Proximity Sensors
One-Piece Ferromagnetic Actuated Reed Proximity Switches
FR ORDER GUIDE
Catalog Listing
Heavy Duty
Wires
Cable
4FR1-6
6FR1-6
4FR2-25
6FR2-6
Sensitivity*
in. (mm)
0.50/12,7
0.75/19,1
MUST
Operate Pt.
0.35/8,9
0.60/15,2
4/6FR Series
Lead Length
Feet/mm
6.0/1,83
6.0/1,83
* Nominal for low carbon steel, 1 x 3 x 0.25 in. (25,4 x 76,2 x 6,35 mm).
Note: 25 and 50 ft. (7,6 and 15,2m) lead lengths can be supplied, but longer lead lengths are not necessarily
stock items.
6FR1-6: 589,5g (20.8 oz)
FEATURES
Internal dry reed switch, ferrous metals
sensitive
One piece construction aluminum
housing
Single pole, single throw, normally open
circuitry
May be used to directly drive low energy
circuits
Long mechanical life
Completely potted enclosure
Hermetically sealed contacts
No-touch detection of ferrous metals
Standard 1/2 inch conduit outlet
Can detect ferrous metal through
non-ferrous metal. Example: Steel
through stainless steel.
CHARACTERISTICS
Circuitry
Response Time
Repeatability (constant actuator
path, at stabilized temperature)
Power rating
AC (maximum)
DC (maximum)*
Initial Contact Resistance
(closed circuit)
Switching Frequency
Single pole, normally open
1 millisecond
0.005 inch (0,13mm)
15 VA, 500 mA, 280 V RMS
15 watts, 500 mA, 400 V
0.060 ohm max.
Dependent on size and speed of
target. Has been tested to 100 Hz,
but should be operated at less than
700-800 Hz resonant frequency.
0.5 millisecond max.
100,000 operations min.
50 million operations
鈥?20擄 to
+83擄C
(鈥?4擄 to
+
181擄F)
Reed Bounce Time
Operating Life
Max. Load
With 5FD1 relay load
Temperature Range
* DC rating with contact protection diode [N2071,
International Rect. 10D6, 600V. 1 amp or
equivalent] for increased life.
MOUNTING DIMENSIONS
(For reference only)
B70
Honeywell MICRO SWITCH Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
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