MDR series
10 Amp Rotary Relay
For Demanding Shock &
Vibration Applications
Small 4PDT Medium 24PDT
Features Operate Data @ 25C
Type Typ. Operate Time (ms) Typ. Release Time (ms)
AC and DC coils, latching and non-latching.
4PDT through 24PDT contact arrangements. Small AC Non-Latching 5 to 12 5 to 18
Small DC Non-Latching 15 to 30 5 to 15
Contacts will not chatter when relays are subjected to high-impact shock
Small AC Latching 6 to 12 N/A
blows of 2000 ft.-lbs.
Small DC Latching 10 to 16 N/A
Medium AC Non-Latching 6 to 12 6 to 20
Medium DC Non-Latching 65 to 90 10 to 30
Contact Data
Medium AC Latching 8 to 14 N/A
Arrangements: 4 Form C (4PDT) through 24 Form C (24PDT).
Medium DC Latching 30 to 80 N/A
Contact Ratings
Latching Two-Position Types: Except for the latching feature, MDR
Single Contacts Two Contacts in Series latching relays utilize the same general construction as non-latching types.
They have two sets of coils and provide a latching two-position operation.
10A, 115VAC 3A, 440VAC
3A, 28VDC 15A, 115VAC
L
M K
0.8A, 125VDC 1.5A, 125VDC
1
3
The above AC contact ratings are based on contact loads having a 50% power factor. The DC
Contacts Shown With J
A
Coil Coil
contact ratings are based on resistive loads. Coil 1-2 De-Energized and
B
H
Coil 3-4 Energized.
Contact Section G
C
2
4
Coils Must be Energized Alternately,
F
D
E
Not Simultaneously
Environmental Data
Temperature Range: Standard models: 0C to +65C.
Special order models: 0C to +90C.
FIXED
Mechanical Data
CONTACT
Termination: #5-40 screw terminals supplied.
Weight (Approx.):
Small 4 & 8PDT: 32 oz. (0.914 kg); 12PDT: 33 oz. (0.943 kg).
Medium 16PDT: 72 oz. (2.04 kg); 24PDT: 74 oz. (2.10 kg).
Ordering Information and Coil Characteristics No models in this series are maintained in stock.
Type Part Number Contacts Coil Voltage Coil Current DC Coil Coil Power* Breakdown
(60 Hz. for AC) (Amps) Resistance (Ohms) (Watts) (Volts RMS)
Small MDR-131-1 4PDT 115VAC 0.215 66 6.5 1,230
Non - MDR-131-2 4PDT 440VAC 0.045 1,256 5.1 1,880
Latching MDR-135-1 4PDT 28VDC 0.362 76 10.0 1,308
MDR-137-8 4PDT 125VDC 0.082 1,520 10.3 2,375
MDR-134-1 8PDT 115VAC 0.215 66 6.5 1,230
MDR-134-2 8PDT 440VAC 0.045 1,256 5.1 1,880
MDR-136-1 8PDT 28VDC 0.362 76 10.0 1,308
MDR-138-8 8PDT 125VDC 0.082 1,520 10.3 2,375
MDR-163-1 12PDT 115VAC 0.230 62 6.9 1,230
MDR-163-2 12PDT 440VAC 0.055 940 6.3 1,880
Medium MDR-170-1 16PDT 115VAC 0.620 8.4 17.0 1,230
Non - MDR-170-2 16PDT 440VAC 0.160 107 17.0 1,880
Latching MDR-172-1 16PDT 28VDC 0.667 42 18.7 1,308
MDR-173-1 16PDT 125VDC 0.125 1,024 16.0 2,375
MDR-141-1 24PDT 115VAC 0.620 8.4 17.0 1,230
MDR-141-2 24PDT 440VAC 0.160 107 17.0 1,880
MDR-167-1 24PDT 28VDC 0.667 42 18.7 1,308
MDR-142-1 24PDT 125VDC 0.125 1,024 16.0 2,375
Small MDR-67-2 4PDT 115VAC 0.150 210 5.5 1,230
Latching MDR-4091 4PDT 440VAC 0.020 4,500 3.0 1,880
MDR-67-3 4PDT 28VDC 0.778 36 21.8 1,308
MDR-5060 4PDT 125VDC 0.164 760 20.6 2,375
MDR-4076 8PDT 115VAC 0.150 210 5.5 1,230
MDR-4092 8PDT 440VAC 0.020 4,500 3.0 1,880
MDR-5035 8PDT 28VDC 0.778 36 21.8 1,308
MDR-5061 8PDT 125VDC 0.164 760 20.6 2,375
Medium MDR-6064 12PDT 115VAC 0.380 24 12.0 1,230
Latching MDR-6065 12PDT 440VAC 0.055 540 5.7 1,880
MDR-7020 12PDT 28VDC 0.316 88.6 8.8 1,308
MDR-7035 12PDT 125VDC 0.083 1,500 10.4 2,375
MDR-66-4 16PDT 115VAC 0.380 24 12.0 1,230
MDR-6066 16PDT 440VAC 0.055 540 5.7 1,880
MDR-7025 16PDT 28VDC 0.316 88.6 8.8 1,308
MDR-7036 16PDT 125VDC 0.083 1,500 10.4 2,375
* Actual Wattmeter readingsG
J
H
K
J
L
K
M
L
A
M
B
Outline Dimensions
Tolerances: Decimals .010 ( .25) Unless Otherwise Specified
Small Models
.196 .005 DIA.
(4.98 .13)
Overall Height
3
4 HOLES
4PDT 3.13" (79.5mm) Max.
2
8PDT 3.53" (89.7mm) Max.
1 12PDT 3.88" (98.6mm) Max.
Coil and Contact Terminal Screws #5-40 Supplied
2.125
2.625
(53.98)
(66.68)
12
COIL
2.125
(53.98)
2.625
(66.68)
Medium Models
.281 .005 DIA.
(7.14 .13)
4 HOLES
6
5
Overall Height
4
12PDT 4.63" (117.6mm) Max.
16PDT 5.00" (127.0mm) Max.
3
24PDT 5.75" (146.1mm) Max.
2
3.250
1 Coil and Contact Terminal Screws #5-40 Supplied
(82.55)
4.190
(106.43)
12
3.250
(82.55)
4.190
COIL
(106.43)
Tyco Electronics Corporation - P&B, Winston-Salem, NC 27102
Technical Support Center: 1-800-522-6752, www.pandbrelays.com
Specifications and availability subject to change without notice.
13C6370 Printed in U.S.A. IH/5-01
A
C
B
C
D
E
D
F
E
F
G
H