SERIES
AXIAL LEAD, SHIELDED REED RELAY
MRR & RR
SPECIFICATIONS MRR & RR
Rhodium
Contact Material:
- 40˚C to + 85˚C
Ambient Temperature:
Dielectric Strength:
MRR 400 V rms Across open contacts
RR 500 V rms Across open contacts
1500 V rms All other points
1000 Megohms Min.
0.4 pF typical coil to contacts
50 G's
Insulation Resistance:
Capacitance:
MRR - 20 G's to 2000 Hz
RR - 10 G's to 450 Hz
Shock Resistance:
Vibration Resistance:
2 to 10 Milliseconds based on the
amount of contacts.
10 Million operations at rated load
200 Million operations no load
Operate & Release Time:
Life:
COIL DATA RR SERIES
COIL DATA MRR SERIES
Coil Resistance & Nominal Voltage Measured
at ± 10% @ 25˚C.
Coil Resistance & Nominal Voltage Measured
at ± 10% @ 25˚C.
DPST-NO
4PST-NO
OHMS
24
94
384
1536
4PST-NO 12PST-NO
SPST-NO or NC
OHMS
90
SPST-NO DPST-NO
OHMS
24
OHMS
36
145
580
2300
VDC
6
12
24
48
VDC
6
12
24
48
OHMS
144
OHMS
72
OHMS
288
94
360
1440
5760
576
2300
288
1152
4600
384
1536
1152
3300
Must operate at 80% of nominal voltage @ 25˚C
Must operate at 70% of nominal voltage @ 25˚C
Options RR only - Preformed leads welded lead extensions.
CONTACT DATA RR SERIES
CONTACT DATA MRR SERIES
Material - Rhodium on Dry Reeds
Material - Rhodium on Dry Reeds
Contacts
1-4PST-NO
SPST-NC
Max. VDC
250
Max. AMPS
Contacts
1-4PST-NO
Max. VDC
Max. mA
500
VA
15
15
VA
10
1.0
1.0
200
250
NOTE: Voltage, Current, and Power ratings in the tables above are independent maximums and no single value
is to be exceeded. Ratings are based on noninductive, straight resistive, AC or DC loads without inrush. Other
loads require contact protection and /or de-rating.
Struthers-Dunn
ORDERING CODE
Typical Type No.
MRR or RR 2A
-12D
Series
MRR- 0.1" Lead spacing
RR- 0.2" Lead spacing
Contact Arrangements
1A - SPST-NO
2A - DPST-NO
3A - 3PST-NO
4A - 4PST-NO
1B - SPST-NC (RR series Only)
Coil Voltage (DC only)
DC: 6, 12, 24, 48 (Add "D")
(5 volt and other voltages available)
PAGE 86
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