6742-30 HERGA, 6742-30 Datasheet - Page 10

• Manufacturer Part Number: 6742-30
• Description: PRESSURE SWITCH
• Manufacturer: HERGA

Specifications of 6742-30

• Connection Size: 0.125"
• Contact Configuration: DPCO
• Contact Current Ac Max: 21A
• Contact Voltage Ac Max: 250V
• External Depth: 43mm
• External Diameter: 43mm
• External Length / Height: 58mm
• External Width: 40mm

6731 / 6732 ~ Low Pressure Switches
Note: Dry Switching
If switching low power circuits, low current (4 to 100 milliamperes) and low voltage (below 30V), consult herga for special switches.
NB - Herga do not accept liability for any pressure operated device used outside the pressure range specified by the company.
1999
As a consequence of our policy of continual improvement, we reserve the right to change without notice any detail in this publication. Please see our Conditions of Sale.
Model No
Electrical Switch
Contact Rating
Pressure
Connection
Setting Accuracy
Withstand
Pressure
Body Material
Diaphragm
Spring
Weight
Average Life
Electrical Rating
Switch Standards:
Approvals Available
Expectancy
DC
AC
Pressure Switches
Benefits
These switches have been designed primarily for the
OEM manufacturer who requires low cost and high
reliability
UL recognised versions available
Mechanical
Single Pole
change over
3(1)A 250V ac
Side entry spout
4mm O/D
± 10% as std
25 PSI
Nylon 12
Neoprene
Spring steel
50gm
Electrical
Voltage
6731-03
125V
250V
220V
110V
12V
24V
60V
6V
FOR FURTHER INFORMATION TEL: [phone] FAX: [phone]
EN 60730, EN 61058 and UL 508
CE, BEAB, CSA, DEMCO, IMQ, KEMA, NEMCO, OVE, SEMCO, SET I, SEV, UL, VDE. Approved to BS 3955 part III
Resistive
Single Pole
change over
10(3)A 250V ac
Side entry spout
4mm O/D
± 10% as std
25 PSI
Nylon 12
Neoprene
Spring steel
50gm
0.5A
0.25
Max Electrical Load
3A
3A
3A
3A
1A
1A
6731-06
0.2 x 10
6731-03
2 x 10
6
@ 1A
6
Inductive
0.5A
0.5A
0.2A
0.1A
Single Pole
change over
21(8)A 250V ac
Side entry spout
4mm O/D
± 10% as std
25 PSI
Nylon 12
Neoprene
Spring steel
50gm
1A
1A
1A
1A
6731-10
Resistive
0.25A
0.5A
10A
10A
10A
5A
5A
1A
0.2 x 10
Special options are available for quantity orders
Max Electrical Load
Model No
Switches set to specific operating pressure, rising or falling
Diaphragms in silicon rubber, nitrile, EPDM
Switches with wide or close differentials
Springs in stainless steel
6731-03
6731-06
6731-10
6
@ 6A
Inductive
6731-06
2 x 10
The switches have excellent repeat accuracy
Double pole switching available upon request
Wide choice of microswitch options including tab
configurations
0.5A
0.2A
0.1A
10A
10A
10A
3A
3A
6
50K @ 10A
Motor (Pf0.75)
Inches Water
0.5HP
0.5HP
20 - 55
1.5 - 7
5 - 25
Pressure Range
Resistive
0.25A
0.5A
21A
21A
21A
15A
0.2 x 10
8A
1A
mm Water
510 - 1400
127 - 635
40 - 180
Max Electrical Load
6
@ 10A
Inductive
1.0 x 10
6731-10
0.5A
0.2A
0.1A
15A
15A
21A
15A
7A
See chart 1
See chart 1
See chart 1
Differential
6
10K @ 21A
(Fixed)
Motor (Pf0.75)
ISSUE 01
1HP
2HP