC rating (Manufacturer’s self certification):

91.5 mm

(3.60 in.)

91.5 mm

(3.60 in.)

One pole 48VDC, two pole series 125VDC

AC Motor Starting, Across-the-line approval

pending

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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