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MY

Miniature Power Relays

MY

Best-selling, general-purpose relays that can be selected based on operating environment and application

Model List

Miniature Power Relays: MY

Classification Number
of poles
Contacts Plug-in terminals
948_lu_1_1
PCB
terminals
948_lu_1_2
Case-surface
mounting
948_lu_1_3
With operation indicator
With latching
lever
Standard models
(compliant with
Electrical Appliances
and Material Safety
Act)
2 Single MY2 MY2N MY2IN(S) MY2-02 MY2F
Bifurcated MY2Z MY2ZN
3 Single MY3 MY3N MY3-02 MY3F
4 Single MY4 MY4N MY4IN(S) MY4-02 MY4F
Bifurcated MY4Z MY4ZN MY4ZIN(S) MY4Z-02 MY4ZF
Crossbar
bifurcated
MY4Z-CBG MY4ZN-CBG
Models with built-in
diode for coil surge
absorption
(compliant with
Electrical Appliances
and Material Safety
Act)
2 Single MY2-D MY2N-D2 MY2IN-D2(S)
Bifurcated MY2Z-D MY2ZN-D2
3 Single MY3-D MY3N-D2
4 Single MY4-D MY4N-D2 MY4IN-D2(S)
Bifurcated MY4Z-D MY4ZN-D2 MY4ZIN-D2(S)
Models with built-in
CR circuit for coil
surge absorption
(compliant with
Electrical Appliances
and Material Safety
Act)
2 Single MY2-CR MY2N-CR
Bifurcated MY2Z-CR MY2ZN-CR
4 Single MY4-CR MY4N-CR MY4IN-CR(S)
Bifurcated MY4Z-CR MY4ZN-CR MY4ZIN-CR(S)

Note:1. The models in this table are UL/CSA certified. This is indicated with a certification mark on the products. (Except
            crossbar bifurcated models MY4Z-CBG and MY4ZN-CBG)
        2. The standard models with plug-in terminals, models with built-in diodes for coil surge absorption, and models with
            built-in CR circuits for coil surge absorption were used in combination with the PYF[]A-E, PYF[]-S and PYF-[]-PU for
            the EC Declaration of Conformity. These products display the CE Marking.

Miniature Power Latching Relays (MYK)

Classification Number of poles Contacts Plug-in terminals
948_lu_1_1
PCB terminals
948_lu_1_2
With operation indicator
Standard models 2 Single MY2K MY2K-02

Miniature Power Sealed Relays (MYQ/MYH)

Classification Number of poles Contacts Plug-in terminals
948_lu_1_1
PCB terminals
948_lu_1_2
With operation indicator
Plastic Sealed Relays 4 Single MYQ4 MYQ4N MYQ4-02
Bifurcated MYQ4Z MYQ4Z-02
Hermetically Sealed Relays 4 Single MY4H MY4H-0
Bifurcated MY4ZH MY4ZH-0

Refer to Front-connecting Sockets and Back-connecting Sockets in Common Options (Order Separately) for main unit and socket combinations.

Ordering Information

When your order, specify the rated voltage.

MY Miniature Power Relays

Plug-in Terminals

Without operation indicator

Classification Number
of poles
Contacts Model Rated voltage
Standard models
(compliant with
Electrical Appliances
and Material Safety Act)
2 Single MY2 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
Bifurcated MY2Z 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
3 Single MY3 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
4 Single MY4 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
Bifurcated MY4Z 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
Crossbar
bifurcated
MY4Z-CBG 100/110, 110/120, 200/220 VAC
12, 24, 48, 100/110 VDC
Models with built-in
diode for coil surge
absorption
(DC coil specification only)
2 Single MY2-D 12, 24, 48, 100/110 VDC
Bifurcated MY2Z-D 12, 24, 100/110 VDC
3 Single MY3-D 12, 24, 100/110 VDC
4 Single MY4-D 12, 24, 48, 100/110 VDC
Bifurcated MY4Z-D 12, 24, 48, 100/110 VDC
Models with built-in CR
circuit for coil surge
absorption
(AC coil specification only)
2 Single MY2-CR 100/110, 110/120, 200/220, 220/240 VAC
Bifurcated MY2Z-CR 100/110, 200/220 VAC,
4 Single MY4-CR 100/110, 110/120, 200/220, 220/240 VAC
Bifurcated MY4Z-CR 100/110, 110/120, 200/220, 220/240 VAC

With operation indicator

Classification Number
of poles
Contacts Model Rated voltage
Standard models
(compliant with
Electrical Appliances
and Material Safety Act)
2 Single MY2N 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
Bifurcated MY2ZN 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
3 Single MY3N 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
4 Single MY4N 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
Bifurcated MY4ZN 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
Crossbar
bifurcated
MY4ZN-CBG 100/110, 200/220 VAC
24 VDC
Models with built-in
diode for coil surge
absorption
(DC coil specification only)
2 Single MY2N-D2 12, 24, 48, 100/110 VDC
Bifurcated MY2ZN-D2 12, 24, 100/110 VDC
3 Single MY3N-D2 12, 24, 100/110 VDC
4 Single MY4N-D2 12, 24, 48, 100/110 VDC
Bifurcated MY4ZN-D2 12, 24, 48, 100/110 VDC
Models with built-in CR
circuit for coil surge
absorption
(AC coil specification only)
2 Single MY2N-CR 100/110, 110/120, 200/220, 220/240 VAC
Bifurcated MY2ZN-CR 100/110, 200/220 VAC
4 Single MY4N-CR 100/110, 110/120, 200/220, 220/240 VAC
Bifurcated MY4ZN-CR 100/110, 110/120, 200/220, 220/240 VAC

With operation indicator/latching lever

Classification Number of poles Contacts Model Rated voltage
Standard models
(compliant with Electrical Appliances
and Material Safety Act)
2 Single MY2IN(S) 100/110, 200/220 VAC
12, 24, 48 VDC
4 Single MY4IN(S) 100/110, 200/220 VAC
12, 24, 48 VDC
Bifurcated MY4ZIN(S) 100/110, 200/220 VAC
12, 24, 48 VDC
Models with built-in diode for coil surge
absorption
(DC coil specification only)
2 Single MY2IN-D2(S) 12, 24, 48 VDC
4 Single MY4IN-D2(S) 12, 24, 48 VDC
Bifurcated MY4ZIN-D2(S) 12, 24, 48 VDC
Models with built-in CR circuit for coil
surge absorption
(AC coil specification only)
4 Single MY4IN-CR(S) 100/110, 200/220 VAC
Bifurcated MY4ZIN-CR(S) 100/110, 200/220 VAC

PCB terminals

Classification Number
of poles
Contacts Model Rated voltage
Standard models
(compliant with
Electrical Appliances
and Material Safety Act)
2 Single MY2-02 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
3 Single MY3-02 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
4 Single MY4-02 12, 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
Bifurcated MY4Z-02 100/110, 110/120, 200/220 VAC
12, 24, 48, 100/110 VDC

Case-surface mounting

Classification Number of poles Contacts Model Rated voltage
Standard models
(compliant with
Electrical Appliances
and Material Safety Act)
2 Single MY2F 24, 100/110, 110/120, 200/220, 220/240 VAC
12, 24, 48, 100/110 VDC
3 Single MY3F 24, 100/110, 200/220 VAC
24, 100/110 VDC
4 Single MY4F 24, 100/110, 110/120, 200/220 VAC
12, 24, 48, 100/110 VDC
Bifurcated MY4ZF 200/220 VAC
12, 24 VDC

MYK Miniature Power Latching Relays

Main unit

Plug-in terminals

Classification Number of poles Contacts Model Rated voltage
Standard models
(compliant with Electrical Appliances and
Material Safety Act)
2 Single MY2K 12, 24, 100, 100/110 VAC
12, 24, 48 VDC

PCB terminals

Classification Number of poles Contacts Model Rated voltage
Standard models
(compliant with Electrical Appliances and Material
Safety Act)
2 Single MY2K-02 24, 100 VAC
12, 24 VDC

MYQ/MYH Miniature Power Sealed Relays

Plastic Sealed Relays

Plug-in terminals

Classification Number
of poles
Contacts With operation indicator
Model Rated voltage Model Rated voltage
Standard models
(compliant with
Electrical Appliances
and Material Safety
Act)
4 Single MYQ4 100/110, 110/120,
200/220, 220/240 VAC
MYQ4N 24, 100/110, 110/120,
200/220, 220/240 VAC
24 VDC 12, 24, 48, 100/110 VDC
Bifurcated MYQ4Z 100/110, 110/120,
200/220 VAC
12, 24 VDC

PCB terminals

Classification Number of poles Contacts Model Rated voltage
Standard models
(compliant with Electrical Appliances
and Material Safety Act)
4 Single MYQ4-02 50, 200/220, 220/240 VAC
24 VDC
Bifurcated MYQ4Z-02 100/110 VAC
24, 48 VDC

Hermetically Sealed Relays

Plug-in terminals

Classification Number of poles Contacts Model Rated voltage
Standard models
(compliant with Electrical Appliances and
Material Safety Act)
4 Single MY4H 24, 100/110, 110/120 VAC
12, 24, 48, 100/110 VDC
Bifurcated MY4ZH 24, 100/110, 110/120 VAC
12, 24, 48, 100/110 VDC

PCB terminals

Classification Number of poles Contacts Model Rated voltage
Standard models
(compliant with Electrical Appliances and Material
Safety Act)
4 Single MY4H-0 110/120 VAC
24 VDC
Bifurcated MY4ZH-0 24, 100/110 VDC

Common Options (Order Separately)

Front-mounting Sockets

Applicable
relay
model*1
Mounting
Method
Conductive
part
protection
Terminal
Type
Applicable
crimp
terminal/
Electric wire
Appearance Mode Hold-down Clips/
Release
Levers
(Order
Separately)
MY2[]
MY2[](S)
MY2Z[]-CR
Mounted
on a
DIN track
or with
screws
Available Push-In
Plus
Terminal
Ferrules
Solid wire
Stranded
wire
948_lu_15_1 PYF-08-PU*2
* MY2Z[]-CR,
MY2[]-CR
24 VAC
cannot be used
With release lever
* Hold by
release lever
948_lu_15_2 PYF-08-PU-L*2 MY2[]: PYC-A1
MY2IN(S): PYC-E1
MY2Z[]-CR,
MY2[]-CR
24 VAC:
Y92H-3
Screw
terminal
(M3
screw size)
Forked
terminals
Solid wire
Stranded
wire
948_lu_15_3 PYFZ-08-E*4
948_lu_15_4 PYF08A-E*4
Scheduled
to be
discontinued
in March 2021
Option
(Terminal
cover
sold
separately)
*3
Round
terminals
Forked
terminals
Solid wire
Stranded
wire
948_lu_15_5 PYFZ-08
* Terminal
cover:
PYCZ-C08
None 948_lu_15_6 PYF08A
Scheduled
to be
discontinued
in March 2021
Mounted
on a
DIN track
Available Screwless
terminal
(Clamp
method)
Solid wire
Stranded
wire
948_lu_15_7 PYF08S PYCM-08S
* MY2Z[]-CR,
MY2[]-CR
24 VAC
cannot be used
* Hold by
release lever
Screw
mounting
only
None Screw
terminal
(M3.5
screw size)
Round
terminals
Forked
terminals
Solid wire
Stranded
wire
948_lu_15_8 PYF08M PYC-P (MY2[] Only)
* MY2[]-CR
24 VAC
cannot be used
MY3[] Mounted
on a
DIN track
or with
screws
None Screw
terminal
(M3
screw size)
Round
terminals
Forked
terminals
Solid wire
Stranded
wire
948_lu_15_9 PYF11A PYC-A1
MY4[]
MY4[](S)
MY4[]H
MYQ4[]
MY4Z[]-CBG-CR
MY2K
Mounted
on a
DIN track
or with
screws
Available Push-In
Plus
Terminal
Ferrules
Solid wire
Stranded
wire
948_lu_15_10 PYF-14-PU*2
* MY4Z[]-CBG-CR,
MY4-CR
24 VAC,
MY4N-CR
24 VAC/
115 VAC
cannot be used
With release lever
* Hold by
release lever
948_lu_15_11 PYF-14-PU-L*2 MY4Z[]-CBG-CR,
MY4-CR
24 VAC,
MY4N-CR
24 VAC/
115 VA:
Y92H-3
Other than
those above:
PYC-A1
Screw
terminal
(M3
screw size)
Forked
terminals
Solid wire
Stranded
wire
948_lu_15_12 PYFZ-14-E*4
948_lu_15_13 PYF14A-E*4
Scheduled
to be
discontinued
in March 2021
Option
(Terminal
cover sold
separately)
*3
Round
terminals
Forked
terminals
Solid wire
Stranded
wire
948_lu_15_14 PYFZ-14
* Terminal
cover:
PYCZ-C14
None 948_lu_15_15 PYF14A
Scheduled
to be
discontinued
in March 2021
Mounted
on a
DIN track
Available Screwless
terminal
(Clamp
method)
Solid wire
Stranded
wire
948_lu_15_16 PYF14S PYCM-14S
* MY4Z[]-CBG-CR,
MY4-CR
24 VAC,
MY4N-CR
24 VAC/
115 VAC
cannot be used
* Hold by
release lever
Screw
mounting
only
None Screw
terminal
(M3.5
screw size)
Round
terminals
Forked
terminals
Solid wire
Stranded
wire
948_lu_15_17 PYF14T MY4Z[]-CBG-CR:
Y92H-3
Other than
those above:
PYC-A1

*1. The applicable relay model is a plug-in terminal type.
*2. There are screw mounting holes in the DIN hooks on the PYF-[][]-PU and P2RF-[][]-PU. Pull out the DIN hook tabs to
      mount the Sockets with screws.
*3. Terminal cover type is PYCZ-C08. (Order Separately) For details, refer to the For Screw Terminal Sockets
      (PYFZ-08/PYFZ-14) Terminal covers below. 
*4. The finger-protection type (PYFZ-[]-E, PYF[]A-E) is a type in which the terminal cover is integrated into the socket. Round
      terminals cannot be used. Use forked terminals or ferrules instead.

Back-mounting Sockets

Applicable
relay model*1
Terminal Type Hold-down Clips Appearance Mode
MY2[]
MY2[](S)
MY2Z[]-CR
Solder terminals Accessories (Order Separately)
* MY2Z[]-CR: PYC-1
 Other than those above: PYC-P
948_lu_16_1 PY08
Wrapping terminals
Terminal length: 25 mm
948_lu_16_2 PY08QN
Wrapping terminals
Terminal length: 20 mm
948_lu_16_3 PY08QN2
PCB terminals 948_lu_16_4 PY08-02
MY2[]
MY2[](S)
Solder terminals With Hold-down Clips*2 948_lu_16_5 PY08-Y1
Wrapping terminals
Terminal length: 25 mm
948_lu_16_6 PY08QN-Y1
Wrapping terminals
Terminal length: 20 mm
948_lu_16_7 PY08QN2-Y1
MY2Z[]-CR Solder terminals 948_lu_16_8 PY08-Y3
Wrapping terminals
Terminal length: 25 mm
948_lu_16_9 PY08QN-Y3
Wrapping terminals
Terminal length: 20 mm
948_lu_16_10 PY08QN2-Y3
MY3[] Solder terminals Accessories (Order Separately)
* PYC-P
948_lu_16_11 PY11
With Hold-down Clips*2 948_lu_16_12 PY11-Y1
Wrapping terminals
Terminal length: 25 mm
Accessories (Order Separately)
* PYC-P
948_lu_16_13 PY11QN
With Hold-down Clips*2 948_lu_16_14 PY11QN-Y1
Wrapping terminals
Terminal length: 20 mm
Accessories (Order Separately)
* PYC-P
948_lu_16_15 PY11QN2
With Hold-down Clips*2 948_lu_16_16 PY11QN2-Y1
PCB terminals Accessories (Order Separately)
* PYC-P
948_lu_16_17 PY11-02
MY4[]
MY4[](S)
MY4[]H
MYQ4[]
MY4Z[]-CBG-CR
MY2K
Solder terminals Accessories (Order Separately)
* MY4Z[]-CBG-CR: PYC-1
 Other than those above: PYC-P
948_lu_16_18 PY14
Wrapping terminals
Terminal length: 25 mm
948_lu_16_19 PY14QN
Wrapping terminals
Terminal length: 20 mm
948_lu_16_20 PY14QN2
PCB terminals 948_lu_16_21 PY14-02
MY4[]
MY4[](S)
MY4[]H
MYQ4[]
MY2K
Solder terminals With Hold-down Clips*2 948_lu_16_22 PY14-Y1
Wrapping terminals
Terminal length: 25 mm
948_lu_16_23 PY14QN-Y1
Wrapping terminals
Terminal length: 20 mm
948_lu_16_24 PY14QN2-Y1
MY4Z[]-CBG-CR Solder terminals 948_lu_16_25 PY14-Y3
Wrapping terminals
Terminal length: 25 mm
948_lu_16_26 PY14QN-Y3
Wrapping terminals
Terminal length: 20 mm
948_lu_16_27 PY14QN2-Y3

*1. The applicable relay model is a plug-in terminal type.
*2. The hold-down clips for connecting the relay and socket come as a set with the socket.

Hold-down Clip

Appearance *1 Model *2 Weight*3 Application
948_lu_17_1 PYC-A1 Approx. 0.54 g For connecting relays and sockets
PYC-E1 Approx. 0.6 g
948_lu_17_2 PYC-P Approx. 1.4 g
948_lu_17_3 PYC-S Approx. 1.8 g For connecting sockets, socket mounting plates, and relays
948_lu_17_4 Y92H-3*4 Approx. 0.7 g For connecting models with built-in CR circuit for coil surge
absorption (MY2Z[]-CR) and sockets
948_lu_17_5 PYC-1*5 Approx. 6 g

*1.The appearance shown is one in which the relay, socket, and hold-down clip are assembled.
*2.Hold-down clips are used in sets of two. However, PYC-P and PYC-1.
*3.The weight shown above is the weight for one hold-down clip.
*4. MY2-CR 24 VAC, MY2N-CR 24 VAC, MY4-CR 24 VAC and MY4N-CR 24 VAC/115 VAC use in combination with hold-down clip Y92H-3.
*5. MY2-CR 24 VAC, MY2N-CR 24 VAC, MY4-CR 24 VAC and MY4N-CR 24 VAC/115 VAC use in combination with hold-down clip PYC-1.

Front-connecting Socket Accessories

For Push-In Plus Terminal Sockets (PYF-08-PU(-L)/PYF-14-PU(-L))

Short Bars

Applicable sockets Pitch Application Shape/external dimensions Number
of pole
L
(Length)
Insulati
on color
Model*1
PYF-08-PU(-L)
PYF-14PU(-L)
7.75 mm Bridging
contact
terminals
(common)
948_lu_20_1 2 15.1 Red (R)
Blue (S)
Yellow(Y)
PYDN-7.75-020[]
3 22.85 PYDN-7.75-030[]
4 30.6 PYDN-7.75-040[]
20 154.6 PYDN-7.75-200[]
31.0 mm For Coil
terminals
948_lu_20_2 8 224.35 PYDN-31.0-080[]

*1. Replace the box ([]) in the model number with the code for the covering color. []Color selection: R = Red, S = Blue,
      Y = Yellow

Labels

Applicable sockets Model
PYF-08-PU(-L)
PYF-14PU(-L)
XW5Z-P4.0LB1
(1 sheet/60 pieces)

For Screwless Terminal Sockets (PYF08S/PYF14S)

Short Bars

Applicable
sockets
Pitch Application Shape/external dimensions Number
of poles
Insulati
on color
Model*1
PYF08S 19.7 mm For bridging coils
between sockets
948_lu_22_1 2 Red (R)
Blue (B)
PYDM-08S[]
(50 pcs./bag)
PYF14S 27.5 mm 2 PYDM-14S[]
(50 pcs./bag)

*1. Replace the box ([]) in the model number with the code for the covering color. []Color selection: R = Red, B = Blue

Labels

Applicable sockets Model
PYF08S R99-11
(100 pcs./bag)
PYF14S

Release Levers

Applicable sockets Shape/external dimensions Model
PYF08S 948_lu_24_1 PYCM-08S
PYF14S 948_lu_24_2 PYCM-14S

For Screw Terminal Sockets (PYFZ-08/PYF08A/PYFZ-14/PYF14A)

Short Bars

Applicable
sockets
Pitch Application Shape/external dimensions Number
of poles
Insulation
color
Model*1
PYFZ-08
PYF08A*2
22 mm For bridging
adjacent
sockets
948_lu_25_1 2 B (Black)
S (Blue)
R (Red)
PYD-025B[] (2P)
(10 pcs./bag)
948_lu_25_2 8 PYD-085B[] (8P)
(10 pcs./bag)
PYFZ-14
PYF14A*2
29 mm 948_lu_25_3 2 PYD-026B[] (2P)
(10 pcs./bag)
948_lu_25_4 8 PYD-086B[] (8P)
(10 pcs./bag)
7 mm For bridging
with the same
socket
948_lu_25_5 2 B (Black)
Y (Yellow)
PYD-020B[] (2P)
(50 pcs./bag)
948_lu_25_6 3 PYD-030B[] (3P)
(10 pcs./bag)

*1. Replace the box ([]) in the model number with the code for the covering color.
*2. Scheduled to be discontinued in March 2021.

For Screw Terminal Sockets (PYFZ-08/PYFZ-14)

Terminal covers

Applicable sockets Appearance Model
PYFZ-08 948_lu_28_1 PYCZ-C08
(2 pcs/set)
PYFZ-14 948_lu_28_2 PYCZ-C14
(1 pcs/set)

Note: These covers cannot be used for PYF08A and PYF14A.
         Use these covers in a combination with PYFZ-08 and PYFZ-14.

Socket Mounting Plates (For Back-connecting Socket PY[]/Solder Terminals, PY[]QN(2)/Wrapping Terminals)

Applicable Sockets Socket Mounting Plates
Model Models with hold-down clips Appearance Number of sockets Model
PY08
PY08QN
PY08QN2
PY11
PY11QN
PY11QN2
PY14
PY14QN
PY14QN2
PY08-Y1, PY08-Y3
PY08QN-Y1, PY08QN-Y3
PY08QN2-Y1, PY08QN2-Y3
PY11-Y1
PY11QN-Y1
PY11QN2-Y1
PY14-Y1, PY14-Y3
PY14QN-Y1, PY14QN-Y3
PY14QN2-Y1, PY14QN2-Y3
948_lu_26_1 1 PYP-1
948_lu_26_2 18 PYP-18*
948_lu_26_3 36 PYP-36*

*You can cut the PYP-18 and PYP-36 to any required length.

Parts for Track Mounting

Type Appearance Model
DIN Tracks 1 m 948_lu_27_1 PFP-100N
0.5 m PFP-50N
End Plate* 948_lu_27_2 PFP-M
Spacer 948_lu_27_3 PFP-S

Note: The track conforms to DIN standards.
*When mounting DIN track, please use End Plate (Model PFP-M).