HD024
Features
□ High voltage DC load control.
□ High performance DC relay for photovoltaic power
generation systems, energy storage system and
xEV charging device, etc.
□ Complies with RoHS-Directive 2011/65/EU.
Type List
♦ Standard type
Terminal style
Designation (provided with)
Contact form
PCB terminal
Screw terminal
Flux tight
Flanged cover (Flux tight)
1A
(SPDM)
HD024P-1AH-F-C
------
------
HD024S1-1AH-F-C1
1A
(SPDM)
HD024NP-1AH-F-C
------
------
HD024NS1-1AH-F-C1
♦ High sensitivity type
PCB terminal
Screw terminal
Ordering Information
HD024
1
□
2
P
3
-
1A
4
H
5
-
1. HD024 -- Basic series designation
3. Blank
N
-- Standard type
-- High sensitivity type
3. P
S1
4. 1A
F
6
-
C
7
□
8
5. H
-- Contact material Ag alloy
6. F
-- Class F
-- PCB terminal
-- Screw terminal (M6)
7. C
C1
-- Flux tight
-- Flanged cover (Flux tight)
-- Form A, single-pole, double-make
(SPDM)
8. □
-- Coil voltage (please refer to the
coil rating data for the availability)
Contact Rating
♦ Each 1 form A contact
Rated load (Resistive)
120A 400VDC, On 1s / Off 19s, 100 ops.
Breaking voltage
Max. 400VDC
Continuous carrying current
Max. 120A
♦ Each 1 form A contact connected in series
Rated load (Resistive)
40A 1000VDC, On 1s / Off 19s, 5 ops.
80A 650VDC, On 1s / Off 19s, 50 ops.
120A 400VDC, On 1s / Off 19s, 300 ops.
Breaking voltage
Max. 1000VDC
Continuous carrying current
Max. 120A
Notes : (1) Reference circuit for above series connection, please refer to figure 1.
(2) With above 2 cm mounting distance between two relays.
54
HD024
♦ Figure 1
Current
(-)
Power supply
Load
Power supply
(+)
(+)
(-)
Current
Coil Rating (DC)
♦ Standard type
Rated
voltage
(V)
Rated current Coil resistance
±10 % at 23°C ±10 % at 23°C
(mA)
(Ω)
12
500
24
24
250
96
Pick up
voltage
(Max.)
at 23°C (1)
Drop out
voltage
(Min.)
at 23°C
Continuous
voltage
at 85°C (2)
Power
consumption
at rated / holding
voltage
80 % of
rated
voltage
5 % of
rated
voltage
50~55 % of
rated
voltage
approx.
6W / 1.5W (2)
Notes : (1) To energize relay properly apply 100%~120% nominal coil voltage for 200ms.
(2) Coil holding voltage is 50~55% of nominal voltage after applying nominal voltage for 200ms.
♦ High sensitivity type
Rated
voltage
(V)
Rated current Coil resistance
±10 % at 23°C ±10 % at 23°C
(mA)
(Ω)
12
414
29
24
209
115
Pick up
voltage
(Max.)
at 23°C
Drop out
voltage
(Min.)
at 23°C
Max.
continuous
voltage
at 70°C (1)
Power
consumption
at rated
voltage
80 % of
rated
voltage
5 % of
rated
voltage
100 % of
rated
voltage
approx.
5W
Notes : (1) Without continuous contact current.
Specification
Contact material
Ag alloy
Voltage drop
(1)
Typ. 10mV at 10A
Operate time
(1)
50ms Max.
Release time (1)
Insulation resistance
30ms Max.
(1)
Dielectric strength (1)
Vibration resistance
Shock resistance
Life expectancy
Operating ambient temperature
Weight
100MΩ Min. (DC 500V)
Between open contact
: AC 2000V, 50/60Hz 1 min.
Between contact and coil
: AC 4000V, 50/60Hz 1 min.
Operating extremes
10~500Hz, 5.0G
Damage limits
10~500Hz, 5.0G
Operating extremes
10G
Damage limits
100G
Mechanical
500,000 ops.
(frequency 9,000 ops./hr)
-40~+85°C (no freezing) for HD024
-40~+70°C (no freezing) for HD024N
Approx. 180g, 185g (flanged cover)
Notes : (1) Initial value. Operate and release time excluding contact bounce.
(2) Load sides with polarities (+) and (-).
(3) All tests are conducted under room temperature and room humidity.
(4) Consider the heat of PCB is necessary, please check the actual condition of PCB.
(5) Applying no diode to this relay. The life expectancy will be lower when a diode is used. To use
a varistor (ZNR) could absorb the coil surge of relay that is recommended.
55
HD024
(6) Do not use the relay exceeding the coil rating, contact rating and life expectancy, or this may cause
the risk of overheating.
(7) To assure optimum performance, avoid the relay from dropping, hitting, or other unnecessary shocks.
(8) Take care to avoid cross connections as they may cause malfunctions or overheating.
(9) To avoid mounting the relay in strong magnetic fields (near a transformer or magnet) or close to an
object that radiates heat.
(10) Do not switch the contacts without any load as the contact resistance may become increased rapidly.
(11) Always keep the oils and fats kind from the main terminal parts.
(12) Use suitable harnesses and bus bars according to the current as below:
120A type : Min. 38 mm2
(13) To avoid unexpected damage, when tightening a screw, use no exceeding specified torque range
as below:
M5 screw : 4.5 ~ 5 N.m
M6 screw : 6 ~ 8 N.m
(14) Please contact Song Chuan for the detailed information.
Safety Approval
Certified
UL / CUL
File No.
E88991
Safety Approval Rating
UL / CUL
50A 450VDC, Resistive, Carrying current 120A
20A 650VDC, Resistive, Carrying current 120A
5A 1000VDC, Resistive, Carrying current 120A
60A 650VDC, Resistive, Carrying current 120A (1)
20A 1000VDC, Resistive, Carrying current 120A (1)
TYPE: HD024 , MD023L
Notes : (1) Operating in a series connection.
Outline Dimensions
Outline Dimensions
◆ Screw terminal (-C1 cover type)
♦ Screw terminal (-C1 cover type)
Connector part number:
MG641029(KET)
57.8
(2.276)
45.8
41.5
(1.803)
(1.63)
(1.724)
(0.079X0.472)
65.5
80.5
(2.579)
C
L
2(-) Contact terminal
50
3 Coil terminal
(3.169)
C
L
(1.969)
4 Coil terminal
43.8
2.0X12-2
26.5
(1.043)
1(+) Contact terminal
C
L
M6-2 bolt
Ø6-2
(0.236)
20
57.3
56
(2.256)
(0.787)
TOLERANCE:
LESS THAN: 1(0.039) ±0.1(0.004)
5(0.197) ±0.3(0.012)
20(0.787) ±0.5(0.020)
MORE THAN: 20(0.787) ±1(0.039)
Wiring Diagram
TOP VIEW
4
Wiring
Diagram
Wiring
Diagram
5(0.197) ±0.3(0.012)
20(0.787) ±0.5(0.020)
MORE THAN: 20(0.787) ±1(0.039)
2(-)
TOP VIEW
TOP VIEW
HD024
3
1(+)
4
43 with3 polarities (+) and (-).
Load sides
Wiring Diagram
Wiring Diagram
TOP VIEW
(Top view)
4
2(-)
3
1(+)
2(-)
1(+)
Load sides
polarities
(+) and(+)
(-).and (-).
Loadwith
sides
with polarities
◆ PCB terminal (-C cover type)
2(-)
1(+)
sides
with polarities
polarities (+) and
LoadLoad
sides
with
(+) (-).
and (-).
41.5
12
(0.118)
50
(0.032X0.11)
124
50
(0.472)
(0.157)
(1.969)
C
L
4 Coil terminal
4 Coil terminal
19
19
0.8X2.8-2
0.8X2.8-2
(0.032X0.11)
4 Coil
terminal
(0.032X0.11)
(0.748) (0.748)
(0.157)
19
4
(0.748)
TOLERANCE:
LESS THAN: 1(0.039) ±0.1(0.004)
5(0.197) ±0.3(0.012)
20(0.787) ±0.5(0.020)
MORE THAN: 20(0.787) ±1(0.039)
0.8X2.8-2
(0.032X0.11)
(0.157)
TOLERANCE:
TOLERANCE:
LESS THAN:
LESS1(0.039)
THAN: ±0.1(0.004)
1(0.039) ±0.1(0.004)
5(0.197) ±0.3(0.012)
5(0.197) ±0.3(0.012)
20(0.787)20(0.787)
±0.5(0.020)±0.5(0.020)
MORE
THAN:
20(0.787)
±1(0.039) ±1(0.039)
TOLERANCE:
MORE
THAN: 20(0.787)
4
Wiring Diagram
BOTTOM VIEW
LESS THAN:
1(0.039) ±0.1(0.004)
5(0.197) ±0.3(0.012)
20(0.787) ±0.5(0.020)
MORE THAN: 20(0.787) ±1(0.039)
2(-)
1(+)
Wiring
Diagram
Wiring
Diagram
VIEW VIEW
BOTTOM
WiringBOTTOM
Diagram
(Bottom Wiring
view) Diagram
BOTTOM VIEW
3
4
2(-)(+) and
1(+)
2(-)(-).
1(+) with polarities
Load sides
2(-)
1(+)
PC Board Layout
BOTTOM VIEW
(1.831)
(1.969)
12
(0.748)
50
(0.472)
3
2(-) Contact terminal
0.8X2.8-2
C
L
C
L
12
22.6
3
(0.079X0.472)
19
(0.890)
3
4 Coil terminal
C
L
(0.890)
22.6
(0.890)
22.6
(0.787)
46.5
(1.831) (1.831)
(0.118) (0.118)
46.5
2.0X12-2
2(-) Contact
terminal
2(-) Contact
terminal
3 Coil terminal
3 Coil terminal
3 Coil terminal
(0.079X0.472)
(0.079X0.472)
4
3 Coil terminal
C
L (1.634)C
L
20
46.5
2.0X12-2
2.0X12-2
C
L
(0.157)
1(+) Contact
terminalterminal
1(+) Contact
1(+) Contact terminal
20
(0.787)
(0.787)
41.5
(0.472)
(0.890)
22.6
(1.634) (1.634)
20
3
(0.118)
2(-) Contact terminal
41.5
(0.472)
1(+) Contact terminal
(1.831)
(1.969)
L
◆ PCB terminal (-C cover type)
41.5
46.5
2.0X12-2
(0.079X0.472)
50
20
Outline Dimensions
◆ PCB
(-C cover
type) type)(0.787)
◆ terminal
PCB
(-C cover
(-Cterminal
cover type)
♦ PCB terminal
C
(1.969)
(1.634)
3
4
3
4
Load sides
polarities
(+) and(+)
(-).and (-).
Loadwith
sides
with polarities
Load sides with polarities (+) and (-).
3
4
Load sides with polarities (+) and (-).
PC Board
LayoutLayout
PC Board
PC Board Layout
(Bottom
view)
BOTTOM VIEW
BOTTOM VIEW
20
2.4X12.4-2
(0.787)
(0.095X0.488)
C
L
PC Board Layout
BOTTOM VIEW
(0.095X0.488)
1.2X3.2-2
12
(0.472)
12
12
(0.472)
C
L
12
19
19
(0.047X0.126)
(0.047X0.126) (0.748)
(0.748)
(0.047X0.126)
C
L
C
L
(0.890)
22.6
(0.748)
(0.472)
(0.890)
22.6
(0.890)
19
(0.047X0.126)
1.2X3.2-2
1.2X3.2-2
(0.472)
C
L
1.2X3.2-2
22.6
C
L
(0.890)
22.6
20
20
2.4X12.4-2
2.4X12.4-2 (0.787) (0.787)
(0.095X0.488)
(0.095X0.488)
C
C
L
L
20
2.4X12.4-2
(0.787)
19
(0.748)
- All specifications subject to change. Please
contact Song Chuan for update. -
57