1BU6 Altech, 1BU6 Datasheet - Page 2

• Manufacturer Part Number: 1BU6
• Description: Circuit Breakers 6A MCB B Char 1 pl 277VAC UL508
• Manufacturer: Altech
• Series: 1Br

Specifications of 1BU6

• Product Type: Circuit Breakers
• Current Rating: 6 Amps
• Voltage Rating: 277 VoltsAC
• Trip Time: 0.1 s
• Mounting Style: DIN Rail
• Termination Style: Screw
• Dielectric Strength: 48 V
• Features: Relatively long thermal trip delay but low magnetic trip point
• Length: 91.5 mm
• 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; 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.
TWO POLE
Cat. No.
NA
NA
NA
NA
2BU1
2BU1.6
2BU2
2BU2.5
2BU3
2BU3.5
2BU4
2BU5
2BU6
NA
2BU10
NA
NA
2BU13
2BU15
2BU16
2BU20
2BU25
2BU30
2BU32
2BU40
2BU50
2BU60
2BU63
Type/
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone [phone] • FAX [phone] • www.altechcorp.com
2B
91.5 mm
(3.60 in.)
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
*
*
*
*
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.
Cat. No.
NA
NA
NA
NA
3BU1
3BU1.6
3BU2
3BU2.5
3BU3
3BU3.5
3BU4
3BU5
3BU6
NA
3BU10
NA
NA
3BU13
3BU15
3BU16
3BU20
3BU25
3BU30
3BU32
3BU40
3BU50
3BU60
3BU63
Type/
THREE POLE
3B
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
*
*
*
*
“B” Magnetic Trip Parameters
Rated current 0.3A to 63A.
1. Hold for a minimum of 100ms at surge
2. Trip in under 100ms at 5 times rated
NB: Trip curves shown comply with North
American standards. For trip curves
according to European standards please
consult Altech.
Basic Dimensions (side view)
V-EA-B Trip
6.0A Through 10A Rated Current
V-EA-B Trip
13A Through 63A Rated Current
of 3 times rated current.
current.
4x10
4x10
4x10
4x10
10
10
10
10
10
10
0.4
0.4
60
40
10
10
60
40
10
10
1.13-1.45xI
1.13-1.45xI
-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
70 mm (2.76 in.)
3
3
4
4
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
5
5
6 8 10
6 8 10
20
20
40
40
(1.38 in.)
35 mm
100
100
9