Safety Precautions
Be sure to read the precautions and information common to all electromechanical relays, contained in the Technical User’s Guide,
“Electromechanical Relays, Technical Information” for correct use.
Precautions for Correct Use
Installation
? Models for DC loads (i.e., models with “X” in the model number)
have permanent magnets built into the insulating block. If a
permanent magnet or other magnetic body comes near the Relay,
magnetic interference will occur with the built-in permanent magnet
and the contact switching capacity will be decreased.
? Models for AC loads do not contain a permanent magnet.
? W hen mounting a P7MF-06(-D) Front-mounting Socket to a DIN
Track, attach PFP-M End Plates on both sides of the Socket to
prevent it from moving.
Gang Mounting
Conditions for mounting multiple MKS-X relays on the same DIN rail.
Operating Environment
Do not use the Relay in environments with combustible gas. Doing so
may result in explosion due to arcing.
Storage
Models for DC Loads (i.e., models with “X” in the model number) are
magnetized because they have a built-in magnet to deflect and
extinguish the arc. Do not install the Relay near IC cards or other
items that may be adversely affected by magnetism.
Usage
Use the Relay mounted in the P7M-06P or P7MF-06(-D) Socket.
Test Button
? Turn OFF the power supply before operating the test button. Always
return the test button to the original position after you use it.
Relay
Models for 10A
Models for 15A
DC Loads
AC Loads
Rated current
of Relay
Socket
Back-Connecting Front-Connecting
Socket Socket
? ?
? *
? Do not use the test button as a switch.
? The durability of the test button is 100 operations minimum.
The circuit can be checked using either of two modes.
Test Button
DC specification: Bl u e
* Gang mounting of the Front-Mounting Sockets is not possible if the
contact carry current exceeds 10A.Provide space on both the right
and left sides of the Sockets.
The mounting pitch is given in the following diagram.
20
15
10
5
0
AC specification: Red
Mode 1
(momentary)
N ormal
Mode 2
(locked)
0
10
20
30 40 50
Mounting interval (mm)
Press the bu tton
for operation.
( N o tool is re qu ired.)
Lock the contacts b y
pressing do w n on the
bu tton and t u rning it.
Test Button Applications
Example: Checking operation of Relays and sequence circuits.
Mounting interval
Wiring
? The contact terminals on Models for DC Loads (i.e., models with “X” in
the model number) have polarity. W iring with incorrect polarity may
result in inability to turn OFF the Relay or loss of functionality.
? Be sure to check plarity when wiring DC coil MKS-X relays with
built-in operation indicators.
General Purpose Power Relays
MKS-X
9
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