3GR20 Altech, 3GR20 Datasheet
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3GR20
Manufacturer Part Number
3GR20
Description
Circuit Breakers 20A MCB GCHAR 277VAC UL508
Manufacturer
Altech
Series
3Gr
Datasheet
1.1GU08.pdf
(2 pages)
Specifications of 3GR20
Product Type
Circuit Breakers
Current Rating
20 Amps
Voltage Rating
277 VoltsAC
Trip Time
0.1 s
Mounting Style
DIN Rail
Termination Style
Screw
Circuit Function
ON/OFF
Features
Meets the US trip norms with relatively short thermal trip delay and high magnetic trip point
Height
91.5 mm
Illuminated
No
Product
Thermal Magnetic Circuit Breakers
Width
52.5 mm
Number Of Poles
3 Poles
Actuator Type
Handle
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
16
Application Examples:
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)
(a) = Number of Poles
(b) = Trip Characteristic
(c) = Blank: without neutral pole
(d) = U:
(e) = Rated Current
*
G-TRIP
CHARACTERISTICS
—
Voltage Rating
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)
2
Not European standard rating.
Please refer to page 21 for specific
applications.
DC rating (Manufacturer’s self certification):
One pole 48VDC, two pole series 125VDC
AC Motor Starting, Across-the-line approval
pending
Approvals:
= N:
= R:
= Blank: European version
(b)
—
G
UL508 Listed
Altech Corp.
with neutral pole
UL/CSA version
ring tongue terminals,
UL/CSA version
(c)
—
N
(d)
—
U
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
(e)
60
—
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
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.
Rated
Current
0.3A
0.5A
0.75A
0.8A
1.0A
1.6A
2.0A
2.5A
3.0A
3.5A
4.0A
5.0A
6.0A
8.0A
10A
12A
12.5A
13A
15A
16A
20A
25A
30A
32A
40A
50A
60A
63A
ONE POLE
1GU03
1GU05
NA
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
Cat. No.
Type/
91.5 mm
(3.60 in.)
17.5 mm (0.69 in.)
1G
Approvals
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
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
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.
ONE POLE PLUS NEUTRAL
2GNU03
2GNU05
NA
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
Type/
Cat. No.
2GN
Approvals
91.5 mm
(3.60 in.)
35 mm (1.38 in.)
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
U L
Related parts for 3GR20
3GR20 Summary of contents
Page 1
... DC rating (Manufacturer’s self certification): One pole 48VDC, two pole series 125VDC * AC Motor Starting, Across-the-line approval pending Altech Corp. ® • 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com 16 ONE POLE 1G Rated Type/ Current Cat. No. ...
Page 2
... ON/OFF operations 40°C (104°F) 5/1.4kg (3.1 lb.) Top: 18-3 AWG; Bottom: 18-2 AWG 20 lb.in. 91.5 mm (3.60 in (1.38 in.) Altech Corp. ® • 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com THREE POLE 3G Type/ Cat. No. Approvals 3GU03 U L 3GU05 U L ...