ø22mm
HW Series
Dual Pushbutton Switches
ø22 HW Series Dual Pushbutton Switches
Two pushbuttons and a pilot light are integrated into one space-saving ø22 mm control unit.
• Momentary and interlock types are available for pushbuttons.
Interlock type prevents both buttons from being pressed at the
same time.
• Pilot lights are available in full voltage and transformer types
illuminated with LED or incandescent lamps.
• HW-G contact blocks feature spring-up screw terminals to
ensure safety and save wiring time.
• UL, CSA approved, and EN compliant
Safety Standards
Mark
File No. or Organization
UL508
UL Listing
File No. E68961
CSA C22.2 No. 14
166730 (LR92374)
TÜV Rheinland R50054316
EN60947-1
EN60947-5-1
European Low Voltage Directives
Applications:
Ideal for use as power switches and start/stop switches
(available with I/ON and O/OFF markings on the buttons and
a pilot light in the center).
Interlock type prevents two pushbuttons from being pressed
at the same time, providing the best solution for up/down
switches.
Specifications and Ratings
Contact Ratings
Contact Block
Rated Insulation Voltage
Rated Continuous Current
Type HW-G (HW series)
600V
10A
Characteristics
• Contact Ratings by Utilization Category
Operational Voltage
AC-12 Control of resistive loads and solid state loads
AC
Operational 50/60 Hz AC-15 Control of electromagnetic loads (> 72 VA)
Current
DC-12 Control of resistive loads and solid state loads
DC
DC-13 Control of electromagnets
24V
10A
10A
8A
4A
48V
—
—
4A
2A
50V
10A
7A
—
—
110V
10A
5A
2.2A
1.1A
220V
6A
3A
1.1A
0.6A
440V
2A
1A
—
—
Note: The operational current represents the classification by making and breaking currents (IEC 60947-5-1).
• Minimum applicable load: 3V AC/DC, 5 mA (applicable range may vary with operating conditions and load types)
LED Lamp Ratings (LSTD Type)
Rated Voltage
6V AC/DC
12V AC/DC
24V AC/DC
Type No.
LSTD-6➁
LSTD-1➁
LSTD-2➁
Operating Voltage
6V AC/DC ±10%
12V AC/DC ±10%
24V AC/DC ±10%
Incandescent Lamp Ratings (LS Type)
Rated Voltage
6V AC/DC
12V AC/DC
24V AC/DC
Type No.
LS-6
LS-8
LS-3
Operating Voltage Lamp Ratings
6V AC/DC ±10%
1W (6.3V)
12V AC/DC ±10%
1W (18V)
24V AC/DC ±10%
1W (30V)
Note: Specify a color code in place of ➁ in the Type No.
Specifications
Operating Temperature
Storage Temperature
Operating Humidity
Contact Resistance
Insulation Resistance
Dielectric Strength
Shock Resistance
Vibration Resistance
Mechanical Life
Electrical Life
Degree of Protection
2
–25 to +60°C (no freezing) (LED illuminated type: –25 to +55°C)
–40 to +80°C
45 to 85% RH (no condensation)
50 mΩ maximum (initial value)
100 MΩ minimum (500V DC megger)
Without pilot light:
2,500V AC, 1 minute (between live and dead metal parts)
With pilot light
Full voltage type:
1,000V AC, 1 minute (between live and dead metal parts)
Transformer and DC-DC converter types: 2,000V AC, 1 minute (between live and dead metal parts)
Damage limits:
1,000 m/s2
Operating extremes: 100 m/s2
Operating extremes: 5 to 55 Hz, amplitude 0.5 mm
500,000 operations minimum
500,000 operations minimum
IP40 (IP65 when using HW9Z-D7D rubber boot)
HW Series Dual Pushbutton Switches ø22
Dimensions
Without Pilot Light
HW
49.4 (2 contacts)
69.4 (3 or 4 contacts)
Panel Thickness 0.8 to 6
Safety Lever Lock
Locking Ring
Without Button
Markings
With Button Markings
(I/ON and O/OFF)
54.8
54.8
41.4
ON
OFF
Rubber Gasket
0.5
29.8
14.5
20
29.8
With Pilot Light
• Full Voltage
Ful Voltage Adapter
HW
(Bottom Button)
(Top Button)
69.4 (2 contacts), 89.4 (4 contacts)
(Note)
Note: The depth of 3-contact type depends on the
combination of contact blocks at top and bottom
pushbutons.
Top Button
1 contact block
Bottom Button
2 contact blocks 1 contact block
Depth
89.4 mm
2 contact blocks
69.4 mm
• Transformer (240V maximum)
Transformer
HW
79.5 (2 contacts), 99.5 (4 contacts)
• Transformer (380V minimum)
• DC-DC Converter
Transformer, DC-DC Converter
HW
89.5 (2 contacts), 109.5 (4 contacts)
Mounting Hole Layout
R0.8 max.
.3 +0.4
55 ∗∗
0
+0.2
0
24.1 +0.4
0
∗3.2
ø22
30
∗ The 3.2 mm recess is for preventing rotation and is not necessary
when a nameplate or anti-rotation ring is not used.
∗∗ When using the safety lever lock, determine the vertical spacing in
consideration of convenience for installing and removing the safety
lever lock.
Recommended vertical spacing: 100 mm
• The minimum mounting centers are applicable to switches with one
layer of contact blocks (two contact blocks). When two layers of contact blocks are mounted, determine the minimum mounting centers in
consideration of convenience for wiring.
All dimensions in mm.
3
ø22 HW Series Dual Pushbutton Switches
Ordering Information
The Type No. development charts shown below can be used to specify control units other than those listed on the following
pages. Gold-plated silver contacts are also available.
Dual Pushbutton Switches without Pilot Light
Dual Pushbutton Switches with Pilot Light
HW7D-B 1 1 10 02 GR 1 - MAU
HW7D-L 1 1 11 20 H 2 R - GR 1 - MAU
Optional contact
MAU: Gold-plated silver
contact
Button legends
Blank: Without legend
1:
I/ON + O/OFF
Button color code
GR: Green (top)
Red (bottom)
WB: White (top)
Black (bottom)
Contact arrangement code
(bottom button)
10:
1NO
01:
1NC
11:
1NO-1NC
20:
2NO
02:
2NC
Contact arrangement code
(top button)
10:
1NO
01:
1NC
11:
1NO-1NC
20:
2NO
02:
2NC
Button style
1:
Flush + Flush
2:
Flush + Extended
Operating type
1:
Momentary
2:
Interlock
Operating type
1: Momentary
2: Interlock
Button style
1: Flush + Flush
2: Flush + Extended
Contact arrangement
code (top button)
10: 1NO
01: 1NC
11: 1NO-1NC
20: 2NO
02: 2NC
Contact arrangement code
(bottom button)
10: 1NO
01: 1NC
11: 1NO-1NC
20: 2NO
02: 2NC
Operating voltage code
Q: Full voltage
H: Transformer (100/110V AC)
H2: Transformer (115/120V AC)
M: Transformer (200/220V AC)
M4: Transformer (230/240V AC)
S: Transformer (380V AC)
T: Transformer (400/440V AC)
T8: Transformer (480V AC)
D: DC-DC converter (110V DC)
Optional contact
MAU: Gold-plated silver contact
Button legends
Blank: Without legend
1:
I/ON + O/OFF
Button color code
GR: Green (top)
Red (bottom)
WB: White (top)
Black (bottom)
Lamp color code
A: Amber (LED only)
G: Green (LED only)
R: Red (LED only)
S: Blue (LED only)
W: White (LED/incandescent)
Y: Yellow (LED only)
Lamp code
0: Without lamp
2: LED (6V: LSTD-6)
3: LED (12V: LSTD-1)
4: LED (24V: LSTD-2)
5: Incandescent (6V: LS-6)
6: Incandescent (12V: LS-8)
7: Incandescent (24V: LS-3)
Notes:
• Full voltage type is not supplied with a lamp.
• Transformer and DC-DC converter types contain an LED lamp (LSTD-6➂) or incandescent lamp (LS-6).
• Transformer and DC-DC converter types can have two or four contact blocks only.
Types
• Without Pilot Light
Operation
Type
Button Style
Flush (top)
Flush (bottom)
Momentary
Flush (top)
Extended (bottom)
Flush (top)
Flush (bottom)
Interlock
4
Flush (top)
Extended (bottom)
Contact Arrangement
Top
Bottom
Button
Button
Type No.
1NO
1NC
HW7D-B111001➃➄
1NO
1NO
HW7D-B111010➃➄
1NO-1NC
1NO-1NC
HW7D-B111111➃➄
2NO
2NC
HW7D-B112002➃➄
2NO
2NO
HW7D-B112020➃➄
HW7D-B121001➃➄
1NO
1NC
1NO
1NO
HW7D-B121010➃➄
1NO-1NC
1NO-1NC
HW7D-B121111➃➄
2NO
2NC
HW7D-B122002➃➄
2NO
2NO
HW7D-B122020➃➄
1NO
1NC
HW7D-B211001➃➄
1NO
1NO
HW7D-B211010➃➄
1NO-1NC
1NO-1NC
HW7D-B211111➃➄
2NO
2NC
HW7D-B212002➃➄
2NO
2NO
HW7D-B212020➃➄
1NO
1NC
HW7D-B221001➃➄
1NO
1NO
HW7D-B221010➃➄
1NO-1NC
1NO-1NC
HW7D-B221111➃➄
2NO
2NC
HW7D-B222002➃➄
2NO
2NO
HW7D-B222020➃➄
➃ Button
Color Code
GR:
Green (top)
Red (bottom)
WB:
White (top)
Black (bottom)
➄ Legend Code
Blank: Without legend
1:
I/ON (top)
O/OFF (bottom)
HW Series Dual Pushbutton Switches ø22
• With Pilot Light
Operation Type
Lamp
Without Lamp
Input Type
Full Voltage
Transformer
Momentary
LED
DC-DC Converter
Incandescent
Transformer
Without Lamp
Full Voltage
Transformer
Interlock
LED
DC-DC Converter
Incandescent
Transformer
Contact Arrangement
Top Button
Bottom Button
1NO
1NC
1NO
1NO
1NO-1NC
1NO-1NC
2NO
2NC
2NO
2NO
1NO
1NC
1NO
1NO
1NO-1NC
1NO-1NC
2NO
2NC
2NO
2NO
1NO
1NC
1NO
1NO
1NO-1NC
1NO-1NC
2NO
2NC
2NO
2NO
1NO
1NC
1NO
1NO
1NO-1NC
1NO-1NC
2NO
2NC
2NO
2NO
1NO
1NC
1NO
1NO
1NO-1NC
1NO-1NC
2NO
2NC
2NO
2NO
1NO
1NC
1NO
1NO
1NO-1NC
1NO-1NC
2NO
2NC
2NO
2NO
1NO
1NC
1NO
1NO
1NO-1NC
1NO-1NC
2NO
2NC
2NO
2NO
1NO
1NC
1NO
1NO
1NO-1NC
1NO-1NC
2NO
2NC
2NO
2NO
Type No.
HW7D-L1➀1001Q0W➃➄
HW7D-L1➀1010Q0W➃➄
HW7D-L1➀1111Q0W➃➄
HW7D-L1➀2002Q0W➃➄
HW7D-L1➀2020Q0W➃➄
HW7D-L1➀1001➁2➂➃➄
HW7D-L1➀1010➁2➂➃➄
HW7D-L1➀1111➁2➂➃➄
HW7D-L1➀2002➁2➂➃➄
HW7D-L1➀2020➁2➂➃➄
HW7D-L1➀1001D2➂➃➄
HW7D-L1➀1010D2➂➃➄
HW7D-L1➀1111D2➂➃➄
HW7D-L1➀2002D2➂➃➄
HW7D-L1➀2020D2➂➃➄
HW7D-L1➀1001➁5W➃➄
HW7D-L1➀1010➁5W➃➄
HW7D-L1➀1111➁5W➃➄
HW7D-L1➀2002➁5W➃➄
HW7D-L1➀2020➁5W➃➄
HW7D-L2➀1001Q0W➃➄
HW7D-L2➀1010Q0W➃➄
HW7D-L2➀1111Q0W➃➄
HW7D-L2➀2002Q0W➃➄
HW7D-L2➀2020Q0W➃➄
HW7D-L2➀1001➁2➂➃➄
HW7D-L2➀1010➁2➂➃➄
HW7D-L2➀1111➁2➂➃➄
HW7D-L2➀2002➁2➂➃➄
HW7D-L2➀2020➁2➂➃➄
HW7D-L2➀1001D2➂➃➄
HW7D-L2➀1010D2➂➃➄
HW7D-L2➀1111D2➂➃➄
HW7D-L2➀2002D2➂➃➄
HW7D-L2➀2020D2➂➃➄
HW7D-L2➀1001➁5W➃➄
HW7D-L2➀1010➁5W➃➄
HW7D-L2➀1111➁5W➃➄
HW7D-L2➀2002➁5W➃➄
HW7D-L2➀2020➁5W➃➄
• Designation Codes
Specify designation codes ➀ to ➄ in the Type No.
➀ Button Style Code
1: Flush (top)
Flush (bottom)
2: Flush (top)
Extended (bottom)
➁ Operating Voltage Code ➂ Lamp Color Code
H:
H2:
M:
M4:
S:
T:
T8:
100/110V AC
115/120V AC
200/220V AC
230/240V AC
380V AC
400/440V AC
480V AC
A:
G:
R:
S:
W:
Y:
amber
green
red
blue
white
yellow
➃ Button Color
Code
GR: Green (top)
Red (bottom)
➄ Legend Code
Blank: Without legend
1:
WB: White (top)
Black (bottom)
I/ON (top)
O/OFF (bottom)
The lens is white only.
Note: Full voltage types do not contain a lamp. Order LED or incandescent lamps separately. For lamps, see page 9.
LED illuminated transformer and DC-DC converter types contain an LED lamp (LSTD-6➂, rated voltage 6V AC/DC).
Incandescent illuminated transformer types contain an incandescent lamp (LS-6, rated voltage 6V AC/DC).
5
ø22 HW Series Dual Pushbutton Switches
Contact Arrangement Chart
Top Button
Contact Arrangement
Bottom Button
Contact Code
1NO
1NO
1010
1NO
1NC
1001
1NC
1NO
0110
1NC
1NC
0101
1NO
2NO
1020
1NO
1NO-1NC
1011
1NO
2NC
1002
1NC
2NO
0120
1NC
1NO-1NC
0111
1NC
2NC
0102
2NO
1NO
2010
2NO
1NC
2001
1NO-1NC
1NO
1110
1NO-1NC
1NC
1101
Contact Block
Top Button
Type Normal
Push
1
NO
2
NO
1
NO
2
NC
1
NC
2
NO
1
NC
2
NC
1
NO
2
NO
Dummy
3
4
NO
1
NO
2
NO
Dummy
3
4
NC
1
NO
2
NC
Dummy
3
4
NC
1
NC
2
NO
Dummy
3
4
NO
1
NC
2
NO
Dummy
3
4
NC
1
NC
2
NC
Dummy
3
4
NC
1
NO
2
NO
3
NO
Dummy
4
1
NO
2
NC
3
NO
Dummy
4
1
NO
2
NO
3
NC
Dummy
4
1
NO
2
NO
3
NC
Dummy
4
Mounting Position
Bottom Button
Normal
Push
• Transformer and DC-DC converter types can have two or four contact blocks only.
• Contact blocks 1 and 3 are actuated by the top button. Contact blocks 2 and 4 are actuated by the bottom button.
• Contact Block Mounting Position and Contact Arrangement Chart
4
3
1
Without Pilot Light
With Pilot Light
(transformer type)
6
4
2
3
2
Full Voltage
Adapter
1
With Pilot Light
(full voltage type)
Contact Block
1
2
3
4
Top Button
Normal Push
Bottom Button
Normal Push
NO
NO
NC
NC
• Type No. Development
HW7D - B 12 11 11 GR
Contact code (1NO-1NC) of bottom button
Contact code (1NO-1NC) of top button
HW Series Dual Pushbutton Switches ø22
Contact Arrangement Chart
Top Button
Contact Arrangement
Bottom Button
Contact Code
2NC
1NO
0210
2NC
1NC
0201
2NO
2NO
2020
2NO
1NO-1NC
2011
2NO
2NC
2002
1NO-1NC
2NO
1120
1NO-1NC
1NO-1NC
1111
1NO-1NC
2NC
1102
2NC
2NO
0220
2NC
1NO-1NC
0211
2NC
2NC
0202
Contact Block
Top Button
Type Normal
Push
1
NC
2
NO
3
NC
Dummy
4
1
NC
2
NC
3
NC
Dummy
4
1
NO
2
NO
3
NO
4
NO
1
NO
2
NO
3
NO
4
NC
1
NO
2
NC
3
NO
4
NC
1
NO
2
NO
3
NC
4
NO
1
NO
2
NO
3
NC
4
NC
1
NO
2
NC
3
NC
4
NC
1
NC
2
NO
3
NC
4
NO
1
NC
2
NO
3
NC
4
NC
1
NC
2
NC
3
NC
4
NC
Mounting Position
Bottom Button
Normal
Push
7
ø22 HW Series Accessories and Replacement Parts
Accessories
Shape
Material
Type No.
Ordering
Type No.
Package
Quantity
Dimensions (mm)
• Degree of protection: IP65
Rubber Boot
22.5
33
HW9Z-D7D HW9Z-D7D
1
58
Clear Silicon
Rubber
• Used to tighten the locking ring when installing the
HW switch onto a panel.
• Tighten the locking ring to a torque of 2.0 N·m.
Locking Ring Wrench
Metal
(weight:
approx. 150g)
MW9Z-T1
MW9Z-T1
1
8
ø2
110
OR-55
OR-55
1
ø14
Rubber
ø11.6
• Used to install and remove the LED/incandescent
lamps.
Lamp Holder Tool
59
• Used to plug unused ø22.2mm mounting holes.
Rubber Mounting
Hole Plug
ø29
ø25
Metallic Mounting
Hole Plug
Diecast Metal
(locking ring:
plastic)
LW9Z-BM
LW9Z-BM
1
3.5
5
• Used to plug unused ø22.2mm mounting holes.
• Tighten the locking ring to a torque of 1.2 N·m.
• IP66 (when the mounting hole does not have a ø3.2
mm hole for anti-rotation)
• Mounting panel thickness: 0.8 to 6 mm
ø25.8
12
Gasket
Locking Ring
3
OB-31PN05
3.5
Rubber (black) OB-31
• Used to prevent contact between adjacent lead
wires when units are mounted closely. Barriers
should always be used in close mounting.
Barrier
HW-VG1
HW-VG1PN10
10
45
Plastic
20
1.5
Ring Adapter
Rubber
HW9Z-A25
HW9Z-A25PN05
5
• Used to install the HW/TW units into ø25mm
mounting holes.
• Cannot be used with the HW9Z-D7D rubber boot.
Plastic
HW9Z-LS
HW9Z-LSPN10
10
• Yellow
Safety Lever Lock
8
HW Series Accessories and Replacement Parts ø22
Maintenance Parts
LED Lamps (LSTD Type)
Rated Current
Operating Voltage
AC
DC
6V AC/DC ±10%
17 mA (A, R, W, Y) 14 mA (A, R, W, Y)
8 mA (G, S)
5.5 mA (G, S)
LSTD-6➂
11 mA
LSTD-1➂
12V AC/DC ±10%
10 mA
24V AC/DC ±10%
11 mA
10 mA
Ordering
Type No.
Type No.
Illumination
Color Code
Package
Quantity
LSTD-6➂
1
LSTD-6➂PN10 Specify a color code
in place of ➂ in the
Ordering Type No.
LSTD-1➂
A: amber
G: green
LSTD-1➂PN10 R: red
S: blue
W: white
Y: yellow
LSTD-2➂
10
Base
1
BA9S/13
10
1
LSTD-2➂
LSTD-2➂PN10
10
Incandescent Lamps (LS Type)
Rated Operating
Voltage
Lamp Ratings
Type No.
1W (6.3V)
LS-6
1W (18V)
LS-8
1W (30V)
LS-3
Shape
Primary Voltage
Secondary
Voltage
Separate Mounting Type
100/110V AC
Package
Quantity
6V AC/DC
12V AC/DC
1
24V AC/DC
Transformer
200/220V AC
400/440V AC
Type No.
Applicable Load
TWR516
5.5V
TWR526
One full voltage type containing LSTD-6 LED
lamp (6V AC/DC) or LS-6 incandescent lamp
(6.3V AC/DC, 1W).
TWR546
9
ø22 HW Series Instructions
Safety Precautions
• Turn off power to HW series control units before starting
installation, removal, wiring, maintenance, and inspection
of the products. Failure to turn power off may cause electrical shocks or fire hazard.
• To avoid the possibility of burning yourself, use the lamp
holder tool when replacing lamps.
• For wiring, use wires of a proper size to meet voltage and
current requirements. Tighten the M3.5 terminal screws to
a tightening torque of 1.0 to 1.3 N·m. Failure to tighten terminal screws may cause overheating and fire.
Instructions
Panel Mounting
Remove the contact block assembly from the operator (for
transformer type pilot lights, remove the transformer from
the illumination unit). Remove the locking ring from the operator. Insert the operator into the panel cut-out from the front,
tighten the locking ring from the back, then install the contact block assembly to the operator.
• Removing and Installing the Contact Block Assembly
1. To remove the operator from the contact block, turn the
locking lever in the direction of the arrow shown below.
The operator can now be removed.
2. To reinstall, place the TOP markings on the operator and
the contact block mounting adapter in the same direction,
and insert the operator into the contact block mounting
adapter. Then turn the locking lever in the opposite direction.
3. When the spacing is narrower than the recommended
value, with the lever unlocked, mount the safety lever lock
and insert the contact unit to the operator. Then, lock the
lever and strongly push in the safety lever lock to install.
4. To remove the safety lever lock, insert a flat screwdriver
into the safety lever and push upwards.
Removing and Installing the Safety Lever Lock
Safety Lever Lock
➀ Push
Safety Lever Lock
Remove
Screwdriver
Lock Lever
➁ Install
Operator
Contact Block
➂ Lock
Panel
Removing
Installing
Replacement of Lens
• Removing
Remove the lens by inserting a screwdriver into the recess
of the lens through the bezel.
• Notes for Panel Mounting
1. When mounting the operator onto a panel, use the
optional locking ring wrench (MW9Z-T1) to tighten the
locking ring. Tightening torque must not exceed 2.0 N·m.
Do not use pliers. Excessive tightening will damage the
locking ring.
2. For the contact blocks and transformers housing LED and
incandescent lamps, make sure not to press the lamps
too hard, otherwise the lamp socket may be damaged.
Safety Lever Lock
IDEC strongly recommends using the safety lever lock
(HW9Z-LS, yellow) to prevent heavy vibration or maintenance personnel from unlocking the contact assembly.
1. HW series can be mounted vertically with a minimum
spacing of 55 mm but spacing should be determined to
ensure easy operation (recommended minimum spacing:
100 mm).
2. Mount the control unit onto the panel, lock the lever, and
push in the safety lever lock to install.
10
• Installing
Install the lens in the recess between the buttons by pressing against the bezel.
HW Series Instructions ø22
Instructions
Replacement of Lamps
Tightening Torque for Terminal Screws
Lamps can be replaced by using the lamp holder tool (OR55) from the front of the panel, or by removing the contact
block assembly from the operator unit.
• Removing the Lamps from the Front of the Panel
[How to Remove]
1. To remove, slip the lamp
holder tool onto the lamp
head lightly. Then push
slightly, and turn the lamp
holder tool counterclockwise.
Tighten the M3.5 terminal screws to a torque of 1.0 to 1.3
N·m.
Installation of LED Illuminated Units
When using full voltage type LED illuminated units, provide
protection against electrical noise, if necessary.
Applicable Wiring
The applicable wire size is 2 mm2 maximum. (solid wire ø1.6
mm maximum) One or two wires can be connected.
• Applicable Crimping Terminal
7.9 max.
ø3.6 min.
[How to Install]
1. To install, insert the lamp head into the lamp holder tool,
and hold the lamp as shown in the figure below.
5.5 min.
Be sure to use an insulation tube or cover on the crimping
part of the crimping terminal to prevent electrical shocks.
• Solid Wire
Lamp Holder Tool
ø1.6 max.
Lamp
4 max.
2. Place the pins on the lamp
base to the grooves in the
lamp socket. Insert the
lamp and turn it clockwise.
Lamp Base
8 max.
Note: When connecting wires to contact blocks or transformers in
the direction shown below, keep the insulation stripping
length 6.6 mm at the maximum.
About Pushbutton Switches
The pushbuttons cannot
be removed or replaced!
Do not attempt to remove
using a flat screwdriver or
pincers, otherwise the
pushbuttons may be damaged.
Do not attempt
to remove the
pushbuttons!
X1
X2
Pushbuttons
Installing the Rubber Boot
Narrow Mounting
When mounting the units closely in a horizontal row on
30mm centers, use optional barriers to prevent interconnection between adjoining terminals. The barriers can be
attached simply by pressing them onto the sides of contact
blocks.
30
30
When using the HW7D pushbuttons in places where the
pushbuttons are subjected to water splash or an excessive
amount of dust, make sure to use the HW9Z-D7D rubber
boot (IP65) which is ordered separately.
• Notes for Installing the Rubber Boot
Remove the gasket from the operator, and install the rubber
boot on the operator. Pull out the seals of the rubber boot
and place them around the operator sleeve as shown. Make
sure that the seals are not twisted or tucked inside and that
the gasket does not remain, otherwise the normal waterproof and dustproof characteristics are not ensured.
➀ Remove the gasket.
➁ Install the rubber boot
on the pushbuttons.
➂ Rubber boot is
installed.
Seals
Barrier
When mounting transformer
type illuminated units closely
in a horizontal row on 30-mm
centers, insert solid wires or
stranded wires into inside of
the terminal screw on the
transformer (see figure on the
right) to prevent short circuit
between adjoining terminals.
Install
Remove
X1
X2
X1
X2
Gasket
Seals
Inside Inside
11
Specifications and other descriptions in this catalog are subject to change without notice.
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Cat. No. EP1075-0 APRIL 2005 DNP PRINTED IN JAPAN