422
HG-RELAYS
20 AMP POWER RELAY
36
1.417
56
2.205
a
mm inch
a
HG2 34.0 1.339
HG3 50.0 1.969
HG4 68.0 2.667
FEATURES
•
Large capacity — 20 A 250 V A C 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
Expected life (min. operations)
Life curve for AC types
Characteristics (at 60 Hz, 20 ° C 68 ° F)
Arrangement 2 Form C, 3 Form C, 4 Form C
Initial contact resistance, max.
(By voltage drop 6 V DC 1A)
15 m
Ω
Contact material Silver alloy
Nominal switching capacity 20 A 250 V AC (resistive)
Mechanical (at 180 cpm) AC type: 10
7
, DC type: 10
6
5101520
0
100
200
300
400
500
600
700
800
900
1,000
Load current, A
Operations, ×10
4
125 V AC cosϕ = 1
2
5
0
V
A
C
c
o
s
ϕ
=
1
Mechanical life : 10
7
Operating frequency:
180 op./min.
Maximum operating speed 20 cpm
Initial insulation resistance*
1
Min. 100 M Ω at 500 V DC
Initial
breakdown
voltage*
2
Between open contacts 2,000 Vrms for 1 min.
Between contacts sets 2,000 Vrms for 1 min.
Between contacts and coil 2,000 Vrms for 1 min.
Operate time*
3
(approx.)
(at nominal voltage)
2 Form C type 15 ms
3 Form C &
4 Form C type
25 ms
Release time
(without diode)*
3
(approx.)
(at nominal voltage)
2 Form C type 15 ms
3 Form C &
4 Form C type
25 ms
Shock resistance
Functional*
4
98 m/s
2
{10 G} (except for the
contact moving direction)
Destructive*
5
980 m/s
2
{100 G}
Vibration resistance
Functional*
6
58.8 m/s
2
{6 G}, 10 to 55 Hz
at 1 mm double amplitude
Destructive
117.6 m/s
2
{12 G}, 10 to 55 Hz
at 2 mm double amplitude
Conditions for operation,
transport and storage*
7
(Not freezing and condensing
at low temperature)
Ambient
temp.
–50
°
C to +40 ° C
–58
°
F to +104 ° F
Humidity 5 to 85% R.H.
Unit weight
2 Form C type Approx. 130 g 4.59 oz
3 Form C type Approx. 185 g 6.53 oz
4 Form C type Approx. 240 g 8.47 oz
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: 10 µ s
*
5
Half-wave pulse of sine wave: 6ms
*
6
Detection time: 10 µ s
*
7
Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
Electrical life with AC load
Note: In case of an electromagnet or exiting coil load (solenoid, etc.), the value of the motor or lamp load is applicable.
AC load Voltage, V AC Current, A
Expected life
(min. operations)
Resistive
(cos
ϕ
]
1)
125
20 5
×
10
5
15 7.5 × 10
5
250
20 2
×
10
5
15 5 × 10
5
10 7.5 × 10
5
Inductive
(cos
ϕ
]
0.4)
125
15 2
×
10
5
10 5 × 10
5
250
10 2
×
10
5
7.5 5 × 10
5
AC load Voltage, V AC Capacity, kW
Expected life
(min. operations)
Lamp 125
0.5 2
×
10
5
0.3 5 × 10
5
Motor
Single
phase
125
0.75 2
×
10
5
0.4 5 × 10
5
250
0.75 2
×
10
5
0.4 5 × 10
5
Three
phase
250
1.5 2
×
10
5
0.75 5 × 10
5
Electrical life with DC load
Note: For DC inductive load, use of an arc extinguishing circuit is recommended.
DC load Voltage, V DC Current, A Expected life (min. operations)
Resistive
24 15 5
×
10
5
125 0.8 5 × 10
5
Inductive (L/R
]
7 ms)
24 10 5
×
10
5
125 0.4 5 × 10
5