3DR20 Altech, 3DR20 Datasheet - Page 2
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3DR20
Manufacturer Part Number
3DR20
Description
Circuit Breakers 20A MCB RITON DCHAR 277VAC UL508
Manufacturer
Altech
Series
3Dr
Datasheet
1.2DU8.pdf
(2 pages)
Specifications of 3DR20
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
Relatively long thermal trip delay and very 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
480Y/277VAC
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
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.
2DU03
2DU05
2DU075
NA
2DU1
2DU1.6
2DU2
2DU2.5
2DU3
2DU3.5
2DU4
2DU5
2DU6
2DU8
2DU10
NA
NA
2DU13
2DU15
2DU16
2DU20
2DU25
2DU30
2DU32
2DU40
2DU50
2DU60
2DU63
Type/
Cat. No.
TWO POLE
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
91.5 mm
(3.60 in.)
2D
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
*
*
*
*
480Y/277VAC
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
40°C (104°F)
4/1.68kg (3.7 lb.)
Top: 18-3 AWG; Bottom: 18-2 AWG
20 lb.in.
3DU03
3DU05
3DU075
NA
3DU1
3DU1.6
3DU2
3DU2.5
3DU3
3DU3.5
3DU4
3DU5
3DU6
3DU8
3DU10
NA
NA
3DU13
3DU15
3DU16
3DU20
3DU25
3DU30
3DU32
3DU40
3DU50
3DU60
3DU63
Cat. No.
Type/
THREE POLE
3D
Approvals
91.5 mm
(3.60 in.)
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
*
*
*
*
V-EA-D Trip
0.3A Through 10A Rated Current
V-EA-D Trip
13A Through 63A Rated Current
“D” Magnetic Trip Parameters
Rated current 0.3A to 63A.
1. Hold for a minimum of 100ms at
2. Trip in under 100ms at 16 times
NB: Trip curves shown comply with North
American standards. For trip curves
according to European standards please
consult Altech.
Basic Dimensions (side view)
surge of 10 times rated current.
rated current.
4x10
4x10
4x10
4x10
10
10
10
10
10
10
0.4
0.4
1.13-1.45xI
1.13-1.45xI
60
40
10
10
60
40
10
10
-1
-2
-2
-3
-3
-1
-2
-2
-3
-3
4
1
4
1
4
1
4
1
1
1
Multiple of Rated Current
Multiple of Rated Current
2
2
N
N
70mm (2.76 in.)
3 4 5 6 8
3 4 5
Thermal Overload
“Must Trip” < 1 hr = 145% RC
“Must Not Trip” > 1 hr = 113% RC
Thermal Overload
“Must Trip” < 1 hr = 145% RC
“Must Not Trip” > 1 hr = 113% RC
6 8
10
10
16
16
20
20
(1.38 in.)
40
40
35 mm
100
100
13