Schneider XB4BS8442 Harmony | Emergency stop switching off, metal, red mushroom Ø40, Ø22, trigger latching turn to release, 1 NC
Schneider XB4BS8442 Harmony
Description
Schneider XB4BS8442 Harmony | Emergency Stop Switch
1. Overview
The Schneider XB4BS8442 is a high-quality emergency stop switch from the Harmony XB4 series, designed for industrial safety applications. It features a 40mm red mushroom head, a 22mm metal mounting base, a trigger latching mechanism, and a turn-to-release function for enhanced safety. This switch includes 1 NC (Normally Closed) contact, ensuring reliable emergency shutdown in critical systems.
2. Key Features
- Emergency Stop Function: Ensures quick machine shutdown for safety.
- Trigger Latching Mechanism: Locks in place upon activation to prevent accidental resets.
- Turn-to-Release: Rotational reset for controlled restart.
- 1 NC Contact: Breaks the circuit when pressed.
- Robust Metal Design: Ensures durability and resistance to harsh environments.
- Ø40mm Mushroom Head: Provides easy and intuitive operation.
- Ø22mm Mounting Size: Standard industrial compatibility.
3. Technical Specifications
- Product Series: Harmony XB4
- Type: Emergency Stop Switch
- Head Type: Mushroom, red
- Head Diameter: Ø40mm
- Mounting Diameter: Ø22mm
- Operation: Push to stop, turn to release
- Contact Configuration: 1 NC (Normally Closed)
- Material: Metal body for enhanced durability
- Terminal Type: Screw clamp terminal
- Standards Compliance: IEC 60947-5-1, CE, UL, and EN ISO 13850
4. Benefits
- Enhanced Safety: Provides immediate shutdown in emergency situations.
- Reliable Performance: Maintains a secure latching mechanism until manually reset.
- Easy Installation: Standard Ø22mm mounting size with screw terminals.
- Durable Construction: Metal body ensures long-lasting operation in industrial environments.
- Compliant with Safety Standards: Meets global safety regulations for industrial machinery.
5. Applications
- Industrial Machinery & Equipment
- Manufacturing and Processing Plants
- Control Panels & Automation Systems
- Power Stations & Electrical Panels
- Conveyor Systems & Material Handling Equipment
6. Conclusion
The Schneider XB4BS8442 Harmony Emergency Stop Switch is an essential safety component for industrial control systems. With its trigger latching mechanism, turn-to-release function, and robust metal design, it ensures reliable emergency shutdown and compliance with safety regulations. Ideal for industrial automation, machinery protection, and critical emergency stop applications.
Additional information
| brands | Schneider Electric |
|---|
Specifications
| Range of product | Harmony XB4 |
|---|---|
| Product or component type | Emergency switching off push-button Emergency stop push-button |
| Device short name | XB4 |
| Bezel material | Chromium plated metal |
| Fixing collar material | Zamak |
| Mounting diameter | 22.5 mm |
| Sale per indivisible quantity | 1 |
| Shape of signaling unit head | Round |
| Type of operator | trigger action and mechanical latching |
| Head type | Standard |
| Reset | Turn to release |
| Operator profile | Red mushroom Ø 40 mm, unmarked |
| Contact operation | Slow-break |
| 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 |
| Height | 47 mm |
|---|---|
| Width | 40 mm |
| Depth | 82 mm |
| Terminals description ISO n°1 | (21-22)NC |
| Net weight | 0.118 kg |
| Resistance to high pressure washer | 7000000 Pa at 55 °C, distance : 0.1 m |
| Contacts type and composition | 1 NC |
| Contacts usage | Standard contacts |
| Positive opening | With conforming to IEC 60947-5-1 appendix K |
| Operating travel | 1.5 mm (NC changing electrical state) 4.3 mm (total travel) |
| Mechanical durability | 300000 cycles |
| Tightening torque | 0.8…1.2 N.m conforming to IEC 60947-1 |
| Shape of screw head | 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 |
| Device presentation | Complete product |
| 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 IP67 IP69 IP69K |
| NEMA degree of protection | NEMA 13 NEMA 4X |
| IK degree of protection | IK06 conforming to IEC 50102 |
| Standards | IEC 60947-5-1 UL 508 CSA C22.2 No 14 ISO 13850 IEC 60947-5-5 JIS C8201-5-1 IEC 60947-1 IEC 60947-5-4 IEC 60204-1 IEC 60364-5-53 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 |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 4.500 cm |
| Package 1 Width | 5.400 cm |
| Package 1 Length | 8.800 cm |
| Package 1 Weight | 124.000 g |
| Unit Type of Package 2 | S03 |
| Number of Units in Package 2 | 80 |
| Package 2 Height | 30.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 10.428 kg |
| Unit Type of Package 3 | P06 |
| Number of Units in Package 3 | 640 |
| Package 3 Height | 75.000 cm |
| Package 3 Width | 60.000 cm |
| Package 3 Length | 80.000 cm |
| Package 3 Weight | 93.564 kg |
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