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)
R
C
Ordering Information
To Order: Select part number and add the desired coil voltage rating (e.g. MJN1C-AC24).
Item
Type
Terminal
Contact form
Model
10A Version,
flange
mounting
MJN1CF
MJN2CF
MJN3CF
MJN1CF-N*
MJN2CF-N*
MJN3CF-N*
MJN1CF-I*
MJN2CF-I*
MJN3CF-I*
MJN1CF-IN*
MJN2CF-IN*
MJN3CF-IN*
---
20 A Version,
flange
mounting
---
MJN2CE
---
---
---
---
---
---
---
---
---
---
---
30A Version,
flange
mounting
MJN1Z-E-RP
---
---
---
---
---
---
---
---
---
---
---
---
10 A Relay only
Standard
Plug-in
SPDT
DPDT
3PDT
MJN1C
MJN2C
MJN3C
MJN1C-N
MJN2C-N
MJN3C-N
MJN1C-I
MJN2C-I
MJN3C-I
MJN1C-IN
MJN2C-IN
MJN3C-IN
MJN2CK
LED indicator
Plug-in
SPDT
DPDT
3PDT
Push-to-operate
button
Push-to-operate
button & LED indi-
cator
Latching
Plug-in
SPDT
DPDT
3PDT
Plug-in
SPDT
DPDT
3PDT
Plug-in
DPDT
Note:
All part numbers marked with an “*” are non-standard parts. Contact an Omron representative for additional information.
General Purpose Relay
MJN
317
Specifications
■
Contact Data
Configuration
Initial contact resistance
Materials
Contact UL ratings
10 A
20 A
30 A
UL recognized file number
SPDT, DPDT, 3PDT
50 mΩ max.
3/16” diameter Ag-Alloy
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
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
E41643
■
Coil Data
Non-latching - AC
Nominal
voltage
6 VAC
12 VAC
24 VAC
120 VAC
240 VAC
Resistance in Ohms
±
10%
1 & 2 PDT
6.0
21
75
2,250
9,100
3PDT
4.2
18
72
1,700
7,200
Nominal coil power
1 & 2 PDT
1.7 VA
3PDT
2.0 VA
Coil
voltages
6 to 240 VAC
50/60 Hz
Insulation
resistance
1,000 MΩ
min. @ 500
VDC
Pick up voltage at
25°C (77°F)
85% of nominal
Non-latching - DC
Nominal
voltage
5 VDC
6 VDC
12 VDC
24 VDC
48 VDC
110 VDC
Resistance in Ohms
±
10%
20
32
120
470
1,800
10,000
Nominal coil power
1.2 W
Coil
voltages
Insulation
resistance
Pick up voltage at
25°C (77°F)
75% of nominal
5 to 110 VDC 1,000 MΩ
min. @ 500
VDC
Latching - AC
Nominal
voltage
6 VAC
12 VAC
24 VAC
120 VAC
Latch coil
resistance in
Ohms
±
10%
5.5
22
88
2,090
Unlatch coil
resistance in
Ohms
±
10%
105
445
1,740
17,430
Nominal coil power
Coil
voltages
6 to 240 VAC
50/60 Hz
Insulation
resistance
1,000 MΩ
min. @ 500
VDC
Operate voltage
(latch/unlatch) at 25°C (77°F)
(see note)
85% of nominal
1.7 VA
2.0 VA
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).
318
General Purpose Relay
MJN
Latching - DC
Nominal
voltage
5 VDC
6 VDC
12 VDC
24 VDC
48 VDC
110 VDC
Latch coil
resistance in
Ohms
±
10%
14
20
80
330
1,290
5,125
Unlatch coil
resistance in
Ohms
±
10%
45
64
275
1,070
2,850
10,750
Nominal coil power
Coil
voltages
Insulation
resistance
Operate voltage
(latch/unlatch) at 25°C (77°F)
(see note)
75% of nominal
1.2 W
5 to 110 VDC 1,000 MΩ
min. @ 500
VDC
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
Release time
Latch time
Unlatch time
Operating
ambient
temperature
AC: 1 & 2 pole
AC: 3 pole
DC: 1, 2 & 3
pole
Insulation material
Duty cycle
Shock
Vibration
Life expectancy
Electrical at
rated load
Mechanical
Dielectric strength
Terminals
Weight
Operating
Storage
Operating
Storage
Operating
Storage
15 ms nominal; 20 ms maximum
6 ms nominal; 10 ms maximum
13 ms nominal with a one second pulse of nominal voltage (See note)
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)
-45° to 60°C (-49° to 140°F)
-65° to 100°C (-85° to 212°F)
-45° to 45°C (-49° to 113°F)
-65° to 100°C (-85° to 212°F)
-45° to 70°C (-49° to 158°F)
-65° to 100°C (-85° to 212°F)
High quality phenolic
Rated for continuous duty operation at 25% overvoltage
15 g’s 11±1 ms (non-operating test, no mechanical damage)
0.1” DA or 10 g’s, 10 to 55 Hz (operating test, no contact chatter)
100,000 operations
10,000,000 operations
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
319
Terminal Arrangement
■
Non-Latching
Reference only
2
1
2
1
2
3
5
7
A
B
3
5
A
4
6
B
4
7
A
5
8
6
9
B
1 Form C (SPDT)
2 Form C (DPDT)
3 Form C (3PDT)
■
Latching / Unlatching
2
1
3
5
4
6
C*
7
9
7
C*
8
9
A
B
A
B
UNLATCH
LATCH
UNLATCH
LATCH
1 Form C (SPDT)
2 Form C (DPDT)
* C denoted common connection. On 3-pole relays the common connection is a
wire
lead coming off of the coil. It is
not terminated to the relay header. Consult your Omron representative for single coil or isolated double coil models.
320
General Purpose Relay
MJN
Dimensions
Unit: mm (inch)
■
Relays
MJN
@
CF/MJN2CE
Dust cover with mounting flanges
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)
15.74
(0.62)
19.05
(0.75)
7.87
(0.31)
Dust cover MJN
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)
■
Terminal-10 Amp Version
4.75
(0.187)
6.35
(0.250)
1.98
(0.078)
0.51
(0.020)
■
Hold Down Springs
C
A
7.11
(0.280) ref.
3.18
(0.125)
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
PYMJN-S
8.00
(.315)
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
321
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