Safety Switches
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Hazardous Location Switch 12 Series
Quantity
Specifications
| Resistance to vibration | Preloading of the electrical switch helps reduce contact chatter. |
|---|---|
| Small size | Belleville springs are simple in appearance| but can deliver a heavy load with a relatively small deflection| contributing to a compact design |
| Deadbands | The Belleville is a negative-rate snap acting device| so on-off deadband values are wider at the low end of the range. To minimize deadbands| select a model with a set point at the higher end of the range whenever possible |
| Set point stability | The switch performs under challenging environmental conditions such as vibration and temperature changes. In addition| minimal movement of components reduces sensor fatigue| thereby increasing life and accuracy. |
Key Features
- UL, cUL, ATEX and IECEx approved for Div. 1 or Zone 1 hazardous locations; CE compliant Dual seal compliant to ANSI/ISA 12.27.01 & NEC 501.17 Many models compliant to NACE MR0175.
- Snap-acting Belleville spring for long life, vibration resistance and stability Optional Hastelloy® and Monel® sensor material for corrosive media
Product Details
12 Series hazardous location switches are ideal for operation intough applications where space is at a premium. A snap-actionBelleville spring assembly is used in most models to provide vibrationresistance and prolonged switch life. The 316 stainless steel enclosureand hermetically sealed switch provide rugged protection from theenvironment. Approved for use in hazardous locations worldwide, the12 Series is installed within applications ranging from offshore oilrigs to rotating equipment, and more.Pressure, Vacuum, Differential Pressure and Temperature switches for Hazardous areaUL, cUL, ATEX and IECEx approvedSet Point: Temperature models: 1% of adjustable rangeEnclosure 316 Stainless SteelSwitch Output:Code S: One SPDT, hermetically sealedCode D: Two SPDT for DPDT action, hermetically sealed. Available for pressure models only
- Mounting bracket available for retrofit applications 72 leadwires 3-year warranty
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