Z-TRIP
CHARACTERISTICS
Application Examples:
ONE POLE
ONE POLE PLUS NEUTRAL
Semiconductors, components which
fail-short
(vs. fail-open),
and
components/devices with low surge-
current and short circuit withstand
capabilities. Relatively short thermal
delay and very low magnetic trip point.
Type Designation
2
—
(a)
Z
—
(b)
N
—
(c)
U
—
(d)
30
—
(e)
1Z
Rated
Current
0.3A
0.5A
0.75A
0.8A
❶
1.0A
1.6A
2.0A
2.5A
3.0A
3.5A
4.0A
5.0A
6.0A
8.0A
10A
12A
❶
12.5A
13A
15A
❶
16A
20A
25A
30A
❶
32A
40A
50A
60A
❶
63A
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
❷
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.
Type/
Cat. No.
1ZU03
1ZU05
1ZU075
NA
1ZU1
1ZU1.6
1ZU2
1ZU2.5
1ZU3
1ZU3.5
1ZU4
1ZU5
1ZU6
1ZU8
1ZU10
1ZU12
1ZU125
1ZU13
1ZU15
1ZU16
1ZU20
1ZU25
1ZU30
1ZU32
1ZU40
1ZU50
NA
NA
Approvals
UL
UL
UL
2ZN
Type/
Cat. No.
2ZNU03
2ZNU05
2ZNU075
NA
2ZNU1
2ZNU1.6
2ZNU2
2ZNU2.5
2ZNU3
2ZNU3.5
2ZNU4
2ZNU5
2ZNU6
2ZNU8
2ZNU10
2ZNU12
2ZNU125
2ZNU13
2ZNU15
2ZNU16
2ZNU20
2ZNU25
2ZNU30
2ZNU32
2ZNU40
2ZNU50
NA
NA
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
❷
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.
Approvals
UL
UL
UL
(a)
= Number of Poles
(b)
= Trip Characteristic
(c)
= Blank: without neutral pole
= N:
(d)
= U:
= R:
with neutral pole
UL/CSA version
ring tongue terminals,
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL/CSA version
= Blank: European version
(e)
= Rated Current
Approvals:
UL508 Listed
*
*
*
*
Voltage Rating
❸
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)
❶
Not European standard rating.
❷
Please refer to page 21 for specific
applications.
❸
DC rating (Manufacturer’s self certification):
91.5 mm
(3.60 in.)
91.5 mm
(3.60 in.)
One pole 48VDC, two pole series 125VDC
* UL and CSA Pending
18
17.5 mm (0.69 in.)
35 mm (1.38 in.)
Altech Corp.
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
TWO POLE
THREE POLE
Basic Dimensions (side view)
35 mm
(1.38 in.)
2Z
Rated
Type/
Current Cat. No.
0.3A
0.5A
0.75A
0.8A
❶
1.0A
1.6A
2.0A
2.5A
3.0A
3.5A
4.0A
5.0A
6.0A
8.0A
10A
12A
❶
12.5A
13A
15A
❶
16A
20A
25A
30A
❶
32A
40A
50A
60A
❶
63A
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
Approvals
UL
UL
UL
3Z
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
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
❷
40°C (104°F)
4/1.68kg (3.7 lb.)
Top: 18-3 AWG; Bottom: 18-2 AWG
20 lb.in.
Approvals
UL
70mm (2.76 in.)
V-EA-Z Trip
0.3A Through 10A Rated Current
1.05-1.35xI
N
60
40
Minutes
UL
UL
10
4
1
40
20
10
4
1
0.4
10
-1
4x10
-2
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
Seconds
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
Tripping time t
10
-2
4x10
-3
10
-3
1
2
3
4 5 6 8 10
20
40
100
Multiple of Rated Current
V-EA-Z Trip
12.5A Through 32A Rated Current
1.05-1.35xI
N
60
40
Minutes
10
4
1
Thermal Overload
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
*
*
*
*
Tripping time t
10
4
1
0.4
10
-1
4x10
-2
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
❷
40°C (104°F)
5/1.4kg (3.1 lb.)
Top: 18-3 AWG; Bottom: 18-2 AWG
20 lb.in.
Seconds
10
-2
4x10
-3
10
-3
1
2
3
4 5 6 8 10
20
40
100
Multiple of Rated Current
“Z” Trip Parameters
Rated Current, 0.3A to 32A.
Magnetic Trip:
1. Hold for a minimum of 100ms at
2 times rated current.
2. Trip in under 100ms at 3 times
rated current.
91.5 mm
(3.60 in.)
91.5 mm
(3.60 in.)
NB:
Trip curves shown comply with North
American standards. For trip curves
according to European standards please
consult Altech.
35 mm (1.38 in.)
52.5 mm (2.07 in.)
Altech Corp.
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
19
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