General specifications, Wire color codes – Edwards Signaling 191 Series User Manual
Page 2

General Specifications
Enclosure
Seamless 304 Stainless Steel
Temperature Range
-40
°
F to 180
°
F (-40
°
C to 80
°
C)
Environmental
Hermetically Sealed Contact Switch
Sealed in Polyurethane
NEMA Rating
1, 2, 3, 4, 4X, 5, 6, 12
Protection Class
IP 67
Response Time
1 msec; 10msec (150VA)
Life Cycles
100,000 Under Full Load;
Up to 200,000,000 Under Dry Circuit
Lead Types/O.D.
18/2 SJTOW (K) / 0.30" (0.76cm)
18/3 SJTOW (K) / 0.33" (0.84cm)
18/4 SJTOW (K) / 0.34" (0.86cm)
3/16 Armored (A) Stainless Steel Cable with Wire Leads
18GA/0.07" (0.18cm) ea cm
UL/CSA
All Models
• Do not mount for parallel actuation. An on-off-on signal may result when the
actuator passes by the switch.
2. Mount the switch on the stationary frame of the machine and connect the electrical
wiring. When mounting the switch on an ungrounded machine, connect the ground
lead to one of the mounting screws.
3. Mount the actuator on the movable guard, door, or gate.
Wire Color Codes
SPDT
Black = Common
White = N.O.
Red = N.C.
DPST
Circuit 1
Black, White
Circuit 2
Red, Blue
DPDT
Circuit 1
Black = Common
White = N.O.
Red = N.C.
Circuit 2
Blue = Common
Yellow = N.O.
Orange = N.C
File E 122942 LR89176