Edwards Signaling 181 GuardSwitch Catalog Page

Non-Contact Interlock/Position

4.70''

11.94cm

3.98''

10.11cm

0.36''

0.91cm

1.08''

2.74cm

0.54''

1.37cm

1.51''

3.84cm

0.19''

0.48cm

4.70''

11.94cm

0.73''

1.85cm

3.69''

9.37cm

0.29''

0.74cm

0.29''

0.74cm

1.60''

4.06cm

0.29''

0.74cm

1.56''

3.96cm

0.65''

1.65cm

1/2'' NTP

0.19''

0.48cm

1.31''

3.33cm

sensing face

sensing face

Switch

181 GuardSwitch

Applications

• Requiring Conduit Connection

• Non-wash Down Environment

• Heavy-duty Housing

General Specifications

Enclosure Coated aluminum
Temperature Range -40°F to 180°F (-40°C to 80°C)
Environmental Hermetically Sealed Contact Switch

NEMA Rating 1, 2, 5
Protection Class IP 64
Response Time 1 msec; 10 msec (150VA)
Life Cycles

Conduit Connection 1/2" Threaded NPT

Encapsulated in Polyurethane

100,000 Under Full Load;
Up to 200,000,000 Under Dry Circuit

100 SERIES

INTERLOCK SWITCH

56

Actuator

Switch

Order Information Electrical Specifications

Part Number
Config. AC DC AC DC AC DC Resistance Nominal Nominal Type

Contact

181-7Z N.

Warning— Each electrical rating is an individual maximum and cannot be exceeded!

1

Configuration with actuator away from the switch

2

Proximity of ferrous materials usually reduces sense range — typically by 50%. The shape and type of material cause a wide diversity of effects.

Testing is required to determine actual sense range for specific applications.z

1

Load Rating Switching Voltage, Max. Switching Current, Max. Contact Sense Range2 Break Range Terminal

O. 100VA 84W 120V(@0.8A) 28V(@3.0A) 3.0A (@34V)3 3.0A (@28V)3 1.0 Ohms 1.4" (3.5cm) 1.8" (4.6cm) #6 Screw