1ZU2.5 Altech, 1ZU2.5 Datasheet - Page 2

• Manufacturer Part Number: 1ZU2.5
• Description: Circuit Breakers 2.5A MCB ZCHAR 1pl 277VAC UL508
• Manufacturer: Altech
• Series: 1Zr

Specifications of 1ZU2.5

• Product Type: Circuit Breakers
• Current Rating: 2.5 Amps
• Voltage Rating: 277 VoltsAC
• Trip Time: 0.1 s
• Mounting Style: DIN Rail
• Termination Style: Screw
• Dielectric Strength: 48 V
• Features: Relatively short thermal trip delays and very high magnetic trip points
• 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
0.3-32A (RC): 10kA with UL-listed
RK5 back-up fuse or MCCB
0.3-10A (RC): 10kA; 12-32A (RC): 5kA
no branch circuit protection required
0.3-32A (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 Cat. No.
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.
2ZU03
2ZU05
2ZU075
NA
2ZU1
2ZU1.6
2ZU2
2ZU2.5
2ZU3
2ZU3.5
2ZU4
2ZU5
2ZU6
2ZU8
2ZU10
2ZU12
2ZU125
2ZU13
2ZU15
2ZU16
2ZU20
2ZU25
2ZU30
2ZU32
2ZU40
2ZU50
NA
NA
Type/
TWO POLE
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone [phone] • FAX [phone] • www.altechcorp.com
2Z
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
U L
U L
U L
U L
U L
*
*
480Y/277VAC
0.3-32A (RC): 10kA with UL-listed
RK5 back-up fuse or MCCB
0.3-10A (RC): 10kA; 12-32A (RC): 5kA
no branch circuit protection required
0.3-32A (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.
Type/
Cat. No.
3ZU03
3ZU05
3ZU075
NA
3ZU1
3ZU1.6
3ZU2
3ZU2.5
3ZU3
3ZU3.5
3ZU4
3ZU5
3ZU6
3ZU8
3ZU10
3ZU12
3ZU125
3ZU13
3ZU15
3ZU16
3ZU20
3ZU25
3ZU30
3ZU32
3ZU40
3ZU50
NA
NA
THREE POLE
3Z
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
*
*
“Z” Trip Parameters
Rated Current, 0.3A to 32A.
Magnetic Trip:
1. Hold for a minimum of 100ms at
2. Trip in under 100ms at 3 times
NB: Trip curves shown comply with North
American standards. For trip curves
according to European standards please
consult Altech.
V-EA-Z Trip
0.3A Through 10A Rated Current
V-EA-Z Trip
12.5A Through 32A Rated Current
Basic Dimensions (side view)
2 times rated current.
rated current.
4x10
4x10
4x10
4x10
10
10
10
10
10
10
1.05-1.35xI
0.4
1.05-1.35xI
0.4
60
40
10
40
20
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
N
2
2
N
3
3
70mm (2.76 in.)
4 5 6 8 10
4 5 6 8 10
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
20
20
40
40
(1.38 in.)
35 mm
100
100
19