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Table 2
HE700 Series Recognised File #E47258
Electrical and Operating Characteristics @ 25 ? C.
Column Number
Contact Type
Relay Types
1
Form A
SPST, DPST
Standard
HE721,HE722
2
Form C
SPDT-CO
Standard
HE721C, E, R
3
Form A
SPST
High Voltage
HE751
4
Form B
SPST-NC
Standard
HE721
CONTACT RATINGS
Contact Hamlin for
specific load/life details
VOLTAGE HOLD-OFF
RESISTANCE
TIMING
ENVIRONMENTAL
Power, Switching
Voltage, Switching
Current, Switching
Current, Carry
Across Open Contacts
Contacts to Coil
Coil to E. Shield
Between Isolated Terminals
Contact, Initial
Insulation Across Contacts
Insulation Between Isolated Terminals
Operate Time
Release Time
Temperature, Operating
Temperature, Storage
Vibration Resistance
Shock Resistance
Watt - max.
Vdc - max.
A - max.
A - max.
Vdc - min.
Vac - min.
Vac - min.
Vac - min.
Ω?-?max.
Ω?-?min.
Ω?-?min.
ms - max.
ms - max.
°C
°C
G - max. 10-2000 Hz.
G - max. 11 ms ? sine
10
200
0.5
1.2
250
500
150
500
0.150
101o
101o
1.0
1.0
-40 to +85
-40 to +105
20
50
5
175
0.25
1.5
200
500
150
N/A
0.200
101o
101o
3.0
3.0
-40 to +85
-40 to +105
20
50
10
300
0.5
1.2
450
4000
N/A
N/A
0.150
101o
101o
1.0
1.0
-20 to +85
-40 to +105
20
50
10
200
0.5
1.2
250
500
N/A
N/A
0.150
101o
101o
1.0
1.0
-40 to +85
-40 to +105
20
50
Table 3
HE700 Series Miniature Relay
Coil?Characteristics?@?25?C.
Contact
Form
Electrical &
Operating
Dimensions
Part
Number
Nominal
Coil Voltage
Coil Must
Resistance Operate
Must
Release
Maximum
Coil Voltage
Top View 2,54 mm, 0.1 in. Grid
Dot on Case: Pin 1
Characteristics
Vdc
± 10% Ohms Vdc
Vdc
Vdc
Numbers not printed on case.
1A
HE721A0500
5
500
3.75
0.5
12
SPST-NO
See Table 2
Column 1
Figure 1
HE721A1200
12
1000
8.0
1.0
31
HE721A2400
24
2150
16.0
2.0
46
See Note 1, 2
1B
HE721B0500
5
500
3.75
0.5
6.5
SPST-NC
See Table 2
Column 4
Figure 1
HE721B1200
12
500
9.0
1.0
14
HE721B2400
24
2150
18.0
2.0
28
1C
HE721C0500
5
200
3.75
0.5
14
SPDT-CO
See Table 2
Column 2
Figure 1
HE721C1200
12
500
8.0
1.0
22
HE721C2400
24
2000
16.0
2.0
44
1C
HE721E0500
5
200
3.75
0.5
14
SPDT-CO
See Table 2
Column 2
Figure 1
HE721E1200
12
500
8.0
1.0
22
HE721E2400
24
2000
16.0
2.0
44
1C
HE721R0500
5
200
3.75
0.5
14
SPDT-CO
See Table 2
Column 2
Figure 1
HE721R1200
12
500
8.0
1.0
22
HE721R2400
24
2000
16.0
2.0
44
2A
HE722A0500
5
200
3.75
0.5
12
DPST-NO
See Table 2
Column 1
Figure 1
HE722A1200
12
500
8.0
1.0
22
HE722A2400
24
2150
16.0
2.0
46
1A
HE751A0500
5
500
3.75
0.5
12
SPST-NO
High Voltage
See Table 2
C olumn 3
Figure 2
HE751A1200
HE751A2400
24
12
1000
2150
8.0
16.0
1.0
2.0
46
31
Notes:
1) HE721B - Exceeding recommended voltage may cause contact reclosure.
2) Optional external magnetic shield not available on Form B relays.
Hamlin USA
Hamlin Europe
Hamlin China
Tel: +1 920 648 3000 ? Fax: +1 920 648 3001 ? Email: sales.us@hamlin.com
Tel: +44 (0)1603 257700 ? Fax: +44 (0)1603 257702 ? Email: sales.uk@hamlin.com
Tel: +86 (0) 512 69365 800 ? Fax: +86 (0) 512 69365 811 ? Email: sales.cn@hamlin.com
DRGNo: HE700 REV : AA Date: 7/02/12 DCR: B8832
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