
About
- 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
- RoHS compliant
Featured Specifications
Switching Function
SPDT
Switch Adjustable Range
145 to 1,160 psig
Electrical Connection
DIN EN 175301-803 Form A
Process Connection
1/4" NPT Male
Documents
Product Specifications|Switching Parameters|Temperature Ranges|Applications|Limitations Which Apply Are|Options and Accessories|Prop 65 Warnings
Product Specifications
▲| Type | Mechanical Switch |
| Series | 400 |
| Switching Function | SPDT |
| Switch Adjustable Range | 145 to 1,160 psig |
| Electrical Connection | DIN EN 175301-803 Form A |
| Process Connection | 1/4" NPT Male |
| Weight | 0.66 lb |
| Housing material | Zinc Die-Cast |
| Environmental Rating | IP65 - DIN EN 175301-803 Form A |
| Switch Point | Field Adjustable and/or Factory Set |
| Hysteresis | Piston Type, 2% to 8% of Adjustment Range Full Scale |
| Service Life | < 1,000,000 Load Cycles |
| Proof Pressure | 300 to 5,000 psig |
| Measuring Element | Nitrile Rubber (NBR) diaphragm ≤ 230 psig Stainless steel piston with Nitrile Rubber (NBR) seal ≥ 500 psig 1/4" NPT and 7/16-20 SAE zinc-plated steel connections standard, others available on request |
| Shock According to International Electrotechnical Commission (IEC) 60068-2-27 | 30 g |
| Vibration According to International Electrotechnical Commission (IEC) 60068-2-6 | 10 g |
| Warranty | 1 yr |
| Electromagnetic Rating | European Conformity (CE) Compliant to European Standard (EN) 73/23/EWG Radio Frequency Interference (RFI), Electromagnetic Interference (EMI) and Electrostatic Discharge (ESD) Protection |
| Conatct Rating |
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| Process Connection Size | 1/4 in |
Switching Parameters
▲| Switching Number | 1 |
| Non-Repeatability | ±2% of Full Scale of Adjustment Range |
| Contact Material | Solid Silver, Self-Cleaning |
Temperature Ranges
▲| Media Temperature Range ºF | -4 to 176 ºF |
| Media Temperature Range ºC | -20 to 80 ºC |
| Ambient Temperature Range ºF | -4 to 176 ºF |
| Ambient Temperature Range ºC | -20 to 80 ºC |
Applications
▲| Applications |
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Limitations Which Apply Are
▲| Limitations Which Apply Are | These units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation. Gauge failures determined to be caused by over-range, incompatibility with environment or product media and abuse will not be considered under this warranty. NOSHOK, Inc. will, at its discretion, repair or replace the working parts of the damaged gauge without cost to the customer. In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice. |
Options and Accessories
▲| Distribution Manifolds | NOSHOK's Distribution Manifolds connect multiple instruments to one diaphragm seal, eliminating multiple connections that lead to possible leak paths. |
| Mechanical Switches Options & Accessories | Factory Adjusted Switch Point (Specify) |
| Pressure Snubbers - Piston Type |
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| Pressure Snubbers - Sintered Type |
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| Steam Syphons |
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| Swivel Adapters |
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Prop 65 Warnings
▲| Prop 65 Warnings | ⚠️ WARNING: This product can expose you to chemicals including Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov |
Applications
▲| Application |
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