MDR
series
10 Amp Rotary Relay
For Demanding Shock &
Vibration Applications
Small 4PDT
Medium 24PDT
Features
• AC and DC coils, latching and non-latching.
• 4PDT through 24PDT contact arrangements.
• Contacts will not chatter when relays are subjected to high-impact shock
blows of 2000 ft.-lbs.
Operate Data @ 25°C
Type
Small AC Non-Latching
Small DC Non-Latching
Small AC Latching
Small DC Latching
Medium AC Non-Latching
Medium DC Non-Latching
Medium AC Latching
Medium DC Latching
Typ. Operate Time (ms) Typ. Release Time (ms)
5 to 12
5 to 18
15 to 30
5 to 15
6 to 12
N/A
10 to 16
N/A
6 to 12
6 to 20
65 to 90
10 to 30
8 to 14
N/A
30 to 80
N/A
Contact Data
Arrangements:
4 Form C (4PDT) through 24 Form C (24PDT).
Contact Ratings
Single Contacts
10A, 115VAC
3A, 28VDC
0.8A, 125VDC
Two Contacts in Series
3A, 440VAC
15A, 115VAC
1.5A, 125VDC
Latching Two-Position Types:
Except for the latching feature, MDR
latching relays utilize the same general construction as non-latching types.
They have two sets of coils and provide a latching two-position operation.
M
Contacts Shown With
Coil 1-2 De-Energized and
Coil 3-4 Energized.
L
K
1
3
Coil
The above AC contact ratings are based on contact loads having a 50% power factor. The DC
contact ratings are based on resistive loads.
A
B
C
D
E
F
J
H
G
Coil
Contact Section
2
Coils Must be Energized Alternately,
Not Simultaneously
4
Environmental Data
Temperature Range: Standard models:
0°C to +65°C.
Special order models:
0°C to +90°C.
FIXED
CONTACT
Mechanical Data
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
Small
Non -
Latching
Part Number
MDR-131-1
MDR-131-2
MDR-135-1
MDR-137-8
MDR-134-1
MDR-134-2
MDR-136-1
MDR-138-8
MDR-163-1
MDR-163-2
MDR-170-1
MDR-170-2
MDR-172-1
MDR-173-1
MDR-141-1
MDR-141-2
MDR-167-1
MDR-142-1
MDR-67-2
MDR-4091
MDR-67-3
MDR-5060
MDR-4076
MDR-4092
MDR-5035
MDR-5061
MDR-6064
MDR-6065
MDR-7020
MDR-7035
MDR-66-4
MDR-6066
MDR-7025
MDR-7036
Contacts
4PDT
4PDT
4PDT
4PDT
8PDT
8PDT
8PDT
8PDT
12PDT
12PDT
16PDT
16PDT
16PDT
16PDT
24PDT
24PDT
24PDT
24PDT
4PDT
4PDT
4PDT
4PDT
8PDT
8PDT
8PDT
8PDT
12PDT
12PDT
12PDT
12PDT
16PDT
16PDT
16PDT
16PDT
Coil Voltage
(60 Hz. for AC)
115VAC
440VAC
28VDC
125VDC
115VAC
440VAC
28VDC
125VDC
115VAC
440VAC
115VAC
440VAC
28VDC
125VDC
115VAC
440VAC
28VDC
125VDC
115VAC
440VAC
28VDC
125VDC
115VAC
440VAC
28VDC
125VDC
115VAC
440VAC
28VDC
125VDC
115VAC
440VAC
28VDC
125VDC
Coil Current
(Amps)
0.215
0.045
0.362
0.082
0.215
0.045
0.362
0.082
0.230
0.055
0.620
0.160
0.667
0.125
0.620
0.160
0.667
0.125
0.150
0.020
0.778
0.164
0.150
0.020
0.778
0.164
0.380
0.055
0.316
0.083
0.380
0.055
0.316
0.083
DC Coil
Resistance (Ohms)
66
1,256
76
1,520
66
1,256
76
1,520
62
940
8.4
107
42
1,024
8.4
107
42
1,024
210
4,500
36
760
210
4,500
36
760
24
540
88.6
1,500
24
540
88.6
1,500
Coil Power*
(Watts)
6.5
5.1
10.0
10.3
6.5
5.1
10.0
10.3
6.9
6.3
17.0
17.0
18.7
16.0
17.0
17.0
18.7
16.0
5.5
3.0
21.8
20.6
5.5
3.0
21.8
20.6
12.0
5.7
8.8
10.4
12.0
5.7
8.8
10.4
Breakdown
(Volts RMS)
1,230
1,880
1,308
2,375
1,230
1,880
1,308
2,375
1,230
1,880
1,230
1,880
1,308
2,375
1,230
1,880
1,308
2,375
1,230
1,880
1,308
2,375
1,230
1,880
1,308
2,375
1,230
1,880
1,308
2,375
1,230
1,880
1,308
2,375
Medium
Non -
Latching
Small
Latching
Medium
Latching
* Actual Wattmeter readings
Outline Dimensions
Tolerances: Decimals
±
.010 (± .25) Unless Otherwise Specified
Small Models
.196 ± .005 DIA.
(4.98 ± .13)
4 HOLES
3
2
1
Overall Height
4PDT 3.13" (79.5mm) Max.
8PDT 3.53" (89.7mm) Max.
12PDT 3.88" (98.6mm) Max.
Coil and Contact Terminal Screws #5-40 Supplied
D
E
F
A
B
C
2.125
(53.98)
2.625
(66.68)
Medium Models
E
D
M
A
B
C
3.250
(82.55)
4.190
(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
F
G
2.125
(53.98) 2.625
(66.68)
1
G
H
H
J
K
L
M
2
COIL
.281 ± .005 DIA.
(7.14 ± .13)
4 HOLES
6
5
4
3
2
1
Overall Height
12PDT 4.63" (117.6mm) Max.
16PDT 5.00" (127.0mm) Max.
24PDT 5.75" (146.1mm) Max.
Coil and Contact Terminal Screws #5-40 Supplied
J
K
3.250
(82.55)
4.190
(106.43)
L
1
2
COIL
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