37
MINIATURE
ESeries
Features
8 current ratings AC
3 current ratings DC
Choice of actuator styles
Choice of terminals
3 contact arrangements
Long-life coil spring mechanism
Agency approved extended life versions
High-temperature versions available
Specifications
Electrical
Temperature Rating: -40° to +85°C (130°C and 150°C optional, except E36)
Flammability Rating: UL94HB
Materials
Case: General Purpose Phenolic
Actuating Button: Thermoplastic Acetal
Common Terminals: Silver-Plated Brass (E21, E22, E23, E31, E33, E34, E35)
Silver-Plated Copper (E36)
NO & NC Terminals: Brass (E21, E22, E23, E31, E33, E34, E35)
Copper (E36)
Moving Blade: Brass (E21, E22, E23)
Silver-Plated Beryllium Copper (E31, E33, E34, E35, E36)
Spring: Stainless Steel
Auxiliary Actuator: Cold-Rolled Steel (Nickel-Plated)
(except E21 and E22 Aluminum)
Roller: Sintered Stainless Steel
Contacts: Silver Alloy (except E21 and E31 Gold Crosspoint)
Stainless steel spring
Thermoplastic
actuating button Phenolic case
Silver alloy or 
gold crosspoint 
contacts
Common terminal
NC terminal
NO terminal
(E34 and E35 only)
Electrical Ratings
Electrical Life at Rated Load
Switch According to VDE According to UL
Series EN61058 Rating UL1054 Rating (Min. Operations) (Min. Operations)
E21 N/A 0.1A, 125VAC (0.25A, 30VDC optional) N/A 6,000**
E22 N/A 3A, 125/250VAC N/A 6,000
1/10HP, 250VAC (0.1A, 125VDC optional)
E23 N/A 5A, 1/4HP, 125/250VAC N/A 6,000
E31 N/A 1A, 125VAC N/A 6,000
E33 N/A 10A, 1/2HP, 125/250VAC (6A, 30VDC optional) N/A 6,000**
E34 N/A 15A, 1/2HP, 125/250VAC N/A 6,000*
E35 N/A 20.1A, 1/2HP, 125/250VAC N/A 6,000
E36 N/A 25A, 125/250VAC; 1HP, 125VAC N/A 6,000
2HP, 250VAC
*Indicates 100K life available for AC version only.
**Indicates 100K life available for AC and DC versions.
38
0.406
(10.31
0.015
0.38)
+
-
+
-
0.250
(6.35)
0.250
(6.35)
0.125
(3.16)
0.020 (0.51) Thk x 0.187 (4.75) Wide
Q.C. Terminal
0.797
(20.24
0.010
0.25)
+
-
+
-
0.625
(15.88
0.015
0.38)
+
-
+
-
0.406
(10.31)
1.093
(27.76
0.015
0.38)
+
-
+
-
0.875 (22.23)
0.110 (2.79)
0.122 (3.10) Dia.
0.234
(5.94)
0.087
(2.21)
0.110
(2.79)
0.106 (2.69) Reference Line
0.397
(10.08
0.015
0.38)
+
-
+
-
0.110 (2.79)
0.122 (3.10)
0.120 (3.05)
0.132 (3.35)
x
0.110 (2.79)
0.465 (11.81)
COM
N.C.
N.O.
0.035
(0.89
0.020
0.51)
+
-
+
-
0.050
(1.27)
Dia.
0.109
(2.77)
0.750
(19.05)
Max.
Rest
1.382
(35.10
0.031
0.79)
+
-
+
-
0.600
(15.24
0.045
1.14)
+
-
+
-
Operating Position
Actuation
Line
0.960
(24.38)
Max.
Rest
1.289
(32.74
0.031
0.79)
+
-
+
-
0.786
(19.96
0.045
1.14)
+
-
+
-
Operating Position
Actuation
Line
COM
COM
N.C.
N.O.
N.C.
N.O.
Actuator Specifications Standard Force
Max. Operating Force (gms.) Maximum Operating Minimum Max. Movement Actuation
Pre-Travel Point*Over-Travel Differential Length**
Actuator Switch E21, E23, inches inches inches inches inches
Type Type E22 E31 E33 E34 (mm) (mm) (mm) (mm) (mm)
–00A 75 170 285 400 0.047 0.578±0.020 0.050 0.010
(1.19) (14.68±0.51) (1.27) (0.25)
–00H 75 170 285 400 0.062 0.600±0.020 0.050 0.016 0.865
(1.57) (15.24±0.51) (1.27) (0.41) (21.97)
–50H 35 86 144 200 0.125 0.600±0.045 0.085 0.030 1.400
(3.18) (15.24±1.14) (2.16) (0.76) (35.56)
–50HL 20 51 86 120 0.220 0.600±0.075 0.130 0.040 1.580
(5.59) (15.24±1.91) (3.30) (1.02) (40.13)
–00K 75 170 285 400 0.047 0.806±0.030 0.040 0.010 0.810
(1.19) (20.47±0.76) (1.02) (0.25) (20.57)
–50K 35 86 144 200 0.125 0.806±0.045 0.085 0.030 1.340
(3.18) (20.47±1.14) (2.16) (0.76) (34.04)
–50KL 25 51 86 120 0.200 0.806±0.075 0.120 0.040 1.516
(5.08) (20.47±1.91) (3.05) (1.02) (38.51)
–50P 35 86 144 200 0.125 1.045±0.045 0.085 0.030 1.340
(3.18) (26.54±1.14) (2.16) (0.76) (34.04)
–50N35 86 144 200 0.175 0.600±0.045 0.065 0.030 1.382
(4.45) (15.24±1.14) (1.65) (0.76) (35.10)
–90N35 86 144 200 0.125 0.793±0.058 0.085 0.030 1.289
(3.18) (20.14±1.47) (2.16) (0.76) (32.74)
*Measured above reference line. Refer to dimensional drawing above. **Actuator tolerance ± 0.031 inches (0.79mm).
Only available with 85°C temperature rating.
Note: E35 and E36 not available in standard force. See Miniature E Series Light Force for ordering information. Suffix numbers shown represent
switch with 0.187(4.75mm) terminals.
Specifications subject to change without notice.
Dimensions Standard Force inches (mm)
Part Number Suffix 50N
Part Number Suffix 90N
Mounting Standard Force
Recommended mounting screw size:
#4-40 round head. Recommended torque
on screw: 3 inch lbs. max.
Ordering Information
Select the current rating you need.
Combine the corresponding Series/Prefix
number with the appropriate suffix number
for the switch type, circuitry and terminals
you require.
Circuitry Standard Force
Contact arrangement available in choice of
single pole double throw or single pole sin-
gle throw, either normally open or normally
closed. In general normally open may be
specified by changing suffix number from
00 to 01 and normally closed by changing
suffix number to 02.
N.C.
N.O.
N.C.
N.O.
N.C.
N.O.
N.C.
N.O.
0.234 (5.94)
0.234 (5.94)
0.234 (5.94)
0.234 (5.94)
0.187 (4.75)
0.250 (6.35)
0.099 (2.51)
Dia. Hole
Screw
Terminals
Q.C.
Solder
Short Solder
0.240 (6.10)
Terminals Standard Force
Choice of screw, solder or two quick
connect terminals.
Note: 0.187Quick Connect terminals are
standard. Normally, to order screw terminals
add 10 to suffix number. To order solder
terminals add 20 to suffix number and to
order 0.250Q.C. terminals add 40 to
suffix number.
Terminal SPDT SPST NO SPST NC
QC 0.187–00A 01A –02A
Screw –10A –11A –12A
Solder –20A –21A –22A
Short Solder –30A –31A –32A
QC 0.250–40A 41A –42A
Switch
Mounting 
Hole
Actuation Length
0.177 (4.50) 0.355 (9.02)
Standard
Ratio
High
Ratio
Actuators Standard Force
Many special forms and lengths of actuators
are available. Standard type integral hinged
lever and roller actuators are available in
choice of 2 mounting positions. Actuation
lengths are dimensioned from centerline of
switch mounting hole as shown.
39
0.406
(10.31
0.015
0.38)
+
-
+
-
0.250
(6.35)
0.250
(6.35)
0.125
(3.16)
0.020 (0.51) Thk x 0.187 (4.75) Wide
Q.C. Terminal
0.797
(20.24
0.010
0.25)
+
-
+
-
0.625
(15.88
0.015
0.38)
+
-
+
-
0.406
(10.31)
1.093
(27.76
0.015
0.38)
+
-
+
-
0.875 (22.23)
0.343
(8.71
0.015
0.38)
+
-
+
-
0.550
(13.97
0.015
0.38)
+
-
+
-
0.113 (2.87)
0.116 (2.95) Dia.
0.234
(5.94)
0.087
(2.21)
0.109
(2.77)
0.106 (2.69) Reference Line
0.397
(10.08
0.015
0.38)
+
-
+
-
0.112 (2.85)
0.116 (2.95) x 0.126 (3.20)
0.109 (2.77)
0.291 (7.39)
COM
N.C.
N.O.
0.050
(1.27)
Dia.
0.207
(5.27
0.015
0.38)
+
-
+
-
0.109
(2.77)
0.750
(19.05)
Max.
Rest
1.382
(35.10
0.031
0.79)
+
-
+
-
0.600
(15.24
0.045
1.14)
+
-
+
-
Operating Position
Actuation
Line
0.960
(24.38)
Max.
Rest
1.289
(32.74
0.031
0.79)
+
-
+
-
0.786
(19.96
0.045
1.14)
+
-
+
-
Operating Position
Actuation
Line
COM
COM
N.C.
N.O.
N.C.
N.O.
Specifications subject to change without notice.
Dimensions Light Force inches (mm)
Part Number Suffix 50NX
Part Number Suffix 90NX
Mounting Light Force
Recommended mounting screw size:
#4-40 round head. Recommended torque
on screw: 3 inch lbs. max.
Ordering Information
Select the current rating you need.
Combine the corresponding Series/Prefix
number with the appropriate suffix number
for the switch type, circuitry and terminals
you require.
Circuitry Light Force
Contact arrangement available in choice of
single pole double throw or single pole sin-
gle throw, either normally open or normally
closed. In general normally open may be
specified by changing suffix number from
00 to 01 and normally closed by changing
suffix number to 02.
N.C.
N.O.
N.C.
N.O.
N.C.
N.O.
N.C.
N.O.
0.234 (5.94)
0.234 (5.94)
0.234 (5.94)
0.234 (5.94)
0.187 (4.75)
0.250 (6.35)
0.099 (2.51)
Dia. Hole
Screw
Terminals
Q.C.
Solder
Short Solder
0.240 (6.10)
Terminals Light Force
Choice of screw, solder or two quick
connect terminals.
Note: 0.187Quick Connect terminals are
standard. Normally, to order screw terminals
add 10 to suffix number. To order solder
terminals add 20 to suffix number and to
order 0.250Q.C. terminals add 40 to
suffix number.
Exception: When ordering –55HX, –75HX,
–75KX or –85HX switches with screw, solder
or 0.250
terminals, consult factory.
Terminal SPDT SPST NO SPST NC
QC 0.187–00AX –01AX –02AX
Screw –10AX 11AX –12AX
Solder –20AX 21AX –22AX
Short Solder –30AX –31AX –32AX
QC 0.250–40AX –41AX –42AX
*E35 and E36 only available with 0.250(6.35) terminals.
Switch
Mounting 
Hole
Actuation Length
0.177 (4.50)
0.355 (9.02)
Standard
Ratio
High
Ratio
Actuators Light Force
Many special forms and lengths of actuators
are available. Standard type integral hinged
lever and roller actuators are available in
choice of 2 mounting positions. Actuation
lengths are dimensioned from centerline of
switch mounting hole as shown.
Actuator Specifications Light Force Maximum
Max. Operating Force (gms.) Maximum Operating Minimum Movement Actuation
Pre-Travel Point*Over-Travel Differential Length**
Actuator Switch E21, E23, inches inches inches inches inches
Type Type E22 E31 E33 E34 E35 E36 (mm) (mm) (mm) (mm) (mm)
–00AX 15 45 75 100 ——0.047 0.578±0.020 0.050 0.010
(1.19) (14.68±0.51) (1.27) (0.25)
–00HX 15 45 75 100 ——0.062 0.600±0.020 0.050 0.016 0.865
(1.57) (15.24±0.51) (1.27) (0.41) (21.97)
–50HX 8 22 37 50 ——0.125 0.600±0.045 0.085 0.030 1.400
(3.18) (15.24±1.14) (2.16) (0.76) (35.56)
–75HX 5 14 22 30 ——0.220 0.600±0.075 0.130 0.040 1.580
(5.59) (15.24±1.91) (3.30) (1.02) (40.13)
–50KX 8 22 37 50 ——0.125 0.806±0.045 0.085 0.030 1.340
(3.18) (20.47±1.14) (2.16) (0.76) (34.04)
–75KX 5 14 22 30 ——0.200 0.806±0.075 0.120 0.040 1.516
(5.08) (20.47±1.91) (3.05) (1.02) (38.51)
–55HX 4 10 17 22 ——0.300 0.600±0.100 0.187 0.065 2.757
(7.62) (15.24±2.54) (4.75) (1.65) (70.03)
–85HX 2610 13 ——0.500 0.600±0.175 0.312 0.100 2.932
(12.70) (15.24±4.45) (7.92) (2.54) (74.47)
–50NX8 22 37 50 65 112 0.175 0.600±0.045 0.065 0.030 1.382
(4.45) (15.24±1.14) (1.65) (0.76) (35.10)
–90NX8 22 37 50 65 112 0.125 0.793±0.058 0.085 0.030 1.289
(3.18) (20.14±1.47) (2.16) (0.76) (32.74)
–40AX —— 120 220 0.070 0.557±0.020 0.035 0.010
(1.78) (14.15±0.51) (0.89) (0.25)
*Measured above reference line. Refer to dimensional drawing above. **Actuator tolerance ±0.031 inches (0.79mm).
Only available with 85°C temperature rating.
Note: Suffix numbers shown represent switch with 0.187(4.75mm) terminals.