Edwards Signaling 391 GuardSwitch, 393 GuardSwitch Catalog Page

Interlock Switch

4.22''

10.72cm

3.12''

7.92cm

0.55''

1.40cm

0.11''

0.28cm

1.28''

3.25cm

0.17''

0.43cm

0.22''

0.56cm dia.

0.24''

0.61cm

3.75''

9.53cm

0.05''

0.13cm

0.80''

2.03cm

sensing face

sensing face

391 & 393 GuardSwitch

Applications

• USDA Approved Housing • Requiring Highly Defeat

• Food Processing Machines Resistant Switches

• Rugged, Seamless SS Housing • Wash-down and Corrosive
Environments

General Specifications

Enclosure 304 Seamless Stainless Steel
Temperature Range -40°F to 180°F (-40°C to 80°C)
Environmental Hermetically Sealed Contact Switch

Response Time 1 msec (5.4VA); 10 msec (150VA)
NEMA Rating 1, 2, 3, 4, 4X, 5, 6, 12, 12X
Protection Class IP 67
Life Cycles

Lead Types/O.D. SJTOW (K)/18/2, 0.30" (0.76cm)
UL/CSA

Encapsulated in Polyurethane

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

All Models

Actuator

Switch

File E 122942 LR89176

Order Info. Electrical Specifications

Contact2 Load Rating Switching Voltage, Max. Switching Current, Max. Contact Sense Range3 Break Range Lead

1

Part No.

Config. AC DC AC DC AC DC Resistance Max. Min. Length

391-CT-06K N.O. 2.5VA 2.5W 30V(
391-CT-12K N.O. 2.5VA 2.5W 30V(

(3.6m)
391-DT-06K
391-DT-12K

5

N.O. 150VA NA 120V @1.25A NA 1.25A(@120V

5

N.O. 150VA NA 120V @1.25A NA 1.25A(@120V

(3.6m)
393-DT-06K5 N.O. 150VA NA 120V @1.25A NA 1.25A(@120V
393-DT-12K5 N.O. 150VA NA 120V @1.25A NA 1.25A(@120V

(3.6m)

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

1

The part number 391 and the 393 are the same in all respects except the cable exits 391 left and 393 right .

2

Configuration with actuator away from the switch

3

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

@0.08A) 30V(@0.08A) 0.18A(@13.8V) 0.18A(@13.8V) 0.5 Ohms 0.8"(2cm) 0.1"(0.25cm) 1.2"(3.0cm) 6' (1.8m)
@0.18A) 30V(@0.18A) 0.18A(@13.8V) 0.18A(@13.8V) 0.5 Ohms 0.8"(2cm) 0.1"(0.25cm) 1.2"(3.0cm) 12'

4

) NA NA 0.8"(2cm) 0.1"(0.25cm) 1.2"(3.0cm) 6' (1.8m)

4

) NA NA 0.8"(2cm) 0.1"(0.25cm) 1.2"(3.0cm) 12'

4

) NA NA 0.8"(2cm) 0.1"(0.25cm) 1.2"(3.0cm) 6' (1.8m)

4

) NA NA 0.8"(2cm) 0.1"(0.25cm) 1.2"(3.0cm) 12'

INTERLOCK SWITCH

300 SERIES