General Purpose Relay
MJN
Relay with Plug-in Termination, available
in SPDT, DPDT or 3PDT models
•
Rugged power driver offers superior 3/16” through-air
and 3/8 over-surface spacing
•
Interlocked frame and contact block prevent contact
misalignment during plug-in
•
Available with dust covers, indicator lamps and
push-to-operate buttons
•
UL and CSA recognition as motor controllers up to 600 VAC
•
Recognized for 1/2 hp motor control applications at 240/
480/600 VAC (1/3 hp at 120 VAC)
Ordering Information
To Order: Select part number and add the desired coil voltage rating (e.g. MJN1C-AC24).
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General Purpose Relay
MJN
1
Specifications
Contact Data
Configuration
Materials
Initial contact resistance
Contact UL ratings
10 A
20 A
UL recognized file number
30 A
SPDT, DPDT, 3PDT
50 m
3/16” diameter Ag-Alloy
max.
20 amp @28 VDC and 120/240/277 VAC, 10 amp @ 480/600 VAC, 3/4 hp @ 120 VAC, 1-1/2 hp
@ 240 VAC, 17 FLA - 65 LRA at 300VAC
30 amp @ 28 VDC, 15 amp @ 480 / 600 VAC, 1hp @ 120 VAC, 1-1/2 hp @ 240 VAC
E196745
10 amp @ 28 VDC and 120/240 VAC at 80% pf, 1/3 hp @ 120 VAC, 1/2 hp @ 277/240/480/600 VAC
8.5 FLA - 36 LRA at 18 VDC, 3 amp @ 480/600 VAC at 80% pf, 10 amp @ 277 VAC resistive
Non-latching - AC
Nominal
voltage
120 VAC
24 VAC
1 & 2 PDT
2,250
75
Resistance in Ohms
72
3PDT
1,700
10%
1 & 2 PDT
1.7 VA
Nominal coil power
3PDT
Coil
voltages
6 to 240 VAC
50/60 Hz
Insulation
resistance
1,000 M
min. @ 500
VDC
Pick up voltage at
25 C (77 F)
85% of nominal
Coil Data
2.0 VA
240 VAC
9,100
7,200
Non-latching - DC
Nominal
voltage
12 VDC
24 VDC
110 VDC
48 VDC
Resistance in Ohms
120
470
1,800
10%
Nominal coil power
1.2 W
Coil
voltages
5 to 110 VDC 1,000 M
min. @ 500
VDC
Insulation
resistance
Pick up voltage at
25 C (77 F)
75% of nominal
10,000
Latching - AC
Nominal
voltage
24 VAC
120 VAC
Latch coil
resistance in
Ohms 10%
88
2,090
Unlatch coil
resistance in
Ohms 10%
1,740
17,430
Nominal coil power
1.7 VA
2.0 VA
Coil
voltages
6 to 240 VAC
50/60 Hz
Insulation
resistance
1,000 M
min. @ 500
VDC
Operate voltage
(latch/unlatch) at 25 C (77 F)
(see note)
85% of nominal
Note:
120% of nominal or greater (one second duration single pulse) unlatch voltage - - above this the relay latches again.
Maximum continuous voltage: 120% of nominal (one coil only).
2
General Purpose Relay
MJN
Latching - DC
Nominal
voltage
24 VDC
12 VDC
Latch coil
resistance in
Ohms 10%
Unlatch coil
resistance in
Ohms 10%
Nominal coil power
1.2 W
Coil
voltages
Insulation
resistance
Operate voltage
(latch/unlatch) at 25 C (77 F)
(see note)
110 VDC
48 VDC
330
80
5,125
1,290
1,070
275
10,750
2,850
5 to 110 VDC 1,000 M
min. @ 500
VDC
75% of nominal
Note:
120% of nominal or greater (one second duration single pulse) unlatch voltage - - above this the relay latches again.
Maximum continuous voltage: 120% of nominal (one coil only).
Characteristics
Operate time
Latch time
Release time
15 ms nominal; 20 ms maximum
13 ms nominal with a one second pulse of nominal voltage (See note)
6 ms nominal; 10 ms maximum
Unlatch time
Operating
ambient
temperature
AC: 1 & 2 pole
AC: 3 pole
DC: 1, 2 & 3
pole
Duty cycle
Vibration
Insulation material
Operating
Operating
Storage
-45 to 60 C (-49 to 140 F)
-45 to 45 C (-49 to 113 F)
13 ms nominal with a one second pulse of nominal unlatch voltage after latching with
a one second pulse of nominal latching voltage (See note)
-65 to 100 C (-85 to 212 F)
Storage
Operating
Storage
High quality phenolic
-65 to 100 C (-85 to 212 F)
Rated for continuous duty operation at 25% overvoltage
-45 to 70 C (-49 to 158 F)
-65 to 100 C (-85 to 212 F)
Shock
15 g’s 11 1 ms (non-operating test, no mechanical damage)
Electrical at
rated load
Mechanical
100,000 operations
Life expectancy
0.1” DA or 10 g’s, 10 to 55 Hz (operating test, no contact chatter)
10,000,000 operations
Dielectric strength
Terminals
Weight
Greater than 750 VAC, RMS 60 Hz across open contacts
Greater than 2,500 VAC, RMS 60 Hz all other mutually insulated elements
Quick Connect
64 g (2.3 oz) open relay
54 g (3.0 oz) enclosed relay
Note:
A latch pulse of 50 ms minimum at nominal voltage is recommended to insure positive latching.
General Purpose Relay
MJN
3
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Terminal Arrangement
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4
General Purpose Relay
MJN
Dimensions
Unit: mm (inch)
Flanges type
MJN CF / MJN1Z-E-RP / MJN2CE
35.56
(1.400)
max.
1.77
(0.07)
9.53
(0.38)
63.50
(2.50)
73.66
(2.90) max.
48.38
(1.905)
max.
15.74
(0.62)
19.05
(0.75)
7.87
(0.31)
Relays
Plug-in type
MJN C(-**) / MJN2CK
48.38
(1.905) max.
1.52
(0.06)
2.03
(0.08)
Typ. 2
38.73
(1.525)
max.
10.54
(0.415)
7.11
(0.28)
35.56
(1.400) max.
38.73
(1.525) max.
7.11
(0.28)
*Regarding terminal arrangement, please see the previous page
Terminal-10 Amp Version
4.75
(0.187)
6.35
(0.250)
1.98
(0.078)
0.51
(0.020)
Hold Down Springs
C
7.11
(0.280) ref.
3.18
(0.125)
A
B
Note:
Mates with .187” UL standard quick-connect
terminals; also suitable for solder connection.
Hold Down Springs Dimensional Reference chart
Terminal-20 and 30 Amp Versions
6.35±
.
05
(.25±
.
002)
0.81
± .07
(.032
±
.003)
Part number
PYMJN-PCB
8.00
(.315)
PYMJN-S
Reference
dimension
A
B
C
A
B
C
Actual
dimension
58.67 (2.31)
53.82 (2.12)
37.08 (1.46)
58.67 (2.31)
53.59 (2.11)
40.26 (1.59)
3.17 dia.
(.125 dia.)
General Purpose Relay
MJN
5
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