Reed Switches
Selection Guide
Application Notes
HYR-1003
HYR-1508
HYR-1531
HYR-1532
HYR-1552
HYR-1555
HYR-1559
HYR-2003-1
HYR-2003-2
HYR-2016
HYR-2034
NRS-701A
NRS-771
RD-7B
RD-7B-S002
RD-8B
RD-8N
RD-9A-S002
RD-9B
RD-18A-S001
RD-75AA
RD-76
Reed Relays
Passive Infrared Detectors
Photoelectric Beams
Opto Sensors
Proximity Sensors
Automotive Sensors
Level Sensors
Flow Sensors
Magnetic Contacts
Video
Aleph HYR-1555 - Form "C" Reed Switch
S p e cificatio n s / D im e n s io n s
Item Value
Contact Form 1C
Contact Position1O
Contact Material Ruthenium3
Max. Contact Rating 3W
Max. Switching Voltage 100VDC
Max. Switching current 0.25A
Max. Initial Contact Resistance 200m Ohm
Pull in Value (AT) 15-50
Min. Drop out Value (AT) 5
Min. Breakdown Voltage2200VDC
Max. Contact Capacitance 0.8pF
Min. Insulation Resistance 109Ohm
Typ. Resonant Frequency 2.4kHz
Electrical Life (Resistive loads) 108 (10mVDC, 10µA)
2 X 106 (12VDC, 250mA)
Features Single pole, double throw
1. C : C enter gap O: Off center gap
2. Breakdown voltage specifications are based on Pull-In
sensitivity of 25 AT or higher. C ontact ALEPH for
information for switches with less than 25 AT
sensitivity.
3. Ruthenium Oxide over Rhodium.
T e s t C o il - T C - 0 5 0 2
Number of Turns 5,000
Wire Gauge AWG #40
Coil Resistance 420W
Aleph is a leading manufacturer of Opto Sensors (interrupter,
reflective and actuator type), Magneto Resistive, Inductive,
Thermal (reed switch), Magnetic Proximity (reed switch) and
Deceleration/Crash type sensors.
Our security products are considered some of the best in the
world. We manufacture and distribute Passive Infrared
Detectors, Photoelectric Beams and Magnetic Contacts.
Aleph America
4700 Aircenter Circle
Reno, NV 89502
775-827-8000
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