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BA-2RV-A2 Fiches technique(PDF) 2 Page - Honeywell Accelerometers
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HONEYWELL-ACC [Honeywell Accelerometers]
BA-2RV-A2 Fiches technique(HTML) 2 Page - Honeywell Accelerometers
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For application help: call 1-800-537-6945.
Honeywell Sensing and Control
STANDARD BASIC SWITCH CUT-A-WAY
The cut-a-way shown is representative of the standard basic switches described in this
MICRO SWITCH standard basic switches
are precision snap-action mechanisms
enclosed in accurately molded plastic
cases. These switches are carefully man-
ufactured and thoroughly inspected.
They are industry known for their com-
pactness, light weight, accurate repeata-
bility and long life.
The type BZ switch design meets most
applications needs. Modifications of the
standard silver contact design and mate-
rial, spring configuration, and plunger lo-
cations give the type BM, BA and BE
switches greater electrical load handling
capacity. Other changes in materials and
switch design provide operating charac-
teristics, temperature tolerances, and
sealing to cover a wide range of special
Operating force as low as 4 oz. (113
Sensitive differential travel as low as
.0002 to .0003 inches (0,005 to 0,008
Power load switching capability to 25
Motor handling capacity to 2 horse-
power at 250 VAC
Long mechanical life
High temperature constructions for up
Momentary or maintained contact
Alloy contacts available for special ap-
Variety of integral actuators
Variety of auxiliary actuators
Variety of terminal designs
Optional sealed plunger and cover
Stainless steel snap spring available
Military standard construction availa-
ble with over 50 listings on the MIL-
S-8805 Qualified products list
UL recognized, CSA certified
Characteristics as stated are taken at nor-
mal room temperature and humidity.
These may vary as temperature and hu-
midity conditions differ.
Mounting dimensions are included at the
end of each product section. They are
shown in English and metric equivalents.
These dimensions are for reference only.
For exacting layout work, request an engi-
neering layout work, request an engineer-
ing drawing from the 800 number.
Mounting holes for Types BZ, BM, BA, BE,
DT, MT, and 6AS switches accept pins or
screws of .139 inch (3,53 mm) diameter.
RECOMMENDED TORQUE (max.)
Mounting screws ............3 in./lbs.*
Terminal screws ..............4 in./lbs.
Panel mount bushing .......4-6 in./lbs.
* Note: Tightening
above 3 in./lbs. changes operat-
ing characteristics and increases
the possibility of cracking the
GENERAL SWITCH IDENTIFICATION
First letter in catalog listing designates:
B = Single-pole double-throw
W = Single-pole single-throw (normally closed)
Y = Single-pole single-throw (normally open)
Second letter in catalog listing designates:
Z = Standard 15-amp version
M = 22-amp version
A = Standard 20-amp version
E = 25-amp version
This section covers only over 100 of our most popular BZ/BA type Series
catalog listings. If you don’t find what you’re looking for, it’s likely one of
the approximately 1800 other active listings will meet your needs. Con-
tact the 800 number.
Our basic switches are Component Recognized by Underwriters’ Laboratories, Inc. and certified by Canadian Standards Associ-
ation. The BA, BZ, and BM line is covered as Special Use Switches to UL Standard 1054; the BE line is covered as an Industrial Motor
Controller to UL Standard 508.
Agency File References
UL File E12252, issued 12-09-88
UL File E12252, issued 12-08-88
UL File E12252, issued 6-29-89
UL File E22779, Vol. 4, Sec. 1
UL File E22779, Vol. 4, Sec. 2
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