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GR7 Temperature Switch
Brand: Delta MobreySpecifications
- Compact and rugged design
- Hermetically sealed switch UL and CSA listed
- ATEX - Flameproof CENELEC EEx d IIC option
- ATEX - Intrinsically Safe ATEX Ex ia IIC option
- Weatherproof IP66 / NEMA 4
- Stainless steel body option NEMA 4X rating
- Ranges available up to 350° C (660° F)
- 316 Stainless steel capillary and bulb
- Optional weatherproof, ATEX EEx e, ATEX Ex ia or ATEX - Flameproof EEx d IIC terminal enclosures
- Easy field adjustable
- Accuracy 1%
Specifications
Brand
Adjustment Type
- Field Adjustable Set Point
Ambient Temperature Range
- -40° to 80° C (-40° to 176° F)
Applications
- Chemical Industry
- OEM Applications
- Oil & Gas Applications
- Petrochemical
Approvals & Certifications
- UKAS
- ATEX Ex ia IIC, EEx d IIC
- BSI Kitemark
- CENELEC EEx d IIC
- CSA Class I, Grade A, B, C, D, Class II Groups E, F, G, Div. 1 & 2
- Ex II 2 G: II 1 GD
- IEC Ex
- ISO 9001
- NEC 500
- UL Class I, Grade A, B, C, D, Class II Groups E, F, G Div. 1 & 2
Bulb Material
- Sensing Bulb: 316 Stainless Steel
Cable Entry
- 1/2”-14 NPT
- M20 x 1.5
Cable Length
- Factory Sealed Flying Lead: 18” (0.45 Meter) with 1/2”-14 NPT External Conduit
Capillary Length
- 6 feet (1.82 metres)
Capillary Material
- 316 Stainless Steel
Conduit Connection
- 1/2”-14 Male NPT
Electrical - Free Leads
- Factory Sealed Flying Leads: 18 AWG, 1.19 mm²
- Terminal Enclosure: 14 AWG, 2.5 mm² Non-Pinching, Clamped
Electrical Contacts
- Gold Alloy
- Silver
- Silver Contact with Gold Flash
Electrical Rating
- IEC 947-5-1 / EN 60947-5-1: 0.22 / 0.1 A at 125/250 Vdc
- IEC 947-5-1 / EN 60947-5-1: 0.3 A at 120 Vac
- IEC 947-5-1 / EN 60947-5-1: 0.6 / 0.3 A at 120/240 Vac
- UL & CSA: 1 A at 125 Vac
- UL & CSA: 1 A at 30 Vdc
- UL & CSA: 11 A at 110/250 Vac
- UL & CSA: 2 A at 30 Vdc
- UL & CSA: 5 A at 250 Vac
- UL & CSA: 5/0.5 A at 30/125 Vdc
Enclosure Finish
- Epoxy Paint for Aluminum Enclosure
Enclosure, Body Material
- Aluminum
- Weatherproof & Exn: Austenitic Stainless Steel
Environmental Protection
- Flameproof
- Intrinsically Safe
- IP65
- IP66
- NEMA 4
- NEMA 4X
- NEMA 7
- NEMA 9
- Weatherproof
Insertion 'U' Length
- 7.5” (190 mm)
Length
- Bulb: 2.95” (75 mm)
Materials of Construction
- Thermal System with Capillary: 300 Series Stainless Steel
Mounting
- 2” Pipe Mounting Bracket
- Direct Mounting, 1/2” NPT External to Rigid Stem
Name Plate, Tag Material
- Stainless Steel
NPT Connection
- 1/2”-14 Male NPT
Operating Pressure
- Maximum 140 bar (2,000 psi)
Operating Temperature
- 0° to 360° C (32° to 680° F) - Max.
Repeatability
- Set Point Repeatability: ± 1 % of Span at 20° C (68° F) Ambient
Sensor, Probe Length
- Probe: 9” (228 mm)
Sensor, Probe Material
- 316 Stainless Steel
Service
- Oxygen Service
Stem Length
- Rigid Stem: 8.5” (216 mm)
- Semi-Rigid Stem: 10 to 20” (250 to 500 mm)
Switch Type
- DPDT Hermetically Sealed & Snap-Action Microswitch
- SPDT Hermetically Sealed & Snap-Action Microswitch
Thermowell
- 316 Stainless Steel
Voltage
- Impulse Withstand Voltage Across Contacts: 500 V
- Impulse Withstand Voltage Across Contacts: 800 V
- Insulation Voltage for Flying Lead: 600 V
- Insulation Voltage: 125 V
- Insulation Voltage: 250 V
- Withstand Voltage: 1.5 kV between Live Parts & Ground
- Oil & Gas
- Chemical
- Petrochemical
- OEM
