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AS Series
Data Sheet
January 1998
File Number
2492.4
High Energy Metal-Oxide Arrester Blocks
The AS Series of Arrester blocks is primarily designed to be
used as the surge suppression element within a lightning
arrester assembly. These arrester blocks provide the high
peak surge current and energy ratings required for the
protection of high voltage AC power utility distribution
systems. Typically, these devices are placed within a special
arrester housing provided by the customer, and stacked to
achieve the necessary continuous working voltage ratings
for the specific application. (See the CA or NA series of
Varistor discs for lower voltage and energy applications.)
Features
• Provided in Disc Form for Unique Packaging by
Customer
• Electrode Finish Enables Pressure Contact for Stacking
Application
• Available Disc Sizes: 32mm, 42mm and 60mm Diameter
• No Follow Current
• High Surge Current Capability
• Conforms to IEC 99-4 and ANSI/IEEE C62.11 Industry
Standards
• Characterized for Lightning Arrester Parameters
[ /Title
(AS
Series)
/Sub-
ject
(High
Energy
Metal-
Oxide
Arreste
r
Blocks
)
/Autho
r ()
/Key-
words
(TVS,
Tran-
sient
Sup-
pres-
sion,
Protec-
tion,
Arreste
r,
Light-
ning
Protec-
tion,
Applications
• Lightning Protection of Electrical AC Distribution
Transformers and Systems
• Arrester Assemblies of the Porcelain Polymeric,
“Under-oil” and Metal Clad Variety
Packaging
AS SERIES
8-3
1-800-4-HARRIS or 407-727-9207
|
Copyright
©
Harris Corporation 1998
AS Series
Absolute Maximum Ratings
Rated Voltage
AC Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steady State Applied Voltage
AC Voltage (MCOV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transient
Peak Pulse Current (I
TM
) for 4/10
µs
Current Wave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Energy Rating for 2ms Current Wave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature (T
A
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STORAGE AND HANDLING NOTES:
1. Arrester blocks should be stored in a moisture free environment at all times.
2. Use caution during handling to prevent damage or chipping of edges of the arrester blocks.
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
For ratings of individual members of a series, see Device Ratings and Specifications chart
AS SERIES
UNITS
3.00 to 6.00
kV
2.55 to 5.10
kV
65 to 100
2.2 to 12
60
kA
kJ
o
C
Device Ratings and Specifications
PARAMETER
Rated Voltage (RMS)
Maximum Continuous
Operating Voltage (MCOV)
Reference Current, I
REF
Minimum Reference
Voltage, V
REF
Nominal Discharge
Current, I
P
(8/20µs)
Residual Voltage (Max) at
I
P
Energy Rating at 60
o
C
(2ms)
Peak Current, 4/10µs at
60
o
C (Note 4)
Maximum Steep Current
Residual Voltage at 5kA
(1/20µs)
Maximum Steep Current
Residual Voltage at 10kA
(1/20µs)
Maximum Dissipation
Power at MCOV
Maximum Conduction
Current at MCOV
NOTES:
V302AS32
3.0
2.55
5.0
3.12
5.0
9.8
2.2
65.0
11.3
25
o
C Unless Otherwise Specified
PART NUMBER
V402AS32
4.0
3.40
5.0
4.16
5.0
13.1
2.9
65.0
15.0
V502AS32
5.0
4.25
5.0
5.20
5.0
16.3
3.6
65.0
18.8
V602AS32
6.0
5.1
5.0
6.24
5.0
19.6
4.3
65.0
22.5
V302AS42
3.0
2.55
5.0
3.12
10.0
10.0
3.5
100.0
-
V402AS42
4.0
3.40
5.0
4.16
10.0
13.3
4.7
100.0
-
V502AS42
5.0
4.25
5.0
5.20
10.0
16.7
5.8
100.0
-
V402AS60
4.0
3.40
5.0
4.16
10.0
12.5
12.0
100.0
-
UNITS
kV
kV
mA
kV
RMS
kA
kV
kJ
kA
kV
-
-
-
-
11.5
15.3
19.2
14.4
kV
0.23
75.0
0.30
75.0
0.38
75.0
0.45
75.0
0.36
110.0
0.48
110.0
0.60
110.0
0.50
140.0
W
µA
3. In addition to above standard types, custom ratings and dimensions can be provided.
4. Parts should be wrapped using a secondary insulating film or encased by polymeric housing.
8-4
AS Series
Performance Curves
1.3
PER UNIT OF RATED VOLTAGE
1.25
1.2
1.15
1.1
1.05
1
0.1
PEAK RESIDUAL VOLTAGE (kV)
35
30
25
20
15
10
5
0
0.001
V602AS32
V502AS32
V402AS32
V302AS32
1
10
TIME (s)
100
1000
10000
0.01
1000
100
1
10
0.1
PEAK IMPULSE CURRENT (A)
10,000 100,000
FIGURE 1. TEMPORARY OVERVOLTAGE CAPABILITY (TOV)
FOR AS SERIES ARRESTERS
FIGURE 2. V-I CHARACTERISTIC AS32 SIZE
30
PEAK RESIDUAL VOLTAGE (kV)
25
20
15
10
5
V502AS42
V402AS42
V302AS42
PEAK RESIDUAL VOLTAGE (kV)
20
15
10
V402AS60
5
0
0.001
0.01
1000
100
1
10
0.1
PEAK IMPULSE CURRENT (A)
10,000 100,000
0
0.001
0.01
1000
100
1
10
0.1
PEAK IMPULSE CURRENT (A)
10,000 100,000
FIGURE 3. V-I CHARACTERISTIC AS42 SIZE
FIGURE 4. V-I CHARACTERISTIC AS60 SIZE
8-5
AS Series
Dimensions
PASSIVATION COLLAR
TYPICAL THICKNESS = 0.07mm
ELECTRODE
OF SPRAYED
ALUMINUM
PARTICLES
FACE CAMBER
= 0.15mm MAX
∅
D
ELECTRODE
= 0.10mm TYPICAL
H
DIMENSIONS (IN MILLIMETERS)
PART NUMBER
PARAMETER
Diameter (∅D)
Min
Max
Height (H)
Min
Max
20.0
21.5
27.0
28.5
34.0
35.5
41.0
42.5
20.0
21.5
27.0
28.5
34.3
35.8
35.3
36.8
mm
mm
32.3
33.7
32.3
33.7
32.3
33.7
32.3
33.7
40.9
42.3
40.9
42.3
40.9
42.3
60.0
62.0
mm
mm
V302AS32
V402AS32
V502AS32
V602AS32
V302AS42
V402AS42
V502AS42
V402AS60
UNITS
Ordering Information
VXXX ASXX TYPES
AS SERIES
V
30
2
AS
60
HARRIS VARISTOR
TECHNOLOGY
MCOV BASE VALUE
DIAMETER SIZE (mm)
ARRESTER SERIES
MCOV DECADE MULTIPLIER
All Harris semiconductor products are manufactured, assembled and tested under
ISO9000
quality systems certification.
Harris semiconductor products are sold by description only. Harris Semiconductor Communications Division reserves the right to make changes in circuit design and/or
specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Harris
is believed to be accurate and reliable. However, no responsibility is assumed by Harris or its subsidiaries for its use; nor for any infringements of patents or other rights
of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Harris or its subsidiaries.
For information regarding Harris’ Semiconductor Communications Division and its products, call
1-800-4-HARRIS
or see web site
http://www.semi.harris.com
8-6

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