HG
20 AMP POWER RELAY
HG RELAYS
36
1.417
FEATURES
a
•
Large capacity — 20 A 250 V AC resistive and 1.5 kW 3 phase
220 V AC motor loads
56
2.205
a
• High contact reliability after long use
HG2
HG3
HG4
34.0 1.339
50.0 1.969
68.0 2.667
• Usable with direct soldering,
quick-connect and plug-in terminals. (.250)
mm inch
SPECIFICATIONS
Contacts
Characteristics (at 60 Hz, 20°C 68°F)
Maximum operating speed
Arrangement
2 Form C, 3 Form C, 4 Form C
20 cpm
Initial contact resistance, max.
(By voltage drop 6 V DC 1A)
Initial insulation resistance*1
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
15 mΩ
Between open contacts
Initial
Contact material
Silver alloy
breakdown
Between contacts sets
Between contacts and coil
Nominal switching capacity
Min. switching capacity#1
20 A 250 V AC (resistive)
100 mA, 5 V DC
voltage*2
2 Form C type
3 Form C &
4 Form C type
2 Form C type
3 Form C &
4 Form C type
Operate time*3 (approx.)
(at nominal voltage)
Max. 40 ms
Max. 30 ms
Max. 40 ms
Expected life (min. operations)
Mechanical (at 180 cpm)
AC type: 107, DC type: 106
Release time
(without diode)*3 (approx.)
(at nominal voltage)
Life curve for AC types
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
Functional*4
Destructive*5
Functional*6
Mechanical life : 107
Operating frequency:
180 op./min.
Shock resistance
1,000
900
800
700
600
500
400
300
200
100
0
Vibration resistance
10 to 55 Hz
at 2 mm double amplitude
Destructive
Conditions for operation,
transport and storage*7
Ambient
temp.
–50°C to +40°C
–58°F to +104°F
(Not freezing and condensing at
low temperature)
Humidity
5 to 85% R.H.
2 Form C type
3 Form C type
4 Form C type
Approx. 130 g 4.59 oz
Approx. 185 g 6.53 oz
Approx. 240 g 8.47 oz
Unit weight
5
10
15
20
Load current, A
*2 Detection current: 10 mA
*3 Excluding contact bounce time
#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.
*4 Half-wave pulse of sine wave: 11ms; detection time: 10µs
*5 Half-wave pulse of sine wave: 6ms
*6 Detection time: 10µs
Remarks
*7 Refer to 6. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as “Initial breakdown voltage” section
Electrical life with AC load
Expected life
(min. operations)
5×105
Expected life
(min. operations)
AC load
Voltage, V AC
Current, A
AC load
Lamp
Voltage, V AC
Capacity, kW
20
15
20
15
10
15
10
10
7.5
0.5
0.3
2×105
5×105
2×105
5×105
2×105
5×105
2×105
5×105
125
125
125
250
250
7.5×105
2×105
5×105
Resistive
(cos ϕ ] 1)
0.75
0.4
250
Single
7.5×105
2×105
0.75
0.4
phase
Motor
125
250
5×105
1.5
Inductive
(cos ϕ ] 0.4)
Three
phase
2×105
0.75
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
Voltage, V DC
Current, A
Expected life (min. operations)
24
125
24
15
0.8
10
5×105
5×105
5×105
5×105
Resistive
Inductive (L/R ] 7 ms)
125
0.4
Note: For DC inductive load, use of an arc extinguishing circuit is recommended.
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