HE-V [PANASONIC]
HE-V RELAYS;
PANASONIC 
Max. 1,000 V DC, 20 A
cut-off possible
High capacity
HE-V RELAYS
power relays
FEATURES
TYPICAL APPLICATIONS
• Compact size
• Photovoltaic power generation
systems
(L: 41.0 × W: 50.0 × H: 39.4 mm
L: 1.614 × W: 1.969 × H: 1.551 inch)
Maximum 1,000 V DC, 20 A cut-off has
been achieved (at each 1 Form A contact
connected in series)
• Battery charge and discharge
systems
• Inverter control, DC load control, etc.
Contact connection
method
RoHS compliant
• Contact arrangement: 2 Form A
400 DC, 20 A per 1 Form A
• Contributes to energy saving in
devices thanks to reduced coil hold
voltage
Coil hold voltage can be reduced down to
33% of the nominal coil voltage. This
equals to operating power of
approximately 210 mW.
*Coil hold voltage is the coil voltage after
100 ms following application of the
nominal coil voltage.
• Protective construction: Flux-Resistant type
ORDERING INFORMATION
HEV 2a
N
P
DC
Contact arrangement
2a: 2 Form A (Single side stable type)
Pick-up voltage
N: 70% of nominal voltage
Terminals
P: PC board terminal type
Coil voltage (DC)
6V, 9V, 12V, 15V, 24V
TYPES
Nominal coil voltage
Part No.
6V DC
HEV2aN-P-DC6V
HEV2aN-P-DC9V
HEV2aN-P-DC12V
HEV2aN-P-DC15V
HEV2aN-P-DC24V
9V DC
12V DC
15V DC
24V DC
Standard packing: Carton: 10 pcs.; Case: 50 pcs.
ASCTB326E 201212-T
Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/
HE-V
RATING
1. Coil data
Pick-up voltage
(at 20°C 68°F)
(Initial)
Drop-out voltage
(at 20°C 68°F)
(Initial)
Nominal operating
current
[ 10%] (at 20°C 68°F)
Nominal coil
voltage
Coil resistance
[ 10%] (at 20°C 68°F)
Nominal operating
power
Max. applied voltage
(at 55°C 131°F)
6V DC
9V DC
320mA
213mA
160mA
128mA
80mA
18.8Ω
42.2Ω
75.0Ω
117.0Ω
300.0Ω
70%V or less of
nominal voltage
5%V or more of
nominal voltage
110%V of
nominal voltage
12V DC
15V DC
24V DC
1,920mW
2. Specifications
Characteristics
Item
Specifications
Arrangement
Contact material
2 Form A
AgNi type
Contact
Rating
Max. 100 mΩ (By voltage drop 6 V DC 1 A),
Max. 3 mΩ (By voltage drop 6 V DC 20 A, Reference value)
20 A 800 VDC (at each 1 Form A contact connected in series),
20 A 400 VDC (at 1 Form A contact only)
Contact resistance (Initial)
Contact rating (Resistive load)
Max. switching voltage
1,000 V DC
20 A
Max. switching current
Min. switching capacity (Reference value)*1
Insulation resistance (Initial)
Short current (Initial)
100 mA 5 V DC
Min. 1,000MΩ (at 1,000V DC) Measurement at same location as “Breakdown voltage” section.
Max. 300 A 1 ms (Reference value)
Between open contacts
2,000 Vrms for 1 min. (Detection current: 10 mA)
4,000 Vrms for 1 min. (Detection current: 10 mA)
5,000 Vrms for 1 min. (Detection current: 10 mA)
Breakdown
voltage (Initial)
Between contact sets
Between contact and coil
Surge breakdown voltage*2
(Between contact and coil) (Initial)
Min. 10,000 V
Electrical
characteristics
Max. 75°C 135°F (By resistive method, contact carrying current: 20A,
100%V of nominal coil voltage at 55°C 131°F.)
Max. 45°C 113°F (By resistive method, contact carrying current: 20A,
60%V of nominal coil voltage at 85°C 185°F.)
Coil temperature rise value
33 to 110%V (Contact carrying current: 20A, at 55°C 131°F),
33 to 60%V (Contact carrying current: 20A, at 85°C 185°F)
Coil holding voltage*3
Operate time (at 20°C 68°F)
Release time (at 20°C 68°F)
Functional
Shock
Max. 30 ms (nominal coil voltage, without bounce)
Max. 10 ms (nominal coil voltage) (without diode)
Min. 98 m/s2 (Half-wave pulse of sine wave: 11 ms; detection time: 10 µs)
Min. 980 m/s2 (Half-wave pulse of sine wave: 6 ms)
10 to 55 Hz at double amplitude of 1.0 mm (Detection time: 10 µs)
10 to 55 Hz at double amplitude of 1.5 mm
resistance
Destructive
Functional
Destructive
Mechanical
characteristics
Vibration
resistance
Expected life
Conditions
Unit weight
Mechanical life
Min. 106 (at 180 cpm)
Ambient temperature:
Conditions for operation, transport and
storage*4
–40 to +55°C –40 to +131°F (When coil holding voltage is 33% to 110% of nominal coil voltage)
–40 to +85°C –40 to +185°F (When applied coil hold voltage is 33% to 60% of nominal coil voltage)
Humidity: 5 to 85% R.H. (Not freezing and condensing)
Max. operating speed
6 times/min. (at nominal switching capacity ON : OFF = 1s : 9s)
Approx. 120 g 4.23 oz
Notes: *1. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the
actual load.
*2. Wave is standard shock voltage of 1.2×50µs according to JEC-212-1981
*3. Coil holding voltage is the coil voltage after 100 ms following application of the nominal coil voltage.
*4. The upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage
conditions in NOTES.
ASCTB326E 201212-T
Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/
HE-V
3. Electric life
1. Each 1 Form A contact connected in series
Conditions: Ambient temperature: 20°C 68°F (L/R 1 ms) (ON : OFF = 1s : 9s)
20A 800V DC
Min.1×103 ope.
Min.1×104 ope.
Min.10 ope.
Min.1×103 ope.
Min.1×103 ope.
Resistive load
20A 600V DC
Overload
20A 1,000V DC
–20A 400V DC
40A 800V DC
Reverse
Inrush current
2. 1 Form A contact only
Conditions: Ambient temperature: 20°C 68°F (L/R 1 ms) (ON : OFF = 1s : 9s)
20A 400V DC
Min.1×103 ope.
Min.1×104 ope.
Min.10 ope.
Min.1×103 ope.
Min.1×103 ope.
Resistive load
20A 300V DC
Overload
20A 500V DC
–20A 200V DC
40A 400V DC
Reverse
Inrush current
Recommended circuit
Positive polarity of load should be connected to pin 1 and pin 3, refer to the following circuit schematics.
1. Each 1 Form A contact connected in series (Bottom view)
2. 1 Form A contact only (Bottom view)
Current
Current
Coil surge protection
device: Varistor
Coil surge protection
device: Varistor
Power supply
for load
1
2
6
1
2
6
5
Power supply
for load
Load
circuit
Power supply
for relay coil
Power supply
for relay coil
Load circuit
Current
3
4
3
4
5
Power supply
for load
Current
Load circuit
REFERENCE DATA
1. Maximum switching power
2. Ambient temperature characteristics
Tested sample: HEV2aN-P-DC12V, 6pcs
3. Coil temperature rise
Measured portion: Inside the coil
Ambient temperature: 25°C 77°F, 55°C 131°F, 85°C
185°F
Contact current: 20 A
1000
100
30
70
Drop out voltage
20
25°C
55°C
85°C
60
50
40
30
20
10
0
Ambient
temperature,
10
°C °F
-60 -40 -20
0
DC resistive load
20
Pick up voltage
-76 -40 -4 32
20 40 60 80 100
68 74 110 176 212
Contact connected in series
10
-10
-20
-30
1 Form A contact only
1
1
10
100
1000
50
60
70
80
90
100 110
Contact voltage, V
Coil applied voltage, %V
4.-(1) Cut-off life curve (forward direction)
Contact connected in series
4.-(2) Cut-off life curve (forward direction)
1 Form A contact only
Switching and
cut-off possible
20A or less
Switching and
cut-off possible
20A or less
Cut-off only
above 20A
Cut-off only
above 20A
Load: Resistive
Load: Resistive
20A
20A
10,000
10,000
300V DC
400V DC
600V DC
800V DC
1,000
100
10
1,000
100
10
1,000V DC
500V DC
1
1
1
10
100
1,000
1
10
100
1,000
Contact current, A
Contact current, A
ASCTB326E 201212-T
Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/
HE-V
The CAD data of the products with a CAD Data mark can be downloaded from: http://industrial.panasonic.com/ac/e/
DIMENSIONS (mm inch)
CAD Data
External dimensions
PC board pattern (Bottom view)
40.00
1.575
10-2.10 dia.
10-.083 dia.
41.00
1.614
16.50
.650
10.25
.404
2-4.50 dia.
2-.177 dia.
15.15
.596
50.00
1.969
4.40
.173
4.40
.173 4.40
.173
4.90
.193
Marking
4.40
.173
13.20
.520
37.60
1.480
39.40
1.551
(12.20)
(.480)
(12.20)
(.480)
(44.70)
(1.760)
Tolerance: 0.1 .004
Schematic (Bottom view)
8-1.60
8-.063
25.40
1.000
4-4.40
4-.173
6
5
5.30
.209
13.20
.520
37.60
1.480
1
2
3
4
40.00
1.575
10.25
.404
2-0.80
2-.031
+
−
2-1.60
2-.063
16.50
.650
(15.15)
(.596)
24.50
.965
8-0.80
8-.031
(3.20)
(.126)
(3.20)
(.126)
General tolerance: 0.3 .012
SAFETY STANDARDS
UL/C-UL (Recognized)
Contact rating
20A 600V DC 6,000 ope. (at 85°C 185°F, Same polarity only)
VDE (Certified)
Contact rating
File No.
E43028
File No.
40006681
20A 600V DC 10,000 ope. (at 85°C 185°F)
20A 800V DC 1,000 ope. (at 85°C 185°F)
20A 1000V DC
10 ope. (at 85°C 185°F)
ASCTB326E 201212-T
Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/
HE-V
NOTES
ꢀ Usage, transport and storage
conditions
(2) Soldering iron: 260°C 5°C
conditions, and desired reliability level,
therefore it is recommended to check this
with the actual load.
500°F 41°F (solder temperature) and
within 10 seconds (soldering time)
2) Please obey the following conditions
when manual soldering.
1) Temperature:
–40 to +55°C –40 to +131°F (When coil
holding voltage is 33 to 110%V)
–40 to +85°C –40 to +185°F (When coil
holding voltage is 33% to 60%V)
2) Humidity: 5 to 85% RH
(Avoid freezing and condensation.)
The humidity range varies with the
temperature. Use within the range
indicated in the graph below.
3) Atmospheric pressure: 86 to 106 kPa
Temperature and humidity range for
usage, transport, and storage
6) Heat, smoke, and even a fire may
occur if the relay is used in conditions
outside of the allowable ranges for the
coil ratings, contact ratings, operating
cycle lifetime, and other specifications.
Therefore, do not use the relay if these
ratings are exceeded.
7) If the relay has been dropped, the
appearance and characteristics should
always be checked before use.
Max. 260°C 500°F (solder temperature)
and within 10 seconds (soldering time)
Max. 350°C 662°F (solder temperature)
and within 3 seconds (soldering time)
*Effects of soldering heat on the relays
vary depending on the PC board. So
please confirm actual soldering condition
with the PC board used for assembling.
3) Since this is not a sealed type relay, do
not clean it as is. Also, be careful not to
allow flux to overflow above the PC board
or enter the inside of the relay.
ꢀ Certification
8) Incorrect wiring may cause
unexpected events or the generation of
heat or flames.
(Coil holding voltage: 33 to 110%V)
9) The relay should not be installed near
strong magnetic field (transformers,
magnets, etc.) and should not be
installed near objects that radiate heat.
10) If the several relays are mounted
closely or a heat-generation object is
close to the relay, take care to check the
abnormal temperature-rise and the
insulation distance between the terminals
outside of the relay.
11) If you are using an inductive load (L
load) such that L/R > 1ms, add surge
protection in parallel with the inductive
load. If this is not done, the electrical life
will decrease and cut-off failure may
occur.
12) In case using a capacitive load (C-
load), please take a countermeasure as
pre-charging to the capacitive load so
that the inrush current will not surpass
40A. The relay might have a contact
welding without such countermeasure.
13) This relay is a high-voltage direct-
current switch. In its final breakdown
mode, it may lose the ability to provide
the proper cut-off. Therefore, do not
exceed the indicated switching capacity
and life. (Please treat the relay as a
product with limited life and replace it
when necessary.)
In the event that the relay loses cut-off
ability, there is a possibility that burning
may spread to surrounding parts, so
configure the layout so that the power is
turned off within one second and from the
point of view of safety, consider installing
a failsafe circuit in the device.
Humidity, %RH
1) This relay is UL/C-UL certified.
85
20A 600VDC 6×103 ope.
Tolerance range
(at 85°C 185°F, Same polarity only)
2) This relay is certified by VDE
20A 600VDC 1×104 ope.
(Avoid freezing (Avoid
when used at condensation
temperatures
lower than
0°C 32°F)
when used at
temperatures
higher than
0°C 32°F)
(at 85°C 185°F)
20A 800VDC 1×103 ope.
5
–40
–40
0
+32
55
+131
(at 85°C 185°F)
20A 1000VDC 10 ope.
Temperature, °C °F
(at 85°C 185°F)
(Coil holding voltage: 33 to 60%V)
ꢀ Cautions for use
Humidity, %RH
1) For precautions regarding use and
explanations of technical terminology,
please refer to our web site.
85
Tolerance range
(http://industrial.panasonic.com/ac/e/)
2) To ensure good operation, please keep
the voltage on the coil ends to 5% (at
20°C 68°F) of the rated coil operation
voltage. Also, please be aware that the
pick-up voltage and drop-out voltage may
change depending on the temperature
and conditions of use.
3) Keep the ripple rate of the nominal coil
voltage below 5%.
And do not have a parallel connection
with diode for the purpose of coil surge
absorber. Instead of diode, a Varistor is
recommend for the absorber.
(Avoid freezing (Avoid
when used at condensation
temperatures
lower than
0°C 32°F)
when used at
temperatures
higher than
0°C 32°F)
5
–40
–40
0
+32
85
+185
Temperature, °C °F
4) Condensation
Condensation forms when there is a
sudden change in temperature under
high temperature and high humidity
conditions. Condensation will cause
deterioration of the relay insulation.
5) Freezing
Recommended Varistor;
Condensation or other moisture may
freeze on the relay when the
Maximum energy: more than 1J
Varistor voltage: 150 to 400% of nominal
voltage
temperatures is lower than 0°C 32°F. This
causes problems such as sticking of
movable parts or operational time lags.
6) Low temperature, low humidity
environments
The plastic becomes brittle if the relay is
exposed to a low temperature, low
humidity environment for long periods of
time.
4) The cycle lifetime is defined under the
standard test condition specified in the
JIS C5442 standard (temperature 15 to
35°C 59 to 95°F, humidity 25 to 75%).
Check this with the real device as it is
affected by coil driving circuit, load type,
activation frequency, ambient conditions
and other factors.
14) Please carry out the design which
had a enough margin in conductor width
and a space between conductors in the
case of a design of a printed circuit
board.
ꢀ Solder and cleaning conditions
1) Please obey the following conditions
when soldering automatically.
(1) Preheating: Max. 120°C 248°F
(solder surface terminal portion) and
within 120 seconds
Especially, contact terminals have
polarity. So if the contact terminals were
connected with opposite pole, the electric
life would be shorter.
5) This value can change due to the
switching frequency, environmental
15) Contact terminals have polarity. So if
the contact terminals were connected
with opposite pole, the electric life would
be shorter. There is no polarity if they are
used for power distribution only.
ASCTB326E 201212-T
Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/
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