Edwards Signaling 301-BT GuardSwitch Catalog Page

SAFETY

0.67''

1.70cm

3.07''

7.80cm

1.75''

4.45cm

0.74''

1.88cm

0.98''

2.49cm

0.57''

1.45cm

3.07''

7.80cm

0.66''

1.68cm

0.20''

0.51cm

0.16'' x 0.24''

0.41cm x 0.61cm
slot

1.48''

3.76cm

0.40''

1.02cm

2.13''

5.41cm

0.69''

1.75cm

sensing face

sensing face

300-BT SERIES

Actuator

301 Switch

Safety Switch

301-BT GuardSwitch

Applications

• Requiring Highly Defeat • Packaging Machinery
Resistant Switches • Pharmaceutical Equipment

• Meets ANSI, Semi S2 & European • Semiconductor Equipment
Safety Standard for the Highest • Machine Tool Equipment
Machine Risk Category 4 when • Food Processing Machinery
used with the INT Safety Relay

General Specifications

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

NEMA Rating 1, 2, 4, 4X, 5, 12, 12K
Protection Class IP 66
Response Time 1 msec
(individual circuits) The two circuits do not switch

Life Cycles

Lead Types/O.D. 18/4 SJTOW (K) / 0.34" (0.86cm)

UL/CSA/TUV All Models

Encapsulated in Polyurethane

simultaneously and depend on the speed of
the guard closure. A delay less than 50 msec
is typical.
100,000 Under Full Load;Up to 200,000,000
Under Dry Circuit

22/4 PVC Jacketed (J) / 0.19" (0.48cm)
22/6 PVC Jacketed (J) / 0.21" (0.53cm)

Electrical Specifications (Applies to all models)

Circuit Circuit Contact Load MAX Switching MAX Switching

1 Switch N.O. 40W/VA 48VAC/VDC 1.0ADC, 0.7AC
2 Tamper N.C. 10W/VA 48VAC/VDC 0.3A
2 w/optional LED N.C. 0.1–1.4W 48VDC(3V drop) 30mA

File E 122942 LR89176 U9880128199005

Safety Monitor Relay

When used with INT

3 Monitor N.O. 10W/VA 48VAC/VDC 0.3ADC, 0.3AC

Order Information

2

Part Number
Configuration Minimum Maximum Range Length

301-BT-12(J)or(K) DPST: 1 N.O., 1 N.C. 0.3"(0.8cm) 0.6"(1.5cm) 1.2"(3.0cm) 12' (3.6m)
301-BT-12(J)-NH1 DPST: 1 N.O., 1 N.C. 0.6"(1.5cm) 1.2"(3.0cm) 12' (3.6m)
301-BLT-12(J)OR(K) DPST: 1 N.O., 1 N.C. w/ LED 0.3"(0.8cm) 0.6"(1.5cm) 1.2"(3.0cm) 12' (3.6m)
301-B3T-12(J) TPST:2 N.O., 1 N.C. 0.3"(0.8cm) 0.6"(1.5cm) 1.2"(3.0cm) 12'(3.6m)
301-B3LT-12(J) TPST:2 N.O., 1 N.C. w/LED 0.3"(0.8cm) 0.6"(1.5cm) 1.2"(3.0cm) 12'(3.6m)

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

1

NH–no minimum sense range

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

8

Contact

Sense Range3 Sense Range3 Break Lead