BASIC SWITCHES
SINGLE BREAK, COMMERCIAL & MILITARY GRADES, TWO WIDTHS
BASIC
SWITCHES
B2
Available in two widths, the B2 series can be specified to fit
your application exactly.
In addition to being available with integral actuating levers as
in the B2-5 series, the B2 series is also available with the A1
series auxiliary lever actuators as shown in the B3 section.
While the B2 series conforms to and is qualified to various
military specifications, the same switch can be specified
for commercial use at a cost savings.
A choice of turret, quick connect and three lengths of printed
circuit board style terminals are available for both the 0.156”
and 0.200” wide models.
Whether it be military or commercial applications, OTTO can
provide features you select for your application. You can specify
the features you require without paying for ones you don’t need.
The OTTO B2 sub-subminiature switches conform to and are
qualified under MIL-PRF-8805/4, MIL-PRF-8805/106 (high
temp -55°C to +205°C) and MIL-PRF-8805/109. Basic switches
are designed for miniature spaces where cam or other limit
actuators are used on the button. In addition, a full range of
toggle, pushbutton and lever actuators are available.
Double Turret
PC Terminals
BASICS
Solder Turret
Quick Connect
Right Angle
®
C
US
Standard Characteristics/Ratings:
ELECTRICAL RATINGS:
High Level Switch Ratings
Load
Resistive
Rating – Sea Level
7A
7A
2A
7A
4A
2.5A
Rating – 50,000 feet
N/A
N/A
N/A
4A
2.5A
2.5A
Low Level Switch Ratings
28VDC, gold plate contacts
Resistive
Inductive
Lamp
DWV:
Electrical Life:
Mechanical Life:
Seal:
Operating Force:
Release Force:
Operate Point:
Overtravel:
Pretravel:
1A
0.5A
N/A
1050Vrms
Up to 50,000 cycles
Up to 250,000 cycles
Unsealed
5 oz or 6 oz
1 oz min
0.320 +/- 0.015 inches from mounting holes
0.004 inches min
0.020 inches max
1A
0.5A
N/A
400Vrms
115/250VAC, 60Hz silver contacts with gold plate
Inductive
Lamp
Resistive
Inductive
Lamp
Features:
•
•
•
•
•
•
•
Choice of 0.156” & 0.200” wide models
Up to 7 amps switching
Sensitive movement differentials
Low operating forces
Choice of 8 terminal styles or wire leads
Long operating life
Qualified under MIL-PRF-8805/4, MIL-PRF-8805/106
& MIL-PRF-8805/109
• UL recognized & CSA certified
• RoHS/WEEE/Reach compliant
28VDC, silver contacts with gold plate
Operating Temp Range:
-55°C to +85°C, high temp rating -55°C to +205°C
Movement Differential:
0.006 inches max
MATERIALS:
Case:
Cover:
Button:
Terminals:
Contacts:
Terminal Hardware:
Optional Wires:
Mounting Hardware:
Specifications Subject To Change Without Notice
Thermoset, blue
Thermoplastic, blue
Thermoplastic, black
Brass, gold over nickel
Stationary: Silver with gold
Moveable: Silver or gold
None provided
24 AWG blue, red, yellow
None provided
www.ottoexcellence.com
4
B2
BASIC
SWITCHES
BASIC SWITCHES
SINGLE BREAK, COMMERCIAL & MILITARY GRADES, TWO WIDTHS
.180
MILITARY APP
ROVAL
S
(MIL-PRF-8805/4, MIL-PRF-8805/106 & MIL-PRF-8805/109)
Certain OTTO B2 models have been qualified to the military
specification for these parts. The following is the latest listing.
.060
.040
.090
.180
.035
.090
TERMINAL STYLE 1
SINGLE SOLDER TURRET
TERMINAL STYLE 6
PRINTED CIRCUIT PIN 0.090" LONG
(OVAL HOLE)
.035
.180
.090
+.020
-.010
+.020
-.010
MILITARY NO.
M8805/106-01
M8805/106-02
M8805/109-01
M8805/109-02
M8805/109-03
M8805/109-04
MS24547-1 (M8805/4)
MS24547-2 (M8805/4)
MS24547-4 (M8805/4)
MS24547-5 (M8805/4)
MS24547-6 (M8805/4)
MS24547-7 (M8805/4)
OTTO P/N
B2-200031
B2-200032
B2-111351
B2-112351
B2-111353
B2-112353
B2-211351
B2-211353
B2-212351
B2-212353
B2-200029
B2-200030
.058
.155
.245
SWITCH WIDTH DIM. "A"
.156
.110
.200
.085
.165
.060
.040
.255
SWITCH WIDTH DIM. "A"
.156
.110
.200
.085
"A"
TERMINAL STYLE 2
DOUBLE SOLDER TURRET
TERMINAL STYLE 7
RIGHT ANGLE PRINTED CIRCUIT PIN
.090
.035
.180
+.020
+.010
+.020
-.010
+.020
-.010
(OVAL HOLE)
"A"
+.020
-.010
TERMINAL STYLE 9
RIGHT ANGLE, OPPOSITE OF 7
TERMINAL STYLE 3
QUICK CONNECT
MATES WITH AMP .058” RECEPTACLES
(.250)
.150
.240
"X"
"Y"
.035
TERMINAL STYLE 4
PRINTED CIRCUIT PIN 0.150" LONG
.125±.030
NC 24 AWG BLUE
NO 24 AWG RED
C 24 AWG YELLOW
.270
.360
.035
TERMINAL STYLE 5
PRINTED CIRCUIT PIN 0.270" LONG
WIRE LENGTH
CODE
A
B
C
D
E
DIM. "X"
06.00
12.00
18.00
24.00
30.00
.38
.50
.50
.50
.75
DIM. "Y"
06.09
12.09
18.09
24.09
30.09
.38
.50
.50
.50
.75
ORDERING INFORMATION:
Select the OTTO B2 basic switch to match your specific circuit
and mechanical requirements. To order, specify your requirement
using the OTTO Part Number Code shown to the right.
Example:
B2-112351 specifies Military grade construction on a
0.156” wide base, double turret terminals, 5 oz operating force,
0.005”movement differential and silver/gold high current contacts.
B2
–
X
Bold Code
numbers signify standard features with best availability.
B2 PART NUMBER CODE
X
X
X
Operating
Force
X
X
Contact
Material
1. Silver/Gold –
High Current
3. Silver/Gold –
Low Current
Model
(Width/Constr.)
Actuator Terminal
Style
Style
Movement
Differential
2. 0.002”
3. 0.003”
4. 0.004”
5. 0.005”
6. 0.006”
1. 0.156” (MIL Grade)
1. Button
2. 0.200” (MIL Grade)
3. 0.156” (Com’l Grade)
4. 0.200” (Com’l Grade)
1. Single Turret
3. 5 oz max
2. Double Turret
4. 6 oz max
3. Q.C. Tab
➀
4. PC Pin 0.150” lg.
5. PC Pin 0.270” lg.
6. PC Pin 0.090” lg.
7. Right Angle PC
9. Right Angle,
Opposite of 7
A. With 24 AWG Wires 06.0" lg.
B. With 24 AWG Wires 12.0" lg.
C. With 24 AWG Wires 18.0" lg.
D. With 24 AWG Wires 24.0" lg.
E. With 24 AWG Wires 30.0" lg.
➀
Mates with AMP 0.058” receptacles.
5
OTTO Full Line Catalog
Specifications Subject To Change Without Notice
Test/Measurement
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