General-purpose Relay
MK-I/-S
Exceptionally Reliable General-purpose
Relay Features Mechanical Indicator/Push
Button
• Breaks relatively large load currents despite small size.
• Long life (minimum 100,000 electrical operations) assured by
silver contacts.
• Built-in operation indicator (Mechanical, LED), push button, di-
ode surge suppression, varistor surge suppression.
• Standard models are UL, CSA, SEV, DEMKO, NEMKO, SEM-
KO, TÜV (IEC), and VDE.
• Conforming to CENELEC standards.
Model Number Structure
■
Model Number Legend
Standard Models
MK
1
2
3
-
4
-
5
6
1. Contact Form
2: DPDT
3: 3PDT
2. Cover
P: Dust cover
3. Internal Connection Construction
Blank: Standard
2 or 5: Non-standard connection
(Refer to
Terminal Arrangement/
Internal Connections)
4. Mechanical Indicator Push Button
S:
Mechanical indicator and
push button
I:
Mechanical indicator
5. Approved Standards
Blank: UL, CSA, DEMKO, NEMKO
SEMKO, SEV, TÜV
VD:
VDE
6. Rated Voltage
(Refer to
Coil Ratings)
Special Accessories
MK
1
2
3
4
-
5
-
6
-
7
8
1. Contact Form
2: DPDT
3: 3PDT
2. Cover
P: Dust cover
3. Classification
N: LED indicator
D: Diode
V: Varistor
ND: LED indicator and diode
NV: LED indicator and varistor
4. Coil Polarity
Blank: Standard
1:
Reverse
(Refer to
Terminal Arrangement/
Internal Connections)
5. Internal Connection Construction
Blank: Standard
2 or 5: Non-standard connection
(Refer to
Terminal Arrangement/
Internal Connections)
6. Mechanical Indicator Push Button
S:
Mechanical indicator and
push button
I:
Mechanical indicator
7. Approved Standards
Blank: UL and CSA only
VD:
VDE (N and D models only)
8. Rated Voltage
(Refer to
Coil Ratings)
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1
MK-I/-S
Ordering Information
■
List of Models
Type
Terminal
Contact
form
DPDT
3PDT
Internal
connection
(see note 3)
Standard
Non-standard
Standard
Non-standard
LED Indicator
(see note 2)
DPDT
3PDT
Standard
Non-standard
Standard
Non-standard
Diode
(see note 2)
DPDT
3PDT
Standard
Non-standard
Standard
Non-standard
Varistor
DPDT
3PDT
Standard
Non-standard
Standard
Non-standard
VDE approved
DPDT
3PDT
Standard
Non-standard
Standard
Non-standard
LED Indicator
VDE approved
DPDT
3PDT
Standard
Non-standard
Standard
Non-standard
Diode
VDE approved
DPDT
3PDT
Standard
Non-standard
Standard
Non-standard
With mechanical
indicator
MK2P-I
MK2P2-I
MK3P-I
MK3P2-I
MK3P5-I
MK2PN@-I
MK2PN@-2-I
MK3PN@-I
MK3PN@-2-I
MK3PN@-5-I
MK2PD@-I
MK2PD@-2-I
MK3PD@-I
MK3PD@-2-I
MK3PD@-5-I
MK2PV-I
MK2PV-2-I
MK3PV-I
MK3PV-2-I
MK3PV-5-I
MK2P-I-VD
MK2P2-I-VD
MK3P-I-VD
With mechanical
indicator and
pushbutton
MK2P-S
MK2P2-S
MK3P-S
MK3P2-S
MK3P5-S
MK2PN@-S
MK2PN@-2-S
MK3PN@-S
MK3PN@-2-S
MK3PN@-5-S
MK2PD@-S
MK2PD@-2-S
MK3PD@-S
MK3PD@-2-S
MK3PD@-5-S
MK2PV-S
MK2PV-2-S
MK3PV-S
MK3PV-2-S
MK3PV-5-S
MK2P-S-VD
MK2P2-S-VD
MK3P-S-VD
AC (~), DC (=)
UL, CSA, SEV,
DEMKO, NEM-
KO, SEMKO,
TÜV,
VDE
UL, CSA, VDE
AC (~)
UL, CSA
DC (=)
UL, CSA
AC (~), DC (=)
UL, CSA
Coil ratings
Approved
standards
UL, CSA, SEV,
DEMKO, NEM-
KO, SEMKO,
TÜV
Standard
Plug-in
AC (~), DC (=)
MK3P2-I-VD MK3P5- MK3P2-S-VD
I-VD
MK3P5-S-VD
MK2PN-I-VD
MK2PN-2-I-VD
MK3PN-I-VD
MK3PN-2-I-VD
MK3PN-5-I-VD
MK2PD-I-VD
MK2PD-2-I-VD
MK3PD-I-VD
MK3PD-2-I-VD
MK3PD-5-I-VD
MK2PN-S-VD
MK2PN-2-S-VD
MK3PN-S-VD
MK3PN-2-S-VD
MK3PN-5-S-VD
MK2PD-S-VD
MK2PD-2-S-VD
MK3PD-S-VD
MK3PD-2-S-VD
MK3PD-5-S-VD
DC (...)
AC (~), DC (...)
UL, CSA, VDE
Note: 1.
When ordering, add the rated voltage to the model number. Rated voltages are given in the coil ratings table in
Specifications.
Example: MK3P5-S 230 VAC
Rated voltage
2.
This DC coil comes in two types: standard coil polarity and reversed coil polarity. Refer to
Terminal Arrangement/Internal Connections.
Example: MK2PN1-I 24 VDC
Reverse polarity
3.
Refer to
Terminal Arrangement/Internal Connections
for non-standard internal connection.
4.
The gold plating thickness depends on the request.
Example: MK3P-I AP3 24 VAC
Gold plating thickness: 3
μm
■
Accessories (Order Separately)
Item
Track-mounted
Socket
Hold-down Clip
8-pin type
11-pin type
Model
PF083A-E
PF113A-E
PFC-A1
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MK-I/-S
Specifications
■
Coil Ratings
UL, CSA, DEMKO, NEMKO, SEMKO, SEV, TÜV
Rated voltage
AC
(~)
6V
12 V
24 V
50 V
100 V
110 V
120 V
200 V
220 V
230 V
240 V
DC
(=)
6V
12 V
24 V
48 V
100 V
110 V
Rated current
60 Hz
360 mA
180 mA
88.0 mA
39.0 mA
24.8 mA
21.0 mA
18.0 mA
12.1 mA
11.0 mA
10.5 mA
9.2 mA
255 mA
126 mA
56 mA
29.5 mA
14.7 mA
15.1 mA
50 Hz
404 mA
202 mA
98.0 mA
46.3 mA
28.4 mA
24.7 mA
20.2 mA
14.2 mA
12.9 mA
12.3 mA
10.3 mA
3.9
Ω
16.9
Ω
62.0
Ω
330
Ω
1,010
Ω
1,240
Ω
1,520
Ω
4,520
Ω
5,130
Ω
6,170
Ω
6,450
Ω
23.5
Ω
95
Ω
430
Ω
1,630
Ω
6,800
Ω
7,300
Ω
15% min. of rated
voltage
Approx. 1.5 W
Coil resistance
Must operate
voltage
Must release
voltage
Max. voltage
Power
consumption
Approx. 2.3 VA (at
60 Hz)
Approx. 2.7 VA
(at 50 Hz)
80% max. of rated 30% min. of rated 90% to110% of
voltage
voltage
rated voltage
VDE
Rated voltage
AC
(~)
6V
12 V
24 V
50 V
100 V
110 V
120 V
200 V
220 V
230 V
240 V
DC
(=)
6V
12 V
24 V
48 V
100 V
110 V
Rated current
50 Hz
380 mA
175 mA
91.0 mA
42.0 mA
24.0 mA
21.5 mA
20.0 mA
11.2 mA
10.2 mA
9.6 mA
9.4 mA
225 mA
116 mA
56.0 mA
29.0 mA
13.1 mA
12.5 mA
60 Hz
325 mA
145 mA
76.5 mA
36.0 mA
20.5 mA
18.0 mA
17.0 mA
9.4 mA
8.7 mA
8.1 mA
7.9 mA
4.4
Ω
19.0
Ω
70.7
Ω
330
Ω
1,150
Ω
1,400
Ω
1,600
Ω
5,110
Ω
5,800
Ω
6,990
Ω
7,400
Ω
26.7
Ω
107
Ω
440
Ω
1,660
Ω
7,660
Ω
8,720
Ω
15% min. of rated
voltage
Approx. 1.3 W
Coil resistance
Must operate
voltage
Must release
voltage
Max. voltage
Power
consumption
Approx. 2.0 VA (at
60 Hz)
Approx. 2.4 VA (at
50 Hz)
80% max. of rated 30% min. of rated 90% to110% of
rated voltage
voltage
voltage
Note: 1.
The rated current and coil resistance are measured at a coil temperature of 23°C with tolerances of +15%/−20% for AC rated current and
±15%
for DC coil resistance.
2.
Performance characteristic data are measured at a coil temperature of 23°C.
3.
~
indicates AC and
=
indicates DC (IEC417 publications).
4.
For 200 VDC applications, a 100-VDC Relay is supplied with a fixed 6.8 kΩ, 30 W resistor. Be sure to connect the resistor in series with
the coil.
5.
For models with the LED indicator built in, add an LED current of approximately 0 through 5 mA to the rated current.
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MK-I/-S
■
Contact Ratings
Load
Contact mechanism
Contact material
Rated load
Rated carry current
Max. switching voltage
Max. switching current
Max. switching power
Resistive load
(cosφ = 1)
Single
Ag
10 A at 250 VAC
10A at 28 VDC
10 A
250 VAC, 250 VDC
10 A
2,500 VA, 280 W
1,750 VA
7 A at 250 VAC
Inductive load
(cosφ = 0.4)
■
Characteristics
Contact resistance
Operate time
Release time
Max. operating frequency
Insulation resistance
Dielectric strength
50 mΩ max.
AC: 20 ms max. DC: 30 ms max.
20 ms max.
Mechanical:18,000 operations/hr
Electrical:1,800 operations/hr (under rated load)
100 MΩ min. (at 500 VDC)
2,500 VAC, 50/60 Hz for 1 min between coil and contacts;
1,000 VAC, 50/60 Hz for 1 min between contacts of same polarity, terminals of the same polarity;
2,500 VAC, 50/60 Hz fro 1 min between current-carrying parts, non-current-carrying parts, and termi-
nals of opposite polarity
Destruction:10 to 55 to 10 Hz, 0.75-mm single amplitude (1.5-mm double amplitude)
Malfunction:10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude)
Destruction:1,000 m/s
2
(approx. 100G)
Malfunction:100 m/s
2
(approx. 10G);
Mechanical:10,000,000 operations min. (at operating frequency of 18,000 operations/hour)
Electrical:Refer to
Engineering Data.
10 mA at 1 VDC
Operating:–10°C to 40°C (with no icing or condensation)
Operating: 5% to 85%
Approx. 85 g
Vibration resistance
Shock resistance
Endurance
Error rate (reference value)
Ambient temperature
Ambient humidity
Weight
Note:
The data shown are initial values.
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4
MK-I/-S
■
Approved Standards
The following ratings apply to all models.
UL 508 (File No. E41515)/CSA 22.2 No.0/14 (File No. LR35535)
Coil ratings
6 to 110 VDC
6 to 240 VAC
10 A, 28 VDC (resistive)
10 A, 250 VAC (resistive)
7 A, 250 VAC (general use)
Contact ratings
Operations
100,000 cycles
SEV, DEMKO, NEMKO
Coil ratings
6 to 110 V=
6 to 240 V~
10 A, 250 V~ (NO) (cosφ = 1)
5 A, 250 V~ (NC) (cosφ = 1)
10 A, 28 V= (NO)
5 A, 28 V= (NC)
7 A, 250 V~ (cosφ = 0.4)
Contact ratings
Operations
100,000 cycles
SEMKO
Coil ratings
6 to 110 V=
6 to 240 V~
10 A, 250 V~ (NO) (cosφ = 1)
5 A, 250 V~ (NC) (cosφ = 1)
Contact ratings
Operations
100,000 cycles
TÜV (VDE 0435 Teil 201/05’90, IEC 255 Teil 1-00/’75, EN 60950/’88
(TÜV File No.: R9051410)
Coil ratings
6, 12, 24, 48, 100
110 V=
6, 12, 24, 50, 100, 110
115, 120, 200, 220
230, 240 V~
Contact ratings
10 A, 250 V~ (cosφ = 1)
10 A, 28 V=
7 A, 250 V~ (cosφ = 0.4)
Conditions
IEC 255-1-00 Item 3.1.4
Pollution Degree 3,
Overvoltage Category II
Pick up class - class 2
Temperature class - class b
Operations
100,000 cycles
VDE (VDE 0435 Teil 201/05’83, IEC 255 Teil 1-00/’75)
(VDE File No.: NR 5340)
Coil ratings
6, 12, 24, 48, 100
110 V=
6, 12, 24, 50, 100, 110
115, 120, 200, 220
230, 240 V~
Contact ratings
10 A, 250 V~ (cosφ = 1)
10 A, 28 V=
7 A, 250 V~ (cosφ
=
0.4)
Conditions
C/250 - class 1, class C
Operations
100,000 cycles
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