www.hamlin.com
MRPR-3 Features and Benefits
Features
•
Miniature normally open switch
with 19.69mm x 2.84mm (0.775”
x 0.112”) glass envelope
•
Switch contacts capable of
switching up to 1.5 Amps and
will carry up to 3 Amps
•
Maximum contact rating 50
Watts
•
Insulation resistance 10
10
Ohms
•
Available sensitivity range 22-43 AT
Benefits
•
Genuine power switching with a
miniature switch
•
Hermetically sealed switch
contacts are not effected by and
have no effect on their external
environment
•
Low, stable contact resistance
•
Low space requirement
•
Zero operating power required
for contact closure
•
Fit and forget durability
Applications
•
•
•
•
•
Limit switching
Telephone line switching
Office equipment
Automotive applications
Light inductive loads
DIMENSIONS (in) mm
Switch Type
Contact Form
Underwriters Laboratories Recognised, File E47258 (see note 1)
ELECTRICAL RATINGS
Contact Rating (2)
Voltage
Current
Resistance
Capacitance
Temperature
Switching
Breakdown
Switching
Carry
Contact, Initial
Insulation
Contact
Operating
Storage (6)
Watt - max.
Vdc - max.
Vdc - min.
A - max.
A - max.
Ω
- max.
Ω
- min.
pF - typ.
°C
°C
MRPR-3
A
50
200
300
1.5
3.0
0.100
10
10
0.2
-40 to +125
-65 to +125
OPERATING CHARACTERISTICS
Operate Time (3)
Release Time (3)
Shock
Vibration
Resonant Frequency
MAGNETIC CHARACTERISTICS
Pull-In Range (4)
Rating Sensitivity (5)
Test Coil
Notes
1)
2)
For details on electrical specifications, contact Hamlin.
Contact rating-Product of the switching voltage and current should never exceed the
wattage rating.
Contact Hamlin for additional load/life information.
Operate (inc. bounce) /Release Time-per EIA/NARM RS421A, diode suppressed coil.
4)
5)
6)
ms - max.
ms - max.
11ms
1
⁄
2
sine wave
50-2000 Hertz
G - max.
G - max.
Hz - typ.
0.75
0.3
100
30
2100
Ampere Turns
Ampere Turns
22-43
22
L4989
Pull in Range-Contact Hamlin for tolerances available within this range.
Rating Sensitivity-The value at which contact ratings and operating characteristics are
determined. Derating may be required below this value.
Storage Temperature-Long time exposure at elevated temperature may degrade
solderability of the leads.
3)
Hamlin USA
Hamlin UK
Hamlin Germany
Hamectrol France
Tel:
Tel:
Tel:
Tel:
+1 920 648 3000
•
Fax: +1 920 648 3001
•
Email: sales.us@hamlin.com
+44 (0)1379 649700
•
Fax: +44 (0)1379 649702
•
Email: sales.uk@hamlin.com
+49 (0)
6142 923920
•
Fax: +49 (0)
6142 923921
•
Email: sales.de@hamlin.com
+33 (0) 1
6047 3000
•
Fax: +33 (0) 1
6015 9136
•
Email: sales.fr@hamlin.com
INFORMATION PROVIDED ON THIS DATA SHEET IS PROVIDED FOR INFORMATION PURPOSES ONLY AND SHOULD NOT BE RELIED UPON AS BEING ACCURATE FOR ANY
PARTICULAR PURPOSE. Product performance may be affected by the application to which the product is
applied.
Upon request, HAMLIN will assist purchasers by providing information
specific to any particular application. HAMLIN disclaims any and all liability whatsoever for any purchaser’s reliance upon the information contained on this data sheet without further
consultation with authorised representatives of HAMLIN.
ISSUE No: 4 DATE: 1/5/3
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