US10D10A00 Datasheet, PDF (66/94 Pages) Honeywell Solid State Electronics Center – Basic Switches

Basic Switches
BZ/BA Series
Standard
FEATURES
ɀ Operating force as low as 4 oz. (113
STANDARD BASIC SWITCH CUT-A-WAY
The cut-a-way shown is representative of the standard basic switches described in this
catalog.
grams) maximum
ɀ Sensitive differential travel as low as
.0002 to .0003 inches (0,005 to 0,008
mm)
ɀ Power load switching capability to 25
amperes
ɀ Motor handling capacity to 2 horse-
power at 250 VAC
ɀ Long mechanical life
ɀ High temperature constructions for up
to +400°F (204°C)
ɀ Momentary or maintained contact
action
ɀ Alloy contacts available for special ap-
plication needs
ɀ Variety of integral actuators
ɀ Variety of auxiliary actuators
ɀ Variety of terminal designs
ɀ Optional sealed plunger and cover
ɀ Stainless steel snap spring available
ɀ Military standard construction availa-
ble with over 50 listings on the MIL-
GENERAL INFORMATION
The type BZ switch design meets most S-8805 Qualified products list
MICRO SWITCH standard basic switches applications needs. Modifications of the ɀ UL recognized, CSA certified
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-
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
Characteristics as stated are taken at nor-
mal room temperature and humidity.
These may vary as temperature and hu-
midity conditions differ.
pactness, light weight, accurate repeata- switch design provide operating charac-
bility and long life.
teristics, temperature tolerances, and
sealing to cover a wide range of special
MOUNTING DIMENSIONS
requirements.
Mounting dimensions are included at the _{GENERAL SWITCH IDENTIFICATION}
end of each product section. They are
shown in English and metric equivalents.
First letter in catalog listing designates:
These dimensions are for reference only. B = Single-pole double-throw
For exacting layout work, request an engi- W = Single-pole single-throw (normally closed)
neering layout work, request an engineer- Y = Single-pole single-throw (normally open)
ing drawing from the 800 number.
Second letter in catalog listing designates:
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.)
Z = Standard 15-amp version
M = 22-amp version
A = Standard 20-amp version
E = 25-amp version
Mounting screws . . . . . . . . . . . . 3 in./lbs.*
Terminal screws . . . . . . . . . . . . . . 4 in./lbs.
Panel mount bushing . . . . . . . 4-6 in./lbs.
*Note: Tightening mounting screws
above 3 in./lbs. changes operat-
ing characteristics and increases
the possibility of cracking the
case.
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.
UL/CSA
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
are:
BA
BM
BZ
BE-1,2,5
BE-R
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
For application help: call 1-800-537-6945.
Honeywell Sensing and Control 47