ULTRA SMALL SUBMINIATURE BASICS
SINGLE BREAK, SNAP-ACTION, COMMERCIAL & MILITARY GRADES, ULTRA SMALL SUBMINIATURE
BASIC
SWITCHES
B1
The B1 series basic switches are ultra-subminiature in
size, designed to reliably switch low level signals as
well as up to 2 amps switching capacity for a minimum of
25,000 cycles. Mechanical life expectancy is in excess of
one million cycles.
The molded housing is rugged and structurally stable.
The terminals are molded-in and sealed against solder flux
entering the switch. The terminals are available in a choice
of double turret solder style and 0.020” x 0.025” PC pins.
The B1 series is also available with integral lever actuators
as B1-5 series.
BASIC SWITCHES
Features:
•
•
•
•
•
•
•
•
Ultra-compact: only 0.300” w x 0.255” h x 0.100” thick
1 million cycle life, B1-5 Series
Low level or logic level switching capability
Designed in accordance with MIL-PRF-8805/94
Available in Commercial & Military grades
Choice of solder or PC molded-in terminals
Precision operating points
RoHS/WEEE/Reach compliant
Actual Size
Standard Characteristics/Ratings:
ELECTRICAL RATINGS:
Load
Resistive
Inductive*
DWV
Low Level
*L/R = 0.026
Electrical Life:
Mechanical Life:
Seal:
Operating Force:
Release Force:
Operate Point:
Overtravel:
Pretravel:
25,000 cycles
B1 Series is 100,000 cycles (B1-5 Series is 1,000,000 cycles)
Unsealed
6 oz max
0.7 oz min
0.220 +/- 0.015 inches from mounting holes
0.003 inches min
0.015 inches max
Sea Level @ 28VDC or 115VAC, 60Hz
2A
0.5A
1000Vrms
30mVDC max and 10mA max
50,000 feet @ 28VDC
2A
0.2A
400Vrms
30mVDC and 10mA max
Operating Temp Range:
-55°C to +125°C
Movement Differential:
0.002 inches nominal, 0.005 inches max
Double Turret Terminals
Style Code 2
PC Pins Terminals
Style Code 3
MATERIALS:
Case:
Cover:
Button:
Terminals:
Contacts:
Terminal Hardware:
Mounting Hardware:
Thermoset, blue
Thermoplastic, blue
Thermoplastic, black
Brass, gold over nickel
Stationary: Silver with gold
Moveable: Silver with gold
None provided
None provided
ORDERING INFORMATION:
B1 Basic
Select the OTTO B1 basic switch to match your specific circuit and
mechanical requirements. To order, specify your requirement using
the OTTO Part Number Code shown below.
Example:
B1-12111 specifies Military grade construction, double
turret terminals, 6 oz max operating force and silver/gold high
current contacts.
B1
–
X
B1 PART NUMBER CODE
X
X
X
Operating
Force
1.
6 oz max
X
Contact
Material
1.
Silver/Gold – High Current
3.
Silver/Gold – Low Current
Construction
Grade
1.
Military
2.
Commercial
Terminal
Style*
2.
Double Turret
3.
PC Pins
Movement
Differential
1.
0.005” max
* Wire leads available, contact factory.
Specifications Subject To Change Without Notice
www.ottoexcellence.com
5
B1-5
BASIC
SWITCHES
B1 BASICS WITH INTEGRAL LEVERS
SINGLE BREAK, SNAP-ACTION, COMMERCIAL & MILITARY GRADES, ULTRA SMALL SUBMINIATURE WITH INTEGRAL LEVERS
Short Formed
Lever Style
B1-5 Integral Lever Basic Switches
B1-5 series basic switches feature integral actuating
levers. The lever is built-in so that the switch and actuator
are one assembly.
Making the lever actuator an integral part of the basic
switch case makes sense and saves money, too. Better
precision, no parts to assemble and more variety add up
to a cost saving proposition.
Short Straight
Lever Style
Long Straight
Lever Style
STANDARD OPERATIONAL CHARACTERISTICS
Lever
Style
Short Straight Lever
Long Straight Lever
Short Formed Lever
Catalog
Number
B1-500111
B1-500311
B1-500411
Operating
Force
(max ounces)
1.8
1.0
2.0
Release
Force
(min ounces)
0.11
0.09
0.15
Pretravel
(max inches)
0.054
0.185
0.030
Overtravel
(min inches)
0.015
0.023
0.015
Movement
Differential
(max inches)
0.016
0.032
0.020
Operating
Point
(inches)
0.250 +/- 0.025
0.293 +/- 0.070
0.293 +/- 0.025
(Other lever lengths and styles available.)
B1-5
Actuator
Identifier
Integral Lever
Actuator Style
B1-5 PART NUMBER CODE
XXX
X
Lever
Style
001.
Short Straight
003.
Long Straight
004.
Short Formed
(Other lever lengths
and styles available.)
ORDERING INFORMATION:
X
Contact
Material
1.
Silver/Gold - High
Current
3.
Silver/Gold - Low
Current
B1-5 Series, Basic Switch with Integral Lever Actuator
Select the OTTO B1-5 basic switch to match your specific circuit and
mechanical requirements. To order, specify your requirement using the
OTTO Part Number Code shown at left.
Example:
B1-500111 specifies short straight integral lever, double
turret terminals and silver/gold high current contacts.
Terminal
Style*
1.
Double Turret
2.
PC Pin 0.140” lg.
* Wire leads available, contact factory.
Short Straight Lever
B1-50012X
Long Straight Lever
B1-50031X
Short Formed Lever
B1-50041X
6
OTTO Full Line Catalog
Specifications Subject To Change Without Notice
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