HG
20 AMP POWER RELAY
36
1.417
a
HG RELAYS
FEATURES
56
2.205
HG2
HG3
HG4
mm inch
a
34.0 1.339
50.0 1.969
68.0 2.667
• 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
Characteristics (at 60 Hz, 20°C 68°F)
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
Expected life (min. operations)
Mechanical (at 180 cpm)
AC type: 107, DC type: 106
Life curve for AC types
4
Operations, ×10
900
Functional*4
Shock resistance
Mechanical life : 107
Operating frequency:
180 op./min.
1,000
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
Destructive*5
800
Functional*6
700
Vibration resistance
Destructive
600
500
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
400
300
100
0
25
200
125 V A
0
C cosϕ
VA
C co s
5
ϕ=1
10
=1
15
20
Load current, A
#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.
Remarks
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as “Initial breakdown voltage” section
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/s2 {10 G} (except for the
contact moving direction)
980 m/s2 {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
*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)
Inductive
(cos ϕ ] 0.4)
250
125
250
Current, A
20
15
20
15
10
15
10
10
7.5
Expected life
(min. operations)
5×105
7.5×105
2×105
5×105
7.5×105
2×105
5×105
2×105
5×105
AC load
Voltage, V AC
Lamp
125
Motor
Single
phase
Three
phase
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)
2×105
5×105
2×105
5×105
2×105
5×105
2×105
5×105
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
Note: For DC inductive load, use of an arc extinguishing circuit is recommended.
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
Expected life (min. operations)
5×105
5×105
5×105
5×105