Schneider XB4BW73731M5 Harmony | Illuminated double-headed push button, metal, Ø22, 1 green flush I + 1 pilot light + 1 red projecting O, 240 V AC, 1 NO + 1 NC
The Schneider XB4BW73731M5 Harmony is a high-quality illuminated double-headed push button designed for industrial control and automation applications. This device features a metal construction for durability and includes:
One green flush push button (“I”)
One red projecting push button (“O”)
An integrated pilot light
It operates at 240V AC and includes 1 Normally Open (NO) and 1 Normally Closed (NC) contact, making it ideal for start/stop control circuits in machinery and industrial systems.
2. Key Features
Dual Push Button Design: Green flush button (“I”) for start, red projecting button (“O”) for stop.
Integrated Pilot Light: Provides clear status indication.
Robust Metal Housing: Ensures durability in demanding industrial environments.
Spring Return Mechanism: Ensures momentary operation for safe and reliable control.
Standard Ø22mm Mounting: Easily integrates into standard control panels.
Clear Start/Stop Functionality: The dual-button layout improves operational efficiency.
Enhanced Safety and Visibility: The built-in pilot light provides real-time status indication.
Reliable and Secure Control: Spring return ensures precise operation.
Industrial-Grade Durability: Metal construction withstands harsh environments.
Easy Installation: Standard 22mm mounting size allows quick panel integration.
5. Applications
Industrial control panels
Machinery start/stop operations
Electrical switching and signaling
Automation systems
6. Conclusion
The Schneider XB4BW73731M5 Harmony Illuminated Double-Headed Push Button is an efficient and durable control solution for industrial automation and control systems. Its dual-button design, integrated pilot light, and rugged metal construction ensure safe, clear, and reliable operation in control panels, machinery, and electrical switching applications.
Black marking when white caps
White marking when green, red or black caps
Light source
Protected LED
Light source colour
White
Device presentation
Complete product
Complementary
Fixing collar material
Zamak
Net weight
0.13 kg
Resistance to high pressure washer
7000000 Pa at 55 °C, distance : 0.1 m
Shape of signaling unit head
Rectangular
Type of operator
spring return
Operator profile
1 flush – 1 projecting push-buttons – 1 central pilot light
Operators description
Green ”I” – red ”O”
Operator profile
Green flush, I (white)
Red projecting, O (white)
Contacts type and composition
1 NO + 1 NC
Contact operation
Slow-break
Contacts usage
Standard contacts
Positive opening
With conforming to IEC 60947-5-1 appendix K
Operating travel
1.5 mm (NC changing electrical state)
2.6 mm (NO changing electrical state)
4.3 mm (total travel)
Operating force
3.5 N NC changing electrical state
3.8 N NO changing electrical state
Mechanical durability
1000000 cycles
Connections – terminals
Screw clamp terminals, <= 2 x 1.5 mm² with cable end conforming to IEC 60947-1 Screw clamp terminals, >= 1 x 0.22 mm² without cable end conforming to IEC 60947-1
Tightening torque
0.8…1.2 N.m conforming to IEC 60947-1
Shape of screw head
Cross compatible with JIS No 1 screwdriver
Cross compatible with Philips no 1 screwdriver
Cross compatible with pozidriv No 1 screwdriver
Slotted compatible with flat Ø 4 mm screwdriver
Slotted compatible with flat Ø 5.5 mm screwdriver
Contacts material
Silver alloy (Ag/Ni)
Short-circuit protection
10 A cartridge fuse type gG conforming to IEC 60947-5-1
[Ith] conventional free air thermal current
10 A conforming to IEC 60947-5-1
[Ui] rated insulation voltage
600 V (pollution degree 3) conforming to IEC 60947-1
[Uimp] rated impulse withstand voltage
6 kV conforming to IEC 60947-1
[Ie] rated operational current
3 A at 240 V, AC-15, A600 conforming to IEC 60947-5-1
6 A at 120 V, AC-15, A600 conforming to IEC 60947-5-1
0.1 A at 600 V, DC-13, Q600 conforming to IEC 60947-5-1
0.27 A at 250 V, DC-13, Q600 conforming to IEC 60947-5-1
0.55 A at 125 V, DC-13, Q600 conforming to IEC 60947-5-1
1.2 A at 600 V, AC-15, A600 conforming to IEC 60947-5-1
Electrical durability
1000000 cycles, AC-15, 2 A at 230 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
1000000 cycles, AC-15, 3 A at 120 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
1000000 cycles, AC-15, 4 A at 24 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
1000000 cycles, DC-13, 0.2 A at 110 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
1000000 cycles, DC-13, 0.5 A at 24 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
Electrical reliability
Λ < 10exp(-6) at 5 V and 1 mA in clean environment conforming to IEC 60947-5-4
Λ < 10exp(-8) at 17 V and 5 mA in clean environment conforming to IEC 60947-5-4
Signalling type
Steady
Bulb base
Integral LED
[Us] rated supply voltage
230…240 V AC at 50/60 Hz
Supply voltage limits
195…264 V AC
Current consumption
14 mA
Service life
100000 h at rated voltage and 25 °C
Surge withstand
1 kV conforming to IEC 61000-4-5
Compatibility code
XB4
Environment
Protective treatment
TH
Ambient air temperature for storage
-40…70 °C
Ambient air temperature for operation
-40…70 °C
Electrical shock protection class
Class I conforming to IEC 60536
IP degree of protection
IP66 conforming to IEC 60529
IP69K conforming to IEC 60529
IP69 conforming to IEC 60529
NEMA degree of protection
NEMA 13
NEMA 4X
IK degree of protection
IK06 conforming to IEC 50102
Standards
IEC 60947-5-1
CSA C22.2 No 14
IEC 60947-5-4
IEC 60947-1
JIS C8201-5-1
UL 508
IEC 60947-5-5
JIS C8201-1
Product certifications
CSA
LROS (Lloyds register of shipping)
BV
UL listed
DNV
Vibration resistance
5 gn (f= 2…500 Hz) conforming to IEC 60068-2-6
Shock resistance
30 gn (duration = 18 ms) for half sine wave acceleration conforming to IEC 60068-2-27
50 gn (duration = 11 ms) for half sine wave acceleration conforming to IEC 60068-2-27
Resistance to fast transients
2 kV conforming to IEC 61000-4-4
Resistance to electromagnetic fields
10 V/m conforming to IEC 61000-4-3
Resistance to electrostatic discharge
6 kV on contact (on metal parts) conforming to IEC 61000-4-2
8 kV in free air (in insulating parts) conforming to IEC 61000-4-2
Electromagnetic emission
Class B conforming to IEC 55011
Packing Units
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Height
8.600 cm
Package 1 Width
3.300 cm
Package 1 Length
5.300 cm
Package 1 Weight
126.000 g
Unit Type of Package 2
S03
Number of Units in Package 2
100
Package 2 Height
30.000 cm
Package 2 Width
30.000 cm
Package 2 Length
40.000 cm
Package 2 Weight
13.089 kg
Unit Type of Package 3
P06
Number of Units in Package 3
800
Package 3 Height
75.000 cm
Package 3 Width
60.000 cm
Package 3 Length
80.000 cm
Package 3 Weight
114.204 kg
Contractual warranty
Warranty
18 months
Main
Range of product
Harmony XB4
Product or component type
Illuminated double-headed push-button
Device short name
XB4
Bezel material
Chromium plated metal
Head type
Standard
Mounting diameter
22.5 mm
Colour of marking
Black marking when white caps
White marking when green, red or black caps
Light source
Protected LED
Light source colour
White
Device presentation
Complete product
Complementary
Fixing collar material
Zamak
Net weight
0.13 kg
Resistance to high pressure washer
7000000 Pa at 55 °C, distance : 0.1 m
Shape of signaling unit head
Rectangular
Type of operator
spring return
Operator profile
1 flush - 1 projecting push-buttons - 1 central pilot light
Operators description
Green ''I'' - red ''O''
Operator profile
Green flush, I (white)
Red projecting, O (white)
Contacts type and composition
1 NO + 1 NC
Contact operation
Slow-break
Contacts usage
Standard contacts
Positive opening
With conforming to IEC 60947-5-1 appendix K
Operating travel
1.5 mm (NC changing electrical state)
2.6 mm (NO changing electrical state)
4.3 mm (total travel)
Operating force
3.5 N NC changing electrical state
3.8 N NO changing electrical state
Mechanical durability
1000000 cycles
Connections - terminals
Screw clamp terminals, <= 2 x 1.5 mm² with cable end conforming to IEC 60947-1 Screw clamp terminals, >= 1 x 0.22 mm² without cable end conforming to IEC 60947-1
Tightening torque
0.8…1.2 N.m conforming to IEC 60947-1
Shape of screw head
Cross compatible with JIS No 1 screwdriver
Cross compatible with Philips no 1 screwdriver
Cross compatible with pozidriv No 1 screwdriver
Slotted compatible with flat Ø 4 mm screwdriver
Slotted compatible with flat Ø 5.5 mm screwdriver
Contacts material
Silver alloy (Ag/Ni)
Short-circuit protection
10 A cartridge fuse type gG conforming to IEC 60947-5-1
[Ith] conventional free air thermal current
10 A conforming to IEC 60947-5-1
[Ui] rated insulation voltage
600 V (pollution degree 3) conforming to IEC 60947-1
[Uimp] rated impulse withstand voltage
6 kV conforming to IEC 60947-1
[Ie] rated operational current
3 A at 240 V, AC-15, A600 conforming to IEC 60947-5-1
6 A at 120 V, AC-15, A600 conforming to IEC 60947-5-1
0.1 A at 600 V, DC-13, Q600 conforming to IEC 60947-5-1
0.27 A at 250 V, DC-13, Q600 conforming to IEC 60947-5-1
0.55 A at 125 V, DC-13, Q600 conforming to IEC 60947-5-1
1.2 A at 600 V, AC-15, A600 conforming to IEC 60947-5-1
Electrical durability
1000000 cycles, AC-15, 2 A at 230 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
1000000 cycles, AC-15, 3 A at 120 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
1000000 cycles, AC-15, 4 A at 24 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
1000000 cycles, DC-13, 0.2 A at 110 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
1000000 cycles, DC-13, 0.5 A at 24 V, operating rate <3600 cyc/h, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
Electrical reliability
Λ < 10exp(-6) at 5 V and 1 mA in clean environment conforming to IEC 60947-5-4
Λ < 10exp(-8) at 17 V and 5 mA in clean environment conforming to IEC 60947-5-4
Signalling type
Steady
Bulb base
Integral LED
[Us] rated supply voltage
230...240 V AC at 50/60 Hz
Supply voltage limits
195…264 V AC
Current consumption
14 mA
Service life
100000 h at rated voltage and 25 °C
Surge withstand
1 kV conforming to IEC 61000-4-5
Compatibility code
XB4
Environment
Protective treatment
TH
Ambient air temperature for storage
-40…70 °C
Ambient air temperature for operation
-40…70 °C
Electrical shock protection class
Class I conforming to IEC 60536
IP degree of protection
IP66 conforming to IEC 60529
IP69K conforming to IEC 60529
IP69 conforming to IEC 60529
NEMA degree of protection
NEMA 13
NEMA 4X
IK degree of protection
IK06 conforming to IEC 50102
Standards
IEC 60947-5-1
CSA C22.2 No 14
IEC 60947-5-4
IEC 60947-1
JIS C8201-5-1
UL 508
IEC 60947-5-5
JIS C8201-1
Product certifications
CSA
LROS (Lloyds register of shipping)
BV
UL listed
DNV
Vibration resistance
5 gn (f= 2…500 Hz) conforming to IEC 60068-2-6
Shock resistance
30 gn (duration = 18 ms) for half sine wave acceleration conforming to IEC 60068-2-27
50 gn (duration = 11 ms) for half sine wave acceleration conforming to IEC 60068-2-27
Resistance to fast transients
2 kV conforming to IEC 61000-4-4
Resistance to electromagnetic fields
10 V/m conforming to IEC 61000-4-3
Resistance to electrostatic discharge
6 kV on contact (on metal parts) conforming to IEC 61000-4-2
8 kV in free air (in insulating parts) conforming to IEC 61000-4-2
Electromagnetic emission
Class B conforming to IEC 55011
Packing Units
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Height
8.600 cm
Package 1 Width
3.300 cm
Package 1 Length
5.300 cm
Package 1 Weight
126.000 g
Unit Type of Package 2
S03
Number of Units in Package 2
100
Package 2 Height
30.000 cm
Package 2 Width
30.000 cm
Package 2 Length
40.000 cm
Package 2 Weight
13.089 kg
Unit Type of Package 3
P06
Number of Units in Package 3
800
Package 3 Height
75.000 cm
Package 3 Width
60.000 cm
Package 3 Length
80.000 cm
Package 3 Weight
114.204 kg
Contractual warranty
Warranty
18 months
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