1GR4 Altech, 1GR4 Datasheet - Page 2
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1GR4
Manufacturer Part Number
1GR4
Description
Circuit Breakers 4A MCB GCHAR 1pl 277VAC UL508
Manufacturer
Altech
Series
1Gr
Datasheet
1.1GU08.pdf
(2 pages)
Specifications of 1GR4
Product Type
Circuit Breakers
Current Rating
4 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
17.5 mm
Number Of Poles
1 Pole
Actuator Type
Handle
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
480Y/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)
5/1.4kg (3.1 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
Altech Corp.
TWO POLE
Type/
Cat. No.
2GU03
2GU05
NA
2GU08
2GU1
2GU1.6
2GU2
2GU2.5
2GU3
2GU3.5
2GU4
2GU5
2GU6
2GU8
2GU10
2GU12
2GU125
2GU13
2GU15
2GU16
2GU20
2GU25
2GU30
2GU32
2GU40
2GU50
2GU60
2GU63
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
91.5 mm
(3.60 in.)
2G
35 mm (1.38 in.)
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
*
*
*
*
*
*
*
*
*
*
*
*
480Y/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)
4/1.68kg (3.7 lb.)
Top: 18-3 AWG; Bottom: 18-2 AWG
20 lb.in.
Cat. No.
3GU03
3GU05
NA
3GU08
3GU1
3GU1.6
3GU2
3GU2.5
3GU3
3GU3.5
3GU4
3GU5
3GU6
3GU8
3GU10
3GU12
3GU125
3GU13
3GU15
3GU16
3GU20
3GU25
3GU30
3GU32
3GU40
3GU50
3GU60
3GU63
Type/
THREE POLE
3G
91.5 mm
(3.60 in.)
Approvals
52.5 mm (2.07 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
*
*
*
*
*
*
*
*
*
*
*
*
“G” Magnetic Trip Parameters
Rated Current, 0.3A to 63A.
Magnetic Trip:
1. Hold for a minimum of 100ms at
2. Trip in under 100ms at 10 times
NB: Trip curves shown comply with North
American standards. For trip curves
according to European standards please
consult Altech.
V-EA-G Trip
0.3A Through 10A Rated Current
V-EA-G Trip
12A Through 63A Rated Current
Basic Dimensions (side view)
surge of 8 times rated current.
rated current.
4x10
4x10
4x10
4x10
10
10
10
10
10
10
0.4
1.05-1.35xI
1.05-1.35xI
0.4
60
40
10
10
60
40
10
10
4
1
4
1
-1
-2
-2
-3
-3
-1
-2
-2
-3
-3
4
1
4
1
1
1
Multiple of Rated Current
Multiple of Rated Current
N
2
N
2
70mm (2.76 in.)
3 4 5 6
3 4 5 6
Thermal Overload
“Must Trip” = 125% Rated Current
“Must Not Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
“Must Not Trip” = Rated Current
Thermal Overload
“Must Trip” = 125% Rated Current
“Must Not Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
“Must Not Trip” = Rated Current
8 10
8 10
20
20
40
40
(1.38 in.)
35 mm
100
100
17