The Schneider Electric XB4BS8442 is a 40mm emergency stop switch designed for safety and control applications. It features a red mushroom-shaped button with trigger latching and turn-to-release functionality. The switch is equipped with one normally closed (NC) contact to quickly and effectively halt machinery or processes in emergency situations. This reliable and durable switch is a crucial component for ensuring workplace safety.
Product Features:
Emergency Stop Switch: Provides an immediate and effective means to stop equipment or processes in case of an emergency.
40mm Mushroom Button: The large button is easy to identify and actuate.
Trigger Latching: Enables the switch to stay engaged when triggered.
Turn-to-Release: To release the switch, simply turn the mushroom button.
1 Normally Closed (NC) Contact: A single NC contact provides a reliable electrical interruption when the switch is activated.
Durable and Reliable: Built to withstand demanding industrial environments.
Product Specifications:
Button Type: Mushroom
Button Diameter: 40mm
Latching Type: Trigger Latching
Release Type: Turn-to-Release
Contact Type: 1 Normally Closed (NC)
Color: Red
Material: Metal
Industrial Use: Yes
Specifications
| Main | |
| 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 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 | |
| Complementary | |
| 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 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 |
| 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 |
| 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 |
| BV | |
| UL listed | |
| LROS (Lloyds register of shipping) | |
| GL | |
| 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 | |