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Proximity Sensors
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Proximity sensors to sense the relative position of specific machine elements requiring continuous monitoring
Proximity Sensors: offer a variety of ways to sense the relative position of specific machine elements requiring continuous monitoring
Drawing showing directions of use for proper actuation

P Series
Proximity Sensors

Madison Company's P Series proximity sensors use reed switch-based technology, which offers reliability of up to 5 million cycles. Offered in both plastic and metal housings, these proximity sensors are interchangeable with existing sensors of similar characteristics or can be designed specifically for individual application needs.

These noncontact sensors are available with single pole double throw switches (Form C), or Form A and B. They offer a variety of ways to sense the relative position of specific machine elements requiring continuous monitoring. Several different fabrication materials can be used. Materials are selected based on the application environment. The standard operating temperature range is from -40°C to 125°C (-40° to 257°F).

Sensors can be ordered in sets containing the sensor, the actuator and hardware, or the components can be ordered separately. These cost-effective sensors are offered in standard designs and engineered designs with various actuation points.

Features:
Fully potted switch and leads
High cycle rate capabilities
High-speed operation
Compact for limited-space applications
No moving parts, for longer life
Corrosion-resistant
Wide selection of materials
Engineered designs available
Specifications for Representative Standard Products:
P450 Series proximity switch standard dimensions P400 Series proximity switch standard dimensions P300 Series proximity switch standard dimensions
P450 Series P400 Series P300 Series
Wiring Chart
Common Black
NC Yellow
NO Green
Proximity Sensors P450 Series
PVC
P400 Series
Stainless Steel
P300 Series
Stainless Steel
Contact Form 1C 1C A (SPDT)
Maximum Voltage
(based on switch selection)
120 VDC; 120 VAC
120 VDC; 120 VAC
300 V
Maximum Switching Amps
3 A
3 A .5 A
Watts (max.) 100 W 100 W 50 W
Contact Resistance .5 Ohm max. .5 Ohm max. .1 Ohm max.
Breakdown Voltage 250 VDC 250 VDC 600 VDC
Operating Temperature 0°C to 60°C -40°C to 125°C -40°C to 125°C
"Must Operate" Distance .200" .200" .200"
"Must Release" Distance .700" .700" .600"
Standard Actuator Size 1.125" OD x .470" H 1.125" OD x .470" H .670" OD x .200" H
Operating Time 3 msec 3 msec .6 msec
Release Time 3 msec 3 msec .05 msec
Leads (standard) 24", 22 AWG Teflon® 24", 22 AWG Teflon® 24", 22 AWG Teflon®
All specifications are subject to change without notice.
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27 Business Park Dr., Branford, CT 06405 | 203-488-4477 | Fax: 203-481-5036
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