- Switch adjustment ranges from vacuum through 4,600 psig depending on model
- Standard zinc-plated Steel with NBR diaphragm (< 225 psig); Steel piston with NBR seal (> 225 psig) wetted parts
- SPDT snap-action switch
- CE compliant to suppress RFI, EMI and ESD
- RoHS compliant
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| SERIES |
400V |
400 Vacuum Series |
400H |
400 High Pressure Series |
|
| 400L |
400 Low Pressure Series |
|
|
|
| SWITCH FUNCTION |
3 |
Single Pole Double Throw (SPDT) |
|
|
|
| PROCESS CONNECTION |
2 |
1/4" NPT male |
19 |
G 1/4 B female |
|
| 5 |
1/4" NPT female |
45 |
7/16-20 SAE Male, Non-Adjustable |
|
| 10 |
G 1/4B |
|
|
|
| 400V VACUUM PRESSURE SWITCH ADJUSTMENT RANGES (Max. working pressure) |
5/25-vac |
-5 inHg to -25 inHg (350 psig) |
|
|
|
| 400L LOW PRESSURE SWITCH ADJUSTMENT RANGES (Max. working pressure) |
3/30 |
3 psig to 30 psig (870 psig) |
15/230 |
15 psig to 230 psig (870 psig) |
|
| 7/120 |
7 psig to 120 psig (870 psig) |
|
|
|
| 400H HIGH PRESSURE SWITCH ADJUSTMENT RANGES (Max. working pressure) |
145/435 |
145 psig to 435 psig (5,000 psig) |
300/2900 |
145 psig to 2,320 psig (5,000 psig) |
|
| 145/1160 |
145 psig to 1,160 psig (5,000 psig) |
300/3600 |
300 psig to 2,900 psig (5,000 psig) |
|
| 145/1750 |
145 psig to 1,750 psig (5,000 psig) |
450/4600 |
300 psig to 3,600 psig (5,000 psig) |
|
| 145/2320 |
145 psig to 2,320 psig (5,000 psig) |
|
|
|
| ELECTRICAL CONNECTIONS† |
1 |
DIN EN 175301-803 Form A w/ 36” Cable |
25 |
M12 x 1 4-Pin* |
|
| 8 |
DIN EN 175301-803 Form A |
46 |
DIN EN 175301-803 Form A with LED Status Indicator |
| OPTIONS *** |
EP |
EPDM Diaphragm (-40/212 °F) |
VT |
FKM Diaphragm (0/212 °F) |
|
| HNBR |
Low Temp NBR (-40/176 °F) |
SP |
Factory Adjusted Switch Point |
|
Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.
* Available in adjustment ranges to 225 psig
† Other electrical connections available, consult factory
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the horizontal scroll bar at the bottom of this table to see all information.
| SPECIFICATIONS |
Switching parameters
Function
Contact rating
Repeatability
Hysteresis
Contact material
Frequency |
SPDT snap-action micro switch
6A @ 125/250 Vac
6A @ 12/24 Vdc
±2% of full scale of adjustment range
Diaphragm type, 1% to 11% of adjustment range full scale
Piston type, 2% to 8% of adjustment range full scale
Solid Silver, self-cleaning
Max. 200 cycles/min |
| Pressure ranges |
0 psig to 300 psig through 0 psig to 5,000 psig
Adjustment knob from 3 psig to 4,600 psig dependent on full scale range |
| Service life |
>1,000,000 load cycles |
| Temperature ranges |
Media -4 °F to 176 °F (-20 °C to 80 °C)
Ambient -4 °F to 176 °F (-20 °C to 80 °C)
Storage -13 °F to 185 °F (-25 °C to 85 °C) |
| Proof pressure |
300 psi or 5,000 psi depending on adjustment range |
| Measuring element |
NBR diaphragm ≤ 230 psig
Stainless Steel piston with NBR seal ≥ 500 psig
1/4″ NPT and 7/16-20 SAE zinc-plated Steel connections standard,
others available on request |
| Housing material |
Zinc die-cast |
| Environmental rating |
IP65 for DIN EN 175301-803 Form A
IP67 for M12 x 1 |
| Shock |
30 g’s according to IEC 60068-2-27 |
| Vibration |
10 g’s according to IEC 60068-2-6 |
| Weight |
Approximately 0.66 lb |
Convert to PT Series
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