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SERIES
MRR & RR
AXIAL LEAD, SHIELDED REED RELAY
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)
ORDERING CODE
Typical Type No.
Struthers-Dunn
Contact Material:
Ambient Temperature:
Dielectric Strength:
Insulation Resistance:
Capacitance:
Shock Resistance:
Vibration Resistance:
Operate & Release Time:
Life:
VDC
6
12
24
48
Must operate at 70% of nominal voltage @ 25C
OHMS
288
1152
4600
DPST-NO 4PST-NO 12PST-NO
OHMS
144
576
2300
1152
3300
OHMS
24
94
384
1536
OHMS
72
288
SPST-NO
COIL DATA MRR SERIES
Coil Resistance & Nominal Voltage Measured
at
±
10% @ 25C.
Must operate at 80% of nominal voltage @ 25C
Options RR only -
Preformed leads welded lead extensions.
SPST-NO or NC
OHMS
VDC
6
12
24
48
90
360
1440
5760
OHMS
36
145
580
2300
DPST-NO
OHMS
24
94
384
1536
4PST-NO
COIL DATA RR SERIES
Coil Resistance & Nominal Voltage Measured
at
±
10% @ 25C.
Contacts
1-4PST-NO
Max. VDC
200
Max. mA
500
VA
10
CONTACT DATA MRR SERIES
Material - Rhodium on Dry Reeds
Contacts
1-4PST-NO
SPST-NC
CONTACT DATA RR SERIES
Material - Rhodium on Dry Reeds
Max. VDC
250
250
VA
15
15
Max. AMPS
1.0
1.0
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.
SPECIFICATIONS MRR & RR
Rhodium
- 40C to + 85C
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
MRR - 20 G's to 2000 Hz
RR - 10 G's to 450 Hz
2 to 10 Milliseconds based on the
amount of contacts.
10 Million operations at rated load
200 Million operations no load