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Multipoint 多点物位开关的详细资料

Multipoint 多点物位开关

Overview

The Multipoint II provides up to 3 switch points on one vertically mounted sensing element. The Multipoint can be used to provide high level， high high level， and low level control points. The Multipoint II also provides an adjustable differential feature for one of the control points for pump on/pump off control making it ideal for sump level control.Multipoint 多点物位开关

SPECS

Power Requirements
95-145 Vac 50/60Hz 1 watt or
205-255 Vac 50/60Hz 1 watt.

Level Output
(3) DPDT relays：one with 0-90 second adjustable time delay， one on/off， one with adjustable differential*
*Adjustable differential can be selected as a locked band.The differential remains the same， even if the setpoints are moved 

Contact Ratings
120 Vac; 5A non-inductive， 3A inductive. Min. Rating 100mA/12VDC

Operating Temperature (Electronics)
-40°F to 140°F  (-40°C to 60°C) 

Operating Point Range 
0-200 ft (depending on sensing elements) Range selection： Four-position adjustable switch.

RFI Protection
(Built-in) Less than 1/2 inch shift in operating point for unit in explosion-proof housing， 5W field @ 27， 150， or 450MHz at a distance of 5 feet (1.5m) from exposed cable， or power line

Fail-Safe
Switchable to either Low-Level Fail-Safe (LLFS) or High-Level Fail-Safe (HLFS)

Connecting Cable
(Remote units only) Three-terminal coaxial up to 150 feet (45.7m)

Housing
5-inch integral explosion-proof standard. 5-inch remote explosion-proof or Nema 4X remote housings optional

Sensing Element and Cable
Designed to be intrinsically safe for Class I Groups A，B，C，D and Class II Groups E，F，G (Div. 1 and 2). Unit is mounted in FM approved explosion proof housing

Approvals
Consult factory

Other Options
DrexelcoteTM corrosion-resistant condulet/housing

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