MINIATURE LOW TORQUE
ESeries
Features
Long life coil spring mechanism Phenolic case
Low torque rotary actuation
Stainless steel spring
Clockwise or counter clockwise actuation
6 terminal types
Double rivet sturdy case construction
Silver or gold
3 contact arrangements
crosspoint
contacts
Brass moving
blade
NC terminal
NO terminal Common terminal
Electrical Ratings
Electrical Life at Rated Load
Switch According to VDE According to UL
Series EN61058 Rating UL1054 Rating (Min. Operations) (Min. Operations)
E51 N/A 6A, 250VAC N/A 6,000
E53 N/A 0.1A, 125VAC N/A 6,000
Specifications
Electrical
Temperature Rating: -40 to +85C
Flammability Rating: UL94HB
Materials
Case: General Purpose Phenolic
Terminal: Silver-Plated Brass
Moving Blade: Brass
Contacts: Silver Alloy (E51), Gold Crosspoint (E53)
Spring: Stainless Steel
42
Dimensions inches (mm) Actuators
Wireform actuators are supplied
unassembled for each switch.
0.139
1.218 0.750 (19.05)
(3.53) 0.123 (3.12)
(30.94) Wireforms may be readily assembled
Dia Hole 0.652 (16.56)
0.126 (3.20)
0.937
to switch rotor as shown.
0.580
(23.80) 0.218 (5.54)
(14.73)
0.709
0.550
0.140 (3.56)
(18.01) Mtg Surface
(13.97)
Switch Rotor
0.483
(12.27)
3.19
(81.03)
0.875
0.685 (22.23)
(17.40) Max
0.265
(6.73)
COM N.O. N.C.
Wireform
0.065
No. 0014-0645
0.343
(1.65)
(8.71)
Clockwise Actuation Shown
0.123 (3.12) x 0.158
0.293 0.388 0.328
(4.01) Slot
0.126 (3.20)
(7.44) (9.85) (8.33)
Terminals
Standard Parallel QC Vertical Twist QC
0.406 (10.31) 0.406 (10.31) Circuitry
0.032
0.020
(0.81) (0.51)
This series is available in single pole
0.205 0.187
(4.75)
(5.21) double throw and single pole single throw
either normally open or normally closed. In
0.062 x 0.100 Slot
0.205 0.062 x 0.100 Slot 0.032 0.187 0.062 x 0.100 Slot 0.020
(1.58 x 2.54) (5.21) (1.58 x 2.54) (0.81) (4.75) (1.58 x 2.54) (0.51)
general, normally open may be specified by
adding 01 to suffix numbers, and normally
Vertical Straight QC
0.406 (10.31) closed by adding 02.
0.312 (7.93) Max
For example, E51-00B is double throw,
0.187
(4.75)
E51-01B is normally open and E51-02B
0.093
is normally closed.
0.032 0.205 (2.36) 0.062 x 0.100 Slot 0.020
(7.67) (5.21) Dia. Hole (1.58 x 2.54) (0.51)
Mounting
Recommended mounting screw size:
Rest
0
Pos.
#4-40 Round head. Recommended torque
Reset Range
Reset Range
on Return Stroke
on screw: 4 inch lbs. max.
on Return Stroke
0
26 3
5
13 Operating Characteristics
15
5
21
13
Datum Line Datum Line
15
Standard Force 4.0 gms. (max.)
21
Overtravel 15 min.
COM N.O. N.C.
(10.5 gram cm)
38 min. SW. OP. Range
Movement Differential 3 min.
Total Stroke on OP. Stroke
OP. Range
38 min.
Note: Special models and tooling capability available for custom wire
on OP. Stroke
Total Stroke
form actuators.
Counterclockwise Actuation Clockwise Actuation
Note: Additional operating forces available upon request.
Rest from Centerline 26 3. Full Overtravel 38 minimum. Consult factory.
Ordering Information
Actuator Specifications
Select the current rating you need.
Combine the corresponding Series/Prefix
Switch Actuator Direction of Terminals
Type Type Actuator inches (mm)
number with the appropriate suffix number
00B Clockwise Standard Parallel 0.205 (5.21) for the switch type, circuitry and terminals
you require.
00R Clockwise Standard Parallel 0.187 (4.75)
00E Counter Clockwise Standard Parallel 0.205 (5.21)
00T Counter Clockwise Standard Parallel 0.187 (4.75)
50B Clockwise Vertical Twist 0.205 (5.21)
50R Clockwise Vertical Twist 0.187 (4.75)
50E Counter Clockwise Vertical Twist 0.205 (5.21)
50T Counter Clockwise Vertical Twist 0.187 (4.75)
60B Clockwise Vertical Straight 0.205 (5.21)
60R Clockwise Vertical Straight 0.187 (4.75)
60E Counter Clockwise Vertical Straight 0.205 (5.21)
60T Counter Clockwise Vertical Straight 0.187 (4.75)
43
Specifications subject to change without notice.