Insert molded
terminal pins
Polished brass screws and lock washers
(solder terminals optional)
Gold over silver
contacts for versatile,
long-life switching
High-strength
beryllium copper
alloy spring
Rugged phenolic
case and cover
Features
Ultra-small travel differential
Mechanical life tested to 1 million cycles
Current switching to 20 amps
Wide variety of actuators
Screw or solder terminals standard
Low operating forces available
Specifications
Dielectric Strength: 1000VAC 50/60Hz for 1 minute
Insulation Resistance: 100M ohms min at 500VDC
Initial Contact Resistance: 15m ohms max
Temperature Range: -20° to +85°C
Materials
Case: Phenolic
Cover: Phenolic
Spring: Beryllium Copper Alloy
Contacts: Silver Alloy
Terminals: Brass Screw Terminals; Copper Alloy Solder Terminals
Lever Actuator: Stainless Steel
HEAVY-DUTY SNAP ACTION
GP Series
Electrical Ratings
Switch
Series UL1054 Rating
GP*B 20A, 1HP, 125VAC; 20A, 2HP, 250VAC; .5A, 125VDC; .25A, 250VDC
GP*C 15A, 1/8HP, 125VAC; 15A, 1/4HP, 250VAC; .5A, 125VDC; .25A, 250VDC
45
Terminal Types inches (mm) Mounting Holes
0.921±0.012
(23.4±0.3)
1.953
(49.6)
1.00±0.004
(25.4±0.1) 0.693
(17.6)
ø0.091
(ø2.3)
PT
OP
1.945±0.032
(49.4±0.8)
1.953
(49.6)
1.00±0.004
(25.4±0.1)
±
0
.
008
(
17.
6
±
0
.2
)
0.693
0.189
(4.8)
0.476
(12.1)
0.024
(0.6)
FP OP
t=
0.925
(23.5)
+
-
0.008
0.2)
+
-
(17.6
1.783±0.031
(45.3±0.8)
1.953
(49.6)
1.00±0.004
(25.4±0.1) 0.693±0.008
(17.6±0.2)
ø0.374x0.157
(ø9.5x4.0)
0.476
(12.1)
0.024
0.6)
FP OP
t=
N.O.
N.C. COM.
Screw Terminal Solder Terminal
COM. N.O. N.C.
0.787
(20.0)
0.787
(20.0)
1.937
(49.2)
0.36
(9.14)
3-M4 x 4.9
3-M2.5x4
1.586
(40.3)
0.25
(6.4)
0.314
(8.0)
1.937
(49.2)
U.S. Version
Metric V ersion
0.172
0
.14
0
±
0
.
002
±
4.4±0.10
0.00
0.140 0.003
0.001
+
-
0.140 0.003
0.001
+
-
Specifications subject to change without notice.
NOTE: GP Series switches are available with screw or solder terminals in U.S. or metric sizes.
*For solder terminals, replace the “T” in the third position of the part number with an “S” (e.g., GPTCND11 becomes GPSCND11).
†For metric mounting, replace the “1” in the seventh position with a “0” (e.g., GPTCND11 becomes GPTCND01).
Standard Part Numbers and Descriptions
Maximum Minimum Maximum Operating Minimum Max. Movement
Operating Release Pre-Travel Point Over-Travel Differential
Part Force Force inches Min./Max. inches inches Mounting Terminal
Dimensions inches (mm) Number (oz.) (oz.) (mm) inches (mm) (mm) (mm) Hole†Type*
GPTCNA11 12.3 4.0 0.016 0.610/0.642 0.005 0.002 U.S. Screw
(0.41) (15.49/16.31) (0.13) (0.05)
GPTBNA11 22.2 7.1 0.051 0.625/0.657 0.009 0.008 U.S. Screw
(1.30) (15.90/16.70) (0.25) (0.20)
GPTCLR11 10.5 1.7 0.157 0.654/0.717 0.062 0.051 U.S. Screw
(4.00) (16.60/18.20) (1.60) (1.30)
GPTBLR11 9.0 0.98 0.157 0.654/0.717 0.062 0.067 U.S. Screw
(4.00) (16.60/18.20) (1.60) (1.70)
GPTCRR11 10.6 1.8 0.157 1.094/1.157 0.062 0.051 U.S. Screw
(4.00) (27.80/29.40) (1.60) (1.30)
GPTBRR11 9.0 0.98 0.157 1.094/1.157 0.062 0.067 U.S. Screw
(4.00) (27.80/29.40) (1.60) (1.70)
46 Specifications subject to change without notice.
0.921±0.012
(23.4±0.3)
1.953
(49.6)
1.00±0.004
(25.4±0.1)
0.693±0.008
(17.6±0.2)
ø0.157
(ø4.0)
OP
PT
0.476
(12.1)
0.921±0.012
(23.4±0.3)
1.953
(49.6)
1.00±0.004
(25.4±0.1)
0.693±0.008
(17.6±0.2)
ø0.287
(ø7.3)
OP
PT
0.476
(12.1)
1.00±0.004
(25.4±0.1) 0.693±0.008
(17.6±0.2)
PT
OP
0.476
(12.1)
0.642
(16.3)
0.516
(13.1)
0.921±0.012
(23.4±0.3)
0.327
(8.3)
1.953
(49.6)
M (12xP1.0)
1.953
(49.6)
1.00±0.004
(25.4±0.1) 0.693±0.008
(17.6±0.2)
PT
OP
0.476
(12.1)
0.642
(16.3)
0.610
(15.5)
0.921±0.012
(23.4±0.3)
ø0.5x0.150
(ø12.7x3.8)
M (12xP1.0)
1.953
(49.6)
1.00±0.004
(25.4±0.1) 0.693±0.008
(17.6±0.2)
PT
OP
0.476
(12.1)
0.642
(16.3)
0.610
(15.5)
0.906±0.012
(23.0±0.3)
ø0.500x0.150
(ø12.7x3.8)
(M 12.0xP1.0)
Standard Part Numbers and Descriptions
Maximum Minimum Maximum Operating Minimum Max. Movement
Operating Release Pre-Travel Point Over-Travel Differential
Part Force Force inches Min./Max. inches inches Mounting Terminal
Dimensions inches (mm) Number (oz.) (oz.) (mm) inches (mm) (mm) (mm) Hole†Type*
GPTCND11 12.3 4.0 0.016 1.09/1.13 0.063 0.002 U.S. Screw
(0.41) (27.70/28.70) (1.60) (0.05)
GPTBND11 22.9 7.1 0.028 1.091/1.130 0.062 0.008 U.S. Screw
(0.70) (27.70/28.70) (1.60) (0.20)
GPTCNC11 12.3 4.0 0.106 0.826/0.866 0.062 0.002 U.S. Screw
(0.40) (21.00/22.00) (1.60) (0.05)
GPTBNC11 22.9 7.1 0.028 0.826/0.866 0.062 0.008 U.S. Screw
(0.70) (21.00/22.00) (1.60) (0.20)
GPTCNH11 12.3 4.0 0.016 0.826/0.890 0.217 0.002 U.S. Screw
(0.41) (20.98/22.60) (5.51) (0.05)
GPTBNH11 22.9 7.1 0.028 0.826/0.890 0.217 0.008 U.S. Screw
(0.70) (21.00/22.60) (5.50) (0.20)
GPTCRH11 12.3 4.0 0.016 1.268/1.362 0.140 0.002 U.S. Screw
(0.40) (32.20/34.60) (3.58) (0.05)
GPTBRH11 22.9 7.1 0.028 1.268/1.362 0.140 0.008 U.S. Screw
(0.70) (32.20/34.60) (3.56) (0.20)
GPTCRH12 12.3 4.0 0.160 1.268/1.362 0.140 0.002 U.S. Screw
(0.40) (32.20/34.60) (3.56) (0.05)
GPTBRH12 22.9 7.1 0.028 1.268/1.362 0.140 0.008 U.S. Screw
(0.70) (32.20/34.60) (3.56) (0.20)
NOTE: GP Series switches are available with screw or solder terminals in U.S. or metric sizes.
*For solder terminals, replace the “T” in the third position of the part number with an “S” (e.g., GPTCND11 becomes GPSCND11).
†For metric mounting, replace the “1” in the seventh position with a “0” (e.g., GPTCND11 becomes GPTCND01).
47
Specifications subject to change without notice.
OPFP
0.795
(20.2)
1.024
(26.0)
0.677
(17.2)
R 2.5
(R 63.5)
1.953
(49.6)
1.00±0.004
(25.4±0.1) 0.476
(12.1)
0.193
(4.9)
0.039
(1.0)
t=
0.693±0.008
(17.6±0.2)
0.547
(13.9)
OPFP
0.795
(20.2)
1.024
(26.0)
0.677
(17.2)
R 1.654
(R 42)
1.953
(49.6)
1.00±0.004
(25.4±0.1) 0.476
(12.1)
0.693±0.008
(17.6±0.2)
0.547
(13.9)
0.193
(4.9)
0.039
(1.0)
t=
OP
FP
1.024
(26.0)
ø0.374x0.157
(ø9.5x4.0)
R 1.909
(R 48.5)
0.693±0.008
(17.6±0.2)
0.795
(20.2)
0.677
(17.2)
1.953
(49.6)
1.00±0.004
(25.4±0.1) 0.476
(12.1)
0.547
(13.9)
OP
FP
0.693±0.008
(17.6±0.2)
0.547
(13.9)
0.795
(20.2)
1.024
(26.0) ø0.374x0.157
(ø9.5x4.0)
0.677
(17.2)
R 1.047
(R 26.6)
1.953
(49.6)
1.00±0.004
(25.4±0.1)
0.476
(12.1)
Operating direction
0.547
(13.9)
1.953
(49.6)
1.00±0.004
(25.4±0.1) 0.693±0.008
(17.6±0.2)
FP
OP
0.795
(20.2)
1.024
(26.0) ø0.374x0.157
(ø9.5x4.0)
0.677
(17.2)
R 0.437
(R 11.1)
R 1.047
(R 31.9)
0.476
(12.1)
Standard Part Numbers and Descriptions
Maximum Minimum Maximum Operating Minimum Max. Movement
Operating Release Pre-Travel Point Over-Travel Differential
Part Force Force inches Min./Max. inches inches Mounting Terminal
Dimensions inches (mm) Number (oz.) (oz.) (mm) inches (mm) (mm) (mm) Hole†Type*
GPTCLS11 2.4 0.50 0.394 0.716/0.780 0.220 0.050 U.S. Screw
(10.00) (18.20/19.80) (5.61) (1.27)
GPTBLS11 2.8 0.50 0.394 0.716/0.780 0.220 0.007 U.S. Screw
(10.00) (18.20/19.80) (5.61) (0.20)
GPTCLS12 3.1 0.70 0.315 0.716/0.780 0.125 0.040 U.S. Screw
(8.00) (18.20/19.80) (3.20) (1.02)
GPTBLS12 4.2 1.4 0.315 0.716/0.780 0.125 0.040 U.S. Screw
(8.00) (18.20/19.80) (3.20) (1.02)
GPTCRS11 3.5 0.80 0.280 1.157/1.220 0.158 0.040 U.S. Screw
(7.10) (29.40/31.00) (4.00) (1.02)
GPTBRS11 4.2 0.80 0.280 1.157/1.220 0.158 0.040 U.S. Screw
(7.10) (29.40/31.00) (4.00) (1.02)
GPTCRM11 5.6 1.4 0.106 1.173/1.205 0.094 0.020 U.S. Screw
(2.70) (29.80/30.60) (2.40) (0.50)
GPTBRM11 6.4 1.5 0.106 1.173/1.205 0.094 0.020 U.S. Screw
(2.70) (29.80/30.60) (2.40) (0.50)
GPTCRG11 5.6 1.4 0.106 1.594/1.658 0.094 0.020 U.S. Screw
(2.70) (40.50/42.10) (2.40) (0.50)
GPTBRG11 6.3 1.4 0.106 1.594/1.658 0.094 0.020 U.S. Screw
(2.70) (40.50/42.10) (2.40) (0.50)
NOTE: GP Series switches are available with screw or solder terminals in U.S. or metric sizes.
*For solder terminals, replace the “T” in the third position of the part number with an “S” (e.g., GPTCND11 becomes GPSCND11).
†For metric mounting, replace the “1” in the seventh position with a “0” (e.g., GPTCND11 becomes GPTCND01).