Solutions Seeking Problems.
MAGNASPHERE
®
®
L-Series
Contact Form:
B (Normally Closed-N.C.)
Contact Material:
Gold/Gold
Initial Contact Resistance (Typical):
< 150 Milli Ohms
Contact Capacitance:
< 1 pf
Contact Ratings:
30 VDC @ 250 ma
Contact Bounce* (Typical):
< 10
milliseconds*. Recommended trial
de-bounce - 15 milliseconds (min.)
closed contact condition for logic state
changes - or 30 Hz low pass filter buffer
Minimum Breakdown Voltage (Typical):
300 VDC
Insulation Resistance (Typical):
> 5 Mega Ohms
Offers remarkable ferrous metal proximity sensing (needs no magnet actuator)
in such a compact, low cost two-wire switch. Can also be configured as a
magnetically tamper resistant device. Robust all metal construction and design
make it highly resistant to permanent contact welding due to power surges.
CONTACT CHARACTERISTICS
Z Axis Mode
.020"
.095" ref
.479” ref
.021" ref
.320” ref
.264” ref
.244” ref
.198” dia ref
OPERATION CHARACTERISTICS
Operate/Release Values:
See Switching Characteristics Table
Actuation Magnet Orientation:
Either Pole
Maximum Operating Frequency:
20 Hz
Mounting Position:
Any Plane
Operating Temperature:
-40°C to +85°C
Shock (Switch Damage):
> 100 G’s
Vibration:
10-15 G’s (80-450 Hz)
(Higher Values Available)
L-SERIES:
General Sense Zone
MG-B2-6.5-L
MG-B2-8.0-L
MG-B2-10-L
GENERAL CHARACTERISTICS & INFORMATION
Construction:
Non-Ferrous Metal Housing,
Compression Seal Hermetically Sealed,
Protective Gas Atmosphere, Precious
Metal Plated Spherical Magnet Contact.
Soldering Guidelines:
600º F (315º C)
Temperature iron for 5 sec. (max.). Do
not solder within 1/8” (3 mm) of glass
seal. Lead pins precious metal plated
for enhanced solderability.
Termination Polarity Guidelines:
Polarity
selection is non-critical, though some
life gain may be realized by center pin
as cathode on logic loads, but center
pin as anode on larger loads.
Lead Wire Cutting / Bending Guidelines:
Cut length has no effect on magnetic
OP/REL values. Shearing action type
cutters are recommended, but end nippers
and side cutters are NOT recommended.
Metal style seals are extraordinarily
rugged, but the bending of unsupported
lead wire pins adjacent to the glass seal
is not recommended (i.e. when bending
use the support of some type of parallel
jaws spaced away from the glass seal to
grip the lead wirepins while bending the
pins’ free ends, so no bending strains
are imposed on the glass seal.
Other Comments:
Ferromagnetic mate-
rials and strong Electromagnetic devices
proximate to the switch or its actuator
magnet may adversely affect expected
OP/REL switching values. Experimen-
tation is recommended to investigate
areas of concern.
Revised 3/30/2012
www.MAGNASPHERE.com
American-Made
®
MAGNASPHERE
Switch Technology
NEW
MAGNASPHERE
AIR GAP DISTANCE
TYPICAL
MIN
MAX
POSITION
®
®
SWITCHING CHARACTERISTICS
The Most Advanced and Effective Magnetic Sensor
a
MG-B2-6.5-L
b
a
d
(a) Leads Horz.
“OPEN”
(b) Leads Horz.
“CLOSED”
1.000”
1.092”
.921”
.989”
.843”
.902”
.128”
.152”
.116”
.138”
.813”
1.825”
.831”
.918”
.739”
.826”
.103”
.137”
.084”
.107”
1.187”
1.359”
0.5” L x .375” T
NEO 35 MAGNET TARGET
MG-B2-8.0-L
b
a
b
a
b
a
b
a
d
d
d
d
(a) Leads Horz.
“OPEN”
(b) Leads Horz.
“CLOSED”
(a) Leads Horz.
“OPEN”
(b) Leads Horz.
“CLOSED”
(a) Leads Horz.
“OPEN”
(b) Leads Horz.
“CLOSED”
(a) Leads Horz.
“OPEN”
(b) Leads Horz.
“CLOSED”
1.011”
1.050”
.947”
.978”
.153”
.167”
.148”
.169”
MG-B2-10-L
MG-B2-6.5-L
FERROUS METAL TARGET
EG. C1010 Low Carbon
1.0” L x 1.0” W x .0625” T
MG-B2-8.0-L
MG-B2-10-L
b
d
(a) Leads Horz.
“OPEN”
(b) Leads Horz.
“CLOSED”
.111”
.131”
.083”
.113”
.139”
.149”
L-Series
ABOUT MAGNASPHERE
Switching characteristics
the target moves closer (a), this normally closed switch
will OPEN at the air gap distance (d), and CLOSE when the target moves away (b).
PATENTED DESIGN
MAGNASPHERE
®
products are covered
by one or more of the following U.S. and
international patents:
#5332992
#5880659
#6506987
#7023308
#5530428
#5673021
#5977873
#6087936
#6603378
#6803845
(Patents Pending)
MAGNASPHERE
®
Corp. is a privately held company
founded in 2002, with the purpose of providing superior
performing magnetic switch and sensor technology to
the industrial/commercial OEM and security markets.
MAGNASPHERE’s patented, award-winning technology
establishes new standards for magnetic switch perfor-
mance while providing an affordable and more effective
alternative to other magnetic switch technologies.
Learn more: Visit us at
www.MAGNASPHERE.com.
Standard for Industrial Control Equipment, UL 508
INDUSTRY AWARDS
Best of Show Award:
ISC Expo
Gold Award
Sensor Technology:
Sensors Expo
Best Intrusion
Detection:
ISC Expo
MAGNASPHERE
®
NOTICE OF LIMITED LICENSE AND RIGHTS:
(Security Applications)
The purchase of MAGNASPHERE
®
switches provides the purchaser and the purchaser's
customers with a limited right and license to make, use, offer for sale, and sell security
devices, each making use of a single MAGNASPHERE
®
switch; however, this limited right
and license does not extend to and specifically excludes security devices making use of
two or more MAGNASPHERE
®
switches that cooperatively monitor a single area or location.
MAGNASPHERE
®
Corp., 23777 Stone Ridge Drive, Suite 160, Waukesha, Wisconsin 53188. tel: 262.347.0711 fax: 262.347.0710
© 2012 MAGNASPHERE
®
CORP. All Rights Reserved.
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