General-purpose Relays
MK-S
(New Models)
CSM_MK-S_DS_E_6_1
New Super MK Relays.
Models with Latching Lever Added to
the Series.
• Same mounting and internal wiring as the previous Super
MK Relays
• Built-in mechanical indicator enables checking contact
operation.
• Two modes can be used to check circuits for models with
latching lever.
• Nameplate provided on models with latching lever.
• All materials are RoHS compliant.
• UL and IEC (TÜV) certification.
Features
Models with Latching Lever
Operation indicator
*
Nameplate
Mechanical indicator
Latching lever
DC: Blue
AC: Red
Yellow
button
Operating Method for Latching Lever
Relay in
Normal Operation
For Momentary
Operation
For Lock
Operation
*
The operation indicator is built in only on specified models.
Example of Applications of Models with Latching
Levers
Operation checks in relay sequence circuits
Model Number Structure
Model Number Legend
MKS@@@@@-@-@
1 2 3 4 5
1. Contact Form
2: DPDT
3: 3PDT
2. Terminals
P: Plug-in
3. Mechanical Indicator/Test Button
Blank: Mechanical indicator
I:
Mechanical indicator and lockable test button
4. LED Indicator
Blank: Standard
N:
LED indicator
Slide the latching lever
to the first position,
then press the yellow
button with
an
insulated tool to
operate the contact.
Slide the latching
lever to the second
position.
(The contact is now in
the locked position.)
6
7
5. Coil Polarity
Blank: Standard
1:
Reverse polarity (DC coil only)
6. Surge Absorption
Blank: Standard
D:
Surge absorber diode (DC coil only)
V:
Surge absorber varistor (AC coil only)
7. Internal Connections
Blank: Standard
2 or 5: Non-standard connections (Refer to
“Terminal
Arrangement and Internal Connection (Bottom View)”.)
8. Rated Voltage
(Refer to
“Coil Ratings”.)
1
MK-S
Ordering Information
List of Models
Type
Terminals
Contact
form
DPDT
Standard
Models
3PDT
Internal connections
(See note 3.)
Standard
Non-standard
Standard
Non-Standard
Standard
Non-standard
Standard
3PDT
Non-Standard
Standard
Non-standard
Standard
3PDT
Plug-in
DPDT
Models with
LED Indicator
and Diode
Non-Standard
Standard
Non-standard
Standard
3PDT
Non-Standard
Standard
Non-standard
Standard
3PDT
Non-Standard
Standard
Non-standard
Standard
3PDT
Non-Standard
With mechanical indicator
MKS2P
MKS2P-2
MKS3P
MKS3P-2
MKS3P-5
MKS2PN(1)
MKS2PN(1)-2
MKS3PN(1)
MKS3PN(1)-2
MKS3PN(1)-5
MKS2P(1)-D
MKS2P(1)-D-2
MKS3P(1)-D
MKS3P(1)-D-2
MKS3P(1)-D-5
MKS2PN-D
MKS2PN-D-2
MKS3PN-D
MKS3PN-D-2
MKS3PN-D-5
MKS2P-V
MKS2P-V-2
MKS3P-V
MKS3P-V-2
MKS3P-V-5
MKS2PN-V
MKS2PN-V-2
MKS3PN-V
MKS3PN-V-2
MKS3PN-V-5
With mechanical indicator
Coil ratings
and lockable test button
MKS2PI
MKS2PI-2
MKS3PI
MKS3PI-2
MKS3PI-5
MKS2PIN(1)
MKS2PIN(1)-2
MKS3PIN(1)
MKS3PIN(1)-2
MKS3PIN(1)-5
MKS2PI(1)-D
MKS2PI(1)-D-2
MKS3PI(1)-D
MKS3PI(1)-D-2
MKS3PI(1)-D-5
MKS2PIN-D
MKS2PIN-D-2
MKS3PIN-D
MKS3PIN-D-2
MKS3PIN-D-5
MKS2PI-V
MKS2PI-V-2
MKS3PI-V
MKS3PI-V-2
MKS3PI-V-5
MKS2PIN-V
MKS2PIN-V-2
MKS3PIN-V
MKS3PIN-V-2
MKS3PIN-V-5
AC
AC
DC
DC
AC/DC
AC/DC
DPDT
Models with
LED Indicator
(See note 2.)
DPDT
Models with
Diode
(See note 2.)
DPDT
Models with
Varistor
DPDT
Models with
LED Indicator
and Varistor
Note: 1.
When ordering, add the rated
voltage
to the model number. Rated
voltages
are given in the coil ratings table in the specifications.
Example: MKS3P 24
VDC
Rated
voltage
2.
The DC coil comes in two types: standard coil polarity and reverse coil polarity.
Refer to
Terminal Arrangement and Internal Connections (Bottom
View).
Example: MKS2PIN1-2 24
VDC
Reverse coil polarity
3.
Refer to
Terminal Arrangement and Internal Connections (Bottom
View)
for non-standard internal
connections.
List of Models (Order Separately)
Item
8-pin
Track-mounted
Socket
11-pin
8-pin
11-pin
Hold-down Clip
(For PF083A-E and PF113A-E)
Type
Model
PF083A-E
PF113A-E
PF083A-D
PF113A-D
PFC-A1
2
MK-S
Characteristics
100 mΩ max.
AC: 20 ms max.
Operate time
DC: 30 ms max.
Release time
20 ms max. (40 ms max. for built-in Diode Relays)
Mechanical: 18,000 operations/h
Max. operating frequency
Electrical: 1,800 operations/h (under rated load)
Insulation resistance
100 MΩ min. (at 500 VDC)
2,500 VAC 50/60 Hz for 1 min between coil and contacts
Dielectric strength
1,000 VAC 50/60 Hz for 1 min between contacts of same polarity and terminals of the same polarity
2,500 VAC 50/60 Hz for 1 min between current-carrying parts, non-current-carrying parts, and opposite polarity
Insulation method
Basic insulation
4.5 kV between coil and contacts (with 1.2
×
50
μs
impulse wave)
Impulse withstand voltage
3.0 kV between contacts of different polarity (with 1.2
×
50
μs
impulse wave)
Pollution degree
3
Rated insulation voltage
250 V
Destruction: 10 to 55 to 10 Hz, 0.75-mm single amplitude (1.5-mm double amplitude)
Vibration resistance
Malfunction: 10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude)
Destruction: 1,000 m/s
2
(approx. 100 G)
Shock resistance
Malfunction: 100 m/s
2
(approx. 10 G)
Mechanical: 5,000,000 operations min. (at 18,000 operations/h under rated load)
Endurance
Electrical: 100,000 operations h. (at 1,800 operations/h under rated load)
Failure rate P level (reference value)
10 mA at 1 VDC
Ambient temperature
Operating: –40 to 60°C (with no icing or condensation)
Ambient humidity
Operating: 5% to 85%
Weight
Approx. 90 g
Note: 1.
The values given above are initial values.
2.
P level:
λ
60
= 0.1
×
10
-6
/operation
3.
Ambient temperature of models with LED indicator is
−25
to 60°C.
Contact resistance
Approved Standards
UL508 (File No. E41515)
Contact ratings
Operations
10 A, 250 V AC 50/60 Hz (Resistive)
N.O.
10 A, 30 V DC (Resistive)
100,000
contact
7 A, 250 V AC 50/60 Hz (General Use)
6 to 110 VDC
6 to 240 VAC
10 A, 250 V AC 50/60 Hz (Resistive)
N.C.
100,000
10 A, 30 V DC (Resistive)
contact
7 A, 250 V AC 50/60 Hz (General Use)
Coil ratings
IEC Standard/TÜV Certification: IEC61810-1
(Certification No. R50104853)
Coil ratings
6, 12, 24, 48,
100, 110 VDC
6, 12, 24, 100,
110, 200, 220,
240 VAC
N.O.
contact
N.C.
contact
Contact ratings
Operations
10 A, 250 V AC 50/60 Hz (Resistive)
10 A, 30 V DC (Resistive)
100,000
7 A, 250 V AC 50/60 Hz (General Use)
5 A, 250 V AC 50/60 Hz (Resistive)
5 A, 30 V DC (Resistive)
100,000
7 A, 250 V AC 50/60 Hz (General Use)
CSA Standard: CSA C22.2 No. 14 (File No. LR35535)
Coil ratings
Number of
Poles
2
6 to 125 VDC
6 to 240 VAC
3
Contact ratings
10 A, 250 V AC (Resistive)
10 A, 30 V DC (Resistive)
7 A, 250 V AC (General Use)
10 A, 250 V AC (Resistive)
Same Polarity
10 A, 30 V DC (Resistive)
Same Polarity
7 A, 250 V AC (General Use)
Same Polarity
Operations
100,000
Note:
When Relays are mounted on the PF083A-E or PF113A-E, the
maximum carrying current is 9 A.
100,000
Engineering Data
Reference Data
Maximum Switching Power
Switching current (A)
100
Rated Carry Current vs. Ambient Rated Temperature
Rated carry current (A)
50
30
DC resistive load
with NO
contact
10
AC resistive load
with NO
contact
10
UL derating curve
5
5
3
DC resistive
load
with
NC
contact
1
10
30
AC resistive load
with NC
contact
AC inductive
load
(cosφ = 0.4)
50
100
300
500 1.000
0
−40
−20
0
20
40
60
80
Switching
voltage
(V)
Ambient temperature (°C)
Note:
The lower limit of the ambient operating temperature for models with built-in operation indicators is
−25°C.
4
MK-S
Dimensions
Models without Latching Lever
Models with Latching Lever
(Unit: mm)
34.5 max.
34.5 max.
34.5 max.
0.8
52.5 max.
34.5 max.
0.8
52.5 max.
Sockets
See below for Socket dimensions.
Socket
Maximum carry
current
Surface-mounting Socket (for track or screw mounting)
Finger-protection models
10 A
PF083A-E
2 poles
PF083A-D
5A
PF083A
---
PF113A-E
3 poles
PF113A-E-D
PF113A
Note:
Use the Surface-mounting Sockets (i.e., finger-protection models) with “-E” at the end of the model number.
When
using the PF083A and
PF113A, be sure not to exceed the Socket's maximum carry current of 5 A. Using at a current exceeding 5 A may lead to burning. Round
terminals cannot be used for finger-protection models. Use Y-shaped terminals.
PF083A-E (Conforming to EN 50022)
Eight, M3.5
×
7 sems
7
4
PF113A-E (Conforming to EN 50022)
Terminal Arrangement
Eleven, M3.5
×
7 sems
7
4
Terminal Arrangement
52 max.
35.4
52 max.
3.5
2
21 max.
35.4
33
41 max.
Mounting Holes
Two, M4 or two 4.5-dia. holes
4
34
42.8 max.
3.5
2
31 max.
Mounting Holes
Two, M4 or two 4.5-dia. holes
33±0.2
33±0.2
5
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