General-purpose Relays
MK-S New Model
1
General-purpose Relays
MK-S New Model
General-purpose Relays Featuring
Mechanical Indicator and Lockable Test
Button
• Built-in operation indicator (mechanical and LED), and new
models with lockable test button.
• Nameplate provided on models with lockable test button.
• RoHS Compliant.
• UL approval for most models. (UL approval pending for models
with built-in LED indicators.)
Features
Two-way Action Test Button
Model Number Structure
■
Model Number Legend
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
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/Internal Connection”
.)
8. Rated Voltage
(Refer to
“Coil Ratings”
.)
Yellow
button
Relay in
Normal Operation
For Momentary
Operation
For Lock
Operation
Pull down the test
button to the first
position, then press the
yellow button with an
insulated tool to
operate the contact.
Pull down the test
button to the second
position.
(The contact is now in
the locked position.)
1 2 3 4 5
6
7
MKS
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