HG
20 AMP POWER RELAY
HG RELAYS
a
36
1.417
FEATURES
a
34.0
1.339
50.0
1.969
68.0
2.667
56
2.205
mm
inch
HG2
HG3
HG4
• Large capacity — 20 A 250 V AC resistive and 1.5 kW 3 phase
220 V AC motor loads
• High contact reliability after long use
• Usable with direct soldering,
quick-connect and plug-in terminals. (.250)
SPECIFICATIONS
Contacts
Arrangement
Initial contact resistance, max.
(By voltage drop 6 V DC 1A)
Contact material
Nominal switching capacity
Min. switching capacity
#1
2 Form C, 3 Form C, 4 Form C
15 mΩ
Silver alloy
20 A 250 V AC (resistive)
100 mA, 5 V DC
Characteristics (at 60 Hz, 20°C
68°F)
Maximum operating speed
Initial insulation resistance*
1
Between open contacts
Initial
Between contacts sets
breakdown
voltage*
2
Between contacts and coil
2 Form C type
Operate time*
3
(approx.)
3 Form C &
(at nominal voltage)
4 Form C type
2 Form C type
Release time
(without diode)*
3
(approx.)
3 Form C &
(at nominal voltage)
4 Form C type
Shock resistance
Functional*
4
Destructive*
5
Functional*
6
Vibration resistance
Destructive
Ambient
Conditions for operation,
temp.
transport and storage*
7
(Not freezing and condensing at
Humidity
low temperature)
2 Form C type
Unit weight
3 Form C type
4 Form C type
20 cpm
Min. 100 MΩ at 500 V DC
2,000 Vrms for 1 min.
2,000 Vrms for 1 min.
2,000 Vrms for 1 min.
Max. 30 ms
Max. 40 ms
Max. 30 ms
Max. 40 ms
98 m/s
2
{10 G} (except for the
contact moving direction)
980 m/s
2
{100 G}
10 to 55 Hz
at 1 mm double amplitude
10 to 55 Hz
at 2 mm double amplitude
–50°C to +40°C
–58°F to +104°F
5 to 85% R.H.
Approx. 130 g
4.59 oz
Approx. 185 g
6.53 oz
Approx. 240 g
8.47 oz
Expected life (min. operations)
Mechanical (at 180 cpm)
AC type: 10 , DC type: 10
7
6
Life curve for AC types
1,000
Operations,
×10
4
900
800
700
600
500
400
300
200
100
0
125 V A
Mechanical life : 10
Operating frequency:
180 op./min.
7
0
VA
C
co
s
ϕ
=
C cos
ϕ
#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.
25
=1
5
1
10
15
20
Load current, A
Remarks
* Specifications will vary with foreign standards certification ratings.
*
1
Measurement at same location as “Initial breakdown voltage” section
*
2
Detection current: 10 mA
*
3
Excluding contact bounce time
*
4
Half-wave pulse of sine wave: 11ms; detection time: 10µs
*
5
Half-wave pulse of sine wave: 6ms
*
6
Detection time: 10µs
*
7
Refer to 6. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT
Electrical life with AC load
AC load
Voltage, V AC
125
Resistive
(cos
ϕ
]
1)
Current, A
20
15
20
15
10
15
10
10
7.5
Expected life
(min. operations)
5×10
5
7.5×10
5
2×10
5
5×10
5
7.5×10
5
2×10
5
5×10
5
2×10
5
5×10
5
AC load
Lamp
Voltage, V AC
125
125
250
250
Capacity, kW
0.5
0.3
0.75
0.4
0.75
0.4
1.5
0.75
Expected life
(min. operations)
2×10
5
5×10
5
2×10
5
5×10
5
2×10
5
5×10
5
2×10
5
5×10
5
250
Motor
Single
phase
Three
phase
Inductive
(cos
ϕ
]
0.4)
125
250
Note: In case of an electromagnet or exiting coil load (solenoid, etc.), the value of the motor or lamp load is applicable.
Electrical life with DC load
DC load
Resistive
Inductive (L/R
]
7 ms)
Voltage, V DC
24
125
24
125
Current, A
15
0.8
10
0.4
Expected life (min. operations)
5
×
10
5
5
×
10
5
5
×
10
5
5
×
10
5
Note: For DC inductive load, use of an arc extinguishing circuit is recommended.
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
HG
TYPICAL APPLICATIONS
Industrial machinery, machine tools, food
processing and packing machines, office
machines, transportation equipment and
amusement devices.
ORDERING INFORMATION
Ex.
HG
2
AC 240 V
Coil voltage
AC 6, 12, 24, 48, 115, 220, 240 V
DC 6, 12, 24, 48, 110, 200 V
Case: HG2 100 pcs.
HG3, HG4 50 pcs.
Contact arrangement
2: 2 Form C
3: 3 Form C
4: 4 Form C
(Note) Standard packing Carton: HG2 20 pcs.
HG3, HG4 10 pcs.
UL/CSA approved type is standard.
TYPES AND COIL DATA
DC TYPES at 20
°
C
68
°
F
Type
Part No.
Nominal coil
voltage, V DC
6
12
24
48
110
200
6
12
24
48
110
200
6
12
24
48
110
200
Pick-up
voltage,
V DC (max.)
4.8
9.6
19.2
38.4
88
160
4.8
9.6
19.2
38.4
88
160
4.8
9.6
19.2
38.4
88
160
Drop-out
voltage,
V DC (min.)
0.9
1.8
3.6
7.2
16.5
20
0.9
1.8
3.6
7.2
16.5
20
0.9
1.8
3.6
7.2
16.5
20
Max.
allowable,
V DC voltage
6.6
13.2
26.4
52.8
121
220
6.6
13.2
26.4
52.8
121
220
6.6
13.2
26.4
52.8
121
220
Coil
resistance,
Ω
(
±
10%)
26.4
100
416
1585
7650
27,800
22.7
89.5
364
1450
6670
23,800
18.5
71.4
296
1050
5420
15,500
Nominal coil
current,
mA
230
119.6
57.6
30.3
14.4
7.2
264
134
66
33.1
16.5
8.4
325
168
81.2
45.7
20.3
12.9
Operating
power, W
(approx.) 1.4
(approx.) 1.4
(approx.) 1.4
(approx.) 1.4
(approx.) 1.4
(approx.) 1.4
(approx.) 1.6
(approx.) 1.6
(approx.) 1.6
(approx.) 1.6
(approx.) 1.6
(approx.) 1.6
(approx.) 2.1
(approx.) 2.1
(approx.) 2.1
(approx.) 2.1
(approx.) 2.1
(approx.) 2.1
HG2-DC6V
HG2-DC12V
HG2-DC24V
HG2
(2 Form C) HG2-DC48V
HG2-DC110V
HG2-DC200V
HG3-DC6V
HG3-DC12V
HG3-DC24V
HG3
(3 Form C) HG3-DC48V
HG3-DC110V
HG3-DC200V
HG4-DC6V
HG4-DC12V
HG4-DC24V
HG4
(4 Form C) HG4-DC48V
HG4-DC110V
HG4-DC200V
AC TYPES (50/60 Hz) at 60 HZ, 20
°
C
68
°
F
Type
Part No.
Nominal coil
voltage,
V AC
6
12
24
48
115
220
240
6
12
24
48
115
220
240
6
12
24
48
115
220
240
Pick-up
voltage,
V AC (max.)
4.8
9.6
19.2
38.4
92
176
192
4.8
9.6
19.2
38.4
92
176
192
4.8
9.6
19.2
38.4
92
176
192
Drop-out
voltage,
V AC (min.)
1.8
3.6
7.2
14.4
34.5
66
72
1.8
3.6
7.2
14.4
34.5
66
72
1.8
3.6
7.2
14.4
34.5
66
72
Max.
allowable,
V AC voltage
6.6
13.2
26.4
52.8
126.5
242
264
6.6
13.2
26.4
52.8
126.5
242
264
6.6
13.2
26.4
52.8
126.5
242
264
Inductance,
H
0.026
0.104
0.416
1.660
9.531
34.96
41.68
0.018
0.073
0.290
1.163
6.648
24.26
29.06
0.012
0.050
0.199
0.795
4.557
16.89
19.87
Nominal coil
current,
mA
600
300
150
75
31.3
16.4
15
864
432
216
108
45.2
23.6
21.6
1264
632
316
158
66.1
34
31.6
Operating
power,
VA
(approx.) 3.6
(approx.) 3.6
(approx.) 3.6
(approx.) 3.6
(approx.) 3.6
(approx.) 3.6
(approx.) 3.6
(approx.) 5.2
(approx.) 5.2
(approx.) 5.2
(approx.) 5.2
(approx.) 5.2
(approx.) 5.2
(approx.) 5.2
(approx.) 7.6
(approx.) 7.6
(approx.) 7.6
(approx.) 7.6
(approx.) 7.6
(approx.) 7.6
(approx.) 7.6
HG2-AC6V
HG2-AC12V
HG2-AC24V
HG2
HG2-AC48V
(2 Form C)
HG2-AC115V
HG2-AC220V
HG2-AC240V
HG3-AC6V
HG3-AC12V
HG3-AC24V
HG3
HG3-AC48V
(3 Form C)
HG3-AC115V
HG3-AC220V
HG3-AC240V
HG4-AC6V
HG4-AC12V
HG4-AC24V
HG4
HG4-AC48V
(4 Form C)
HG4-AC115V
HG4-AC220V
HG4-AC240V
Notes:
1. The coil current ranges is
±15%
for AC (60 Hz),
±10%
for DC (20°C
68°F).
2. These relays are applicable to a range of 80% to 110% of the nominal coil voltage.
However, it is recommended that the relay be used in a range of 85% to 110% of the
nominal coil voltage, taking the temporary voltage variation into consideration. For
AC types, when operating voltage is 70% of nominal coil voltage, “buzzing” will
occur, and a large amount of current will flow, burning the coil.
3. Each coil resistance of DC types is the measured value at coil temperature of
20°C
68°F.
Please compensate the coil resistance by
±0.4%,
each time the coil
temperature changes by
±1°C.
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
HG
DIMENSIONS
HG2 (2 Form C)
7
.276
20.5 16
.807
.630
15
.591
34
1.339
8.4
.331
2.5 DIA. 9 DEEP HOLE for
3 DIA. TAPPING SCREW
.098 DIA. .354 DEPTH
mm
inch
HG3 (3 Form C)
7
.276
20.5 16
.807
2.5 DIA. 8 DEEP HOLE for
3 DIA. TAPPING SCREW
.098 DIA. .315 DEPTH
.630
17
.669
50
1.969
2.5 DIA. 8 DEEP HOLE for
3 DIA. TAPPING SCREW
.098 DIA. .354 DEPTH
8.4 8.4
.331 .331
2.5 DIA. 9 DEEP HOLE for
3 DIA. TAPPING SCREW
.098 DIA. .354 DEPTH
HG4 (4 Form C)
7
.276
20.5 16
.807
.630
34
1.339
68
2.667
8.4
.331
8.4
.331
2.5 DIA. 9 DEEP HOLE for
3 DIA. TAPPING SCREW
.098 DIA. .354 DEPTH
2.5 DIA. 8 DEEP HOLE for
3 DIA. TAPPING SCREW
.098 DIA. .315 DEPTH
36
1.417
36
1.417
36
1.417
56
2.205
56
2.205
56
2.205
8.5
.335
AMP SERIES
FASTON 250
CONNECTORS
CAN BE USED
8.5
.335
AMP SERIES
FASTON 250
CONNECTORS
CAN BE USED
8.5
.335
AMP SERIES
FASTON 250
CONNECTORS
CAN BE USED
Schematic (Bottom view)
7
.276
10.5
.413
7.5
.295
7.26
.286
17
.669
7
.276
10.5
.413
7.5
.295
7.26
.286
17 17
.669 .669
Schematic (Bottom view)
7
.276
10.5
.413
7.5
.295
7.26
.286
17 17 17
.669 .669 .669
Schematic (Bottom view)
General tolerance:
±0.5
±.020
ACCESSORIES
Please refer to “MOUNTING METHOD” for further information.
HG
Relay
Screw terminal socket
for DIN rail assembly
(with hold-down clip)
HG2-SFD
Solder terminal socket
for rectangular hole
(with hold-down clip)
HG2-SS
Bracket for direct mounting
HP-BRACKET
HG2
(2 Form C)
1 pc.
HG3-SFD
HG3-SS
HP-BRACKET
HG3
(3 Form C)
2 pcs.
HG4-SS
HP-BRACKET
HG4
(4 Form C)
No screw terminal socket for
HG4 use 2 screw terminal
sockets (HG2-SFD)
2 pcs.
Note: Tapping-screw holes are provided on the cover top for direct mounting.
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
HG
MOUNTING METHOD AND DIMENSIONS
Screw terminal socket (Hold-down clips included)
HG2-SFD
HG3-SFD
mm
inch
10
±0.6
.394
±.024
21
±0.6
.827
±.024
Installation screw block
(installation screw, hexagonal nut, spring washer)
Lot No.
HOLD DOWN
CLIP
4.5
±0.3
.177
±.012
6
±0.3
.236
±.012
26
±0.6
1.024
±.024
17
±0.2
.669
±.008
10
±0.6
.394
±.024
21
±0.6
.827
±.024
43
±0.6
1.693
±.024
Installation screw block
±0.2
±0.2
(installation screw, hexagonal nut, spring washer) 17
±.008
17
±.008
.669
.669
±0.3
4.5
HOLD
.177
±.012
DOWN
6
±0.3
Lot No.
.236
±.012
CLIP
10.44
±0.2
.411
±.008
±0.2
7.56
.298
±.008
80
3.150
±1
±.039
35.4
±0.5
1.394
±.020
58
±1
2.283
±.039
7.56
±0.2
.298
±.008
10.44
±0.2
.411
±.008
69
±1
±.039
2.717
7.26
±0.2
.286
±.008
0.56
±0.15
.022
±.006
80
±1
3.150
±.039
35.4
1.394
±0.5
±.020
58
±1
2.283
±.039
±1
69
2.717
±.039
HG2 RELAY
34.5
±0.6
1.358
±.024
36
±0.6
1.417
±.024
26
±0.2
10
26
±0.2
1.024
±.008
.394 1.024
±.008
2
1
7
8
HG3 RELAY
34.5
±0.6
1.358
±.024
36
±0.6
1.417
±.024
10
43
±0.2
43
±0.2
.394
1.693
±.008
1.693
±.008
1
0.56
±0.15
.022
±.006
7.26
±0.2
.286
±.008
2
3
12
11
10
69
±0.5
2.717
±.020
80
3.150
3
6
34 2
.079
34
1.339
1.339
2-M4 (4.2
±0.1
)
Note: Hold down clip
and installation
screw block are
included in
package.
69
±0.5
2.717
±.020
80
3.150
4
6
9
4
5
51
2.008
2
.079
51
2.008
2-M4 (4.2
±0.1
)
Note: Hold down
clip and
installation
screw
block are
included in
package.
5
7
8
Panel hole dimensions for side-by-side installation
Panel hole dimensions for side-by-side installation
Solder terminal socket (Hold-down clips included)
HG2-SS
HG3-SS
HG4-SS
4.2
±0.3
.165
±.012
22
.866
6.2
.244
±0.3
±.012
17
±0.1
.669
±.004
6
.236
±0.3
±.012
4.2
±0.3
.165
±.012
28
1.102
6.2
.244
±0.3
±.012
17
±0.1
.669
±.004
6
.236
±0.3
±.012
4.2
±0.3
.165
±.012
45
1.772
6.2
.244
±0.3
±.012
17
.669
6
.236
48
1.890
40.5
59
±1
1.594 2.323
±.039
36.5
1.437
48
1.890
40.5
59
±1
1.594 2.323
±.039
36.5
1.437
48
1.890
40.5
59
1.594 2.323
36.5
1.437
17
±0.1
.669
±.004
22
.866
34
1.339
6
±0.3
.236
±.012
14.5
.571
approx. 23.5
.925
28
1.102
34
1.339
51
±1
2.008
±.039
6
±0.3
.236
±.012
14.5
.571
approx. 23.5
.925
17
±0.1
.669
±.004
45
1.772
51
2.008
68
±1
2.677
±.039
6
.236
14.5
.571
approx. 23.5
.925
30.5
1.201
31.5±0.5
1.240±.020
47
1.850
48±0.5
1.890±.020
64.5
±1
2.539
±.039
65.5±0.5
2.579±.020
37.5
±0.5
1.476
48±0.5
±.020
1.890±.020
37.5±0.5
1.476
±.020
48±0.5
1.890
±.020
4.2 DIA. HOLE or
4 mm SCREW HOLE
.165 DIA. HOLE
37.5±0.5 48±0.5
1.476
1.890
±.020
±.020
4.2 DIA. HOLE or
4 mm SCREW HOLE
.165 DIA. HOLE
Note: HG sockets accept Faston 250.
General tolerance:
±0.6
±.024
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
4.2 DIA. HOLE or
4 mm SCREW HOLE
.165 DIA. HOLE
HG
Direct mounting
Faston 250 series quick-connectors
can be used.
Direct mounting with HP-BRACKET
Faston 250 series quick-connectors can be used.
8
.315
3 mm DIA. TAPPING SCREW
23
.906
2
.079
8.5
1
.335 .039
3 DIA. HOLE
.118 DIA.
14
.551
4
.158
90°±3
14
.551
20
.787
3.5 DIA. HOLE
.138 DIA.
3 DIA. TAPPING SCREW
.118 DIA.
3.5 DIA. HOLE
.138 DIA.
Use two brackets for HG3 and HG4
Notes:
1. This bracket is unavailable for UL, CSA and VDE applications.
2. When using any other non-standard bracket mounting-screw length should not exceed bracket
thickness plus 7 mm
.276 inch
to avoid damage to relay coils.
A
A: HG 2: 15mm
.591
HG 3: 17mm
.669
HG 4: 34mm
1.339
Socket Combinations
NOTES
Please use the hold-down clip whenever
HG relays will be used in applications
where strong vibrating or shock force
occurs. When used in such applications,
mount the relay so that this force does
not parallel the direction of contact
movement.
For Cautions for Use, see Relay Technical Information
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
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