General-purpose Relay
MK-I/-S
A-45
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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,
diode surge suppression, varistor surge suppression.
• Standard models are UL, CSA, SEV, DEMKO, NEMKO,
SEMKO, TÜV (IEC), and VDE.
• Conforming to CENELEC standards.
Model Number Structure
■
Model Number Legend
Standard Models
Special Accessories
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
)
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
)
MK - - -
