2BNU25 Altech, 2BNU25 Datasheet
2BNU25
Manufacturer Part Number
2BNU25
Description
Circuit Breakers 25A MCB B CHAR 1P+N 277VAC UL508
Manufacturer
Altech
Series
2BNr
Datasheet
1.1BU05.pdf
(2 pages)
Specifications of 2BNU25
Product Type
Circuit Breakers
Current Rating
25 Amps
Voltage Rating
277 VoltsAC
Trip Time
0.1 s
Mounting Style
DIN Rail
Termination Style
Screw
Dielectric Strength
125 V
Features
Relatively long thermal trip delay but low magnetic trip point
Length
91.5 mm
Product
Thermal Magnetic Circuit Breakers
Width
35 mm
Number Of Poles
2 Poles
Actuator Type
Handle
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
8
Application Examples:
Business
protection, lighting, appliances, control
circuits, some motors and some
electronic applications. Relatively long
thermal trip delay but low magnetic trip
point.
Type Designation
(a)
(a) = Number of Poles
(b) = Trip Characteristic
(c) = Blank: without neutral pole
(d) = U:
(e) = Rated Current
* VDE pending
B-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
Approvals:
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
= N:
= R:
= Blank: European version
(b)
UL508 Listed
—
B
Altech Corp.
with neutral pole
UL/CSA version
ring tongue terminals,
UL/CSA version
(c)
—
N
equipment,
(d)
—
U
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
(e)
60
—
wiring
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
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)
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.
ONE POLE
Cat. No.
NA
NA
NA
NA
1BU1
1BU1.6
1BU2
1BU2.5
1BU3
1BU3.5
1BU4
1BU5
1BU6
NA
1BU10
NA
NA
1BU13
1BU15
1BU16
1BU20
1BU25
1BU30
1BU32
1BU40
1BU50
1BU60
1BU63
Type/
1B
91.5 mm
(3.60 in.)
17.5 mm (0.69 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
*
*
*
*
ONE POLE PLUS NEUTRAL
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)
5/0.3A - 32A = 1.3kg (2.9 lb.)
40A - 63A = 1.45kg (3.2 lb.)
Top: 18-3 AWG; Bottom: 18-2 AWG
20 lb.in.
Cat. No.
NA
NA
NA
NA
2BNU1
2BNU1.6
2BNU2
2BNU2.5
2BNU3
2BNU3.5
2BNU4
2BNU5
2BNU6
NA
2BNU10
NA
NA
2BNU13
2BNU15
2BNU16
2BNU20
2BNU25
2BNU30
2BNU32
2BNU40
2BNU50
2BNU60
2BNU63
Type/
2BN
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
*
*
*
*
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2BNU25 Summary of contents
Page 1
... U L 2BNU4 U L 2BNU5 U L 2BNU6 2BNU10 2BNU13 2BNU15 U L 2BNU16 U L 2BNU20 2BNU25 U L 2BNU30 U L 2BNU32 2BNU40 * U L 2BNU50 * U L 2BNU60 U L 2BNU63 * 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 ...
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 3B Type/ Cat. No. Approvals 3BU1 U L 3BU1 ...