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3ZU20

Description
Circuit Breakers 20A Z Characteristic UL 508 3 POLE
CategoryCircuit protection    Circuit protection   
File Size89KB,2 Pages
ManufacturerAltech
Websitehttp://www.altechcorp.com/
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3ZU20 Overview

Circuit Breakers 20A Z Characteristic UL 508 3 POLE

3ZU20 Parametric

Parameter NameAttribute value
Reach Compliance Codeunknown
Circuit protection typeTHERMAL MAGNETIC
Base Number Matches1
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
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
0.3-32A (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)
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
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:
with neutral pole
(d)
= U:
UL/CSA version
= R:
ring tongue terminals,
UL/CSA version
= Blank: European version
(e)
= Rated Current
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
Approvals:
UL508 Listed
*
*
*
*
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)
Not European standard rating.
Please refer to page 21 for specific
applications.
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
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