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GO® Switch Model 81 offers end sensing and the optional worlds’s only Double Pole Double Throw contact arrangement.

FEATURES:
° SPDT or DPDT Contacts Rated 10amp/120vac, 3amp/24vdc
° End Sensing
° Brass or Stainless Enclosures
° Inherently Intrinsically Safe
° -40° to 105°C (-40° to 221°F) Operating Temperature

OPTIONS:
° Zone 0, 1, or 2 Hazardous Areas
° 176°C (350°F) High Temperature
° Quick Disconnect Connectors
° Underwater Capabilities



With its brass or stainless steel housings and global certifications, it is a popular choice around the world.

If you do not see the Topworx Go Switch you are looking for. Please contact the Forberg Scientific Mechanical Sales Team for pricing and availability.
Phone: 248-288-5330
Email: mechanicalsales@forberg.com













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Item IDDescriptionQuantity
81-20528-DCG
1 1/2" X4 7/8",5PIN,DPDT
81-20548-4DD
DPDT,UL GP,4 PIN SUBSEA CONN
81-20128-A100
GO 1-1/2" SQUARE X 4-3/8"GO-SWITCH #81-20128-A100 1-1/2" SQUARE X 4-3/8" SUBTRACT 1/2" FROM LENGTH FOR SIDE CONDUIT. DPDT APPROX. 1/4" END SENSING OUTLET POSITION: SIDE OUTLET STAINLESS STEEL, UL LISTED GENERAL PURPOSE LEAD WIRE: 18 GAUGE - 100 FT
81-20528-A70
GO SWITCH
81-20518-A15
GO SWITCH, DUAL PROXIMITY,15'
81-10528-DCG
GO,SWITCH,SERIES 80,SPD,5PIN
81-20516-A20
GO-SWITCH80 SERIES,DPDT, CSA, 20' LEAD
81-10541-00
SPDT,NO APPR,TERM BLOCK
81-20116-A2
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-3/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Behind Sensing CONN: 1/2" NPT Conduit WIRING OPTION: 36" PVC Insulated 18 Gauge Lead Wires
81-20116-A3
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-3/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Behind Sensing CONN: 1/2" NPT Conduit WIRING OPTION: 72" PVC Insulated 18 Gauge Lead Wires
81-20118-A2
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-3/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Behind Sensing CONN: 1/2" NPT Conduit WIRING OPTION: 36" PVC Insulated 18 Gauge Lead Wires
81-20516-A2
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-7/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Bottom CONN: 1/2" NPT Conduit WIRING OPTION: 36" PVC Insulated 18 Gauge Lead Wires
81-20516-A3
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-7/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Bottom CONN: 1/2" NPT Conduit WIRING OPTION: 72" PVC Insulated 18 Gauge Lead Wires
81-20516-A4
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-7/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Bottom CONN: 1/2" NPT Conduit WIRING OPTION: 144" PVC Insulated 18 Gauge Lead Wires
81-20518-A2
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-7/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Bottom CONN: 1/2" NPT Conduit WIRING OPTION: 36" PVC Insulated 18 Gauge Lead Wires
81-20518-A3
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-7/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Bottom CONN: 1/2" NPT Conduit WIRING OPTION: 72" PVC Insulated 18 Gauge Lead Wires
81-20518-DCH
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-7/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Bottom CONN: 1/2" NPT Conduit WIRING OPTION: 7 Pin Quick Disconnect Mini Change Connector
81-20538-A2
Topworx GO-Switch 81 Brass Square DPDTMODEL: 81 ENCLOSURE: Brass w/Corrosion Resistant Coating SIZE: 1-1/2" Square x 4-7/8" Length CONTACT: DPDT SENSING: Approx 1/4" End Sensing OUTLET: Bottom CONN: 1/2" NPT Conduit WIRING OPTION: 36" PVC Insulated 18 Gauge Lead Wires
81-10116-A2
Topworx GO-Switch 81 Brass Square SPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-3/8" Length CONTACT: SPDT SENSING: Approx 1/4" End Sensing OUTLET: Behind Sensing CONN: 1/2" NPT Conduit WIRING OPTION: 36" PVC Insulated 18 Gauge Lead Wires
81-10516-A2
Topworx GO-Switch 81 Brass Square SPDTMODEL: 81 ENCLOSURE: Brass w/Flat Black Lacquer Coating SIZE: 1-1/2" Square x 4-7/8" Length CONTACT: SPDT SENSING: Approx 1/4" End Sensing OUTLET: Bottom CONN: 1/2" NPT Conduit WIRING OPTION: 36" PVC Insulated 18 Gauge Lead Wires
 
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