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Specification & Description
| Specification | Description |
|---|---|
| Part Number | XB4BS8445 |
| Manufacturer | Schneider Electric |
| Product Type | Emergency stop push-button |
| Bezel Material | Chromium plated metal |
| Fixing Collar Material | Zamak |
| Mounting Diameter | 22 mm |
| Shape of Signalling Unit Head | Round |
| Type of Operator | Trigger action and mechanical latching |
| Operator Profile | Red mushroom Ø 40 mm, unmarked |
| Contacts Type and Composition | 1 NO + 1 NC, silver alloy (Ag/Ni) |
| Contact Operation | Slow-break |
| Connections - Terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end; >= 1 x 0.22 mm² without cable end |
| Height | 47 mm |
| Width | 40 mm |
| Depth | 82 mm |
| Net Weight | 0.13 kg |
| Mechanical Durability | 300,000 cycles |
| Electrical Durability | 1,000,000 cycles for specified AC/DC operations |
| Tightening Torque | 0.8…1.2 N.m |
| Rated Insulation Voltage | 600 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Rated Operational Current | 3 A at 240 V AC-15, A600; 6 A at 120 V AC-15, A600; Various ratings for DC-13 operations |
| IP Degree of Protection | IP66, IP67, IP69, IP69K |
| NEMA Degree of Protection | NEMA 13, NEMA 4X |
| IK Degree of Protection | IK06 |
| Standards | EN/IEC 60204-1, EN/IEC 60947-1, UL 508, IEC 60364-5-53, EN/ISO 13850, CSA C22.2 No 14, etc. |
| Product Certifications | BV, GL, LROS, DNV, CSA, UL Listed |
| Vibration Resistance | 5 gn (2…500 Hz) |
| Shock Resistance | 30 gn for 18 ms, 50 gn for 11 ms |
| Ambient Air Temperature for Operation | -40…70 °C |
| Ambient Air Temperature for Storage | -40…70 °C |
The Schneider XB4BS8445 is a robust and reliable emergency stop push-button designed for a wide range of industrial applications. This essential safety component features a prominent red mushroom head, measuring 40mm in diameter, which provides quick and easy access for operators to halt machinery in critical situations. Engineered with a trigger action and mechanical latching, the device ensures a secure and immediate response when engaged.
Constructed with a chromium-plated metal bezel and a fixing collar made from high-strength Zamak, the XB4BS8445 is built to withstand the rigours of industrial environments. Its mounting diameter is a standard 22mm, making it compatible with a variety of control panels and equipment interfaces. The push-button offers slow-break contact operation and includes both normally closed (NC) and normally open (NO) contacts, providing flexibility in circuit design to cater to diverse safety requirements.
The XB4BS8445 is designed to maintain its integrity and performance even in demanding conditions, boasting an IP66/IP67/IP69/IP69K degree of protection, which ensures resistance against dust, water, and high-pressure washdowns. It also meets international standards, including EN/IEC 60947-1 and UL 508, affirming its quality and reliability for global use.
With its straightforward installation process, positive opening operation compliant with EN/IEC 60947-5-1 appendix K, and a mechanical durability rated at 300,000 cycles, the Schneider XB4BS8445 is a dependable choice for enhancing the safety of your industrial automation systems.
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Frequently Asked Questions
What type of emergency stop does this component offer?
This component provides an emergency stop function with a red mushroom head and trigger action for swift shutdowns in critical situations.
Can you describe the reset mechanism of this emergency stop?
The reset mechanism is a turn-to-release type, which ensures that the emergency stop is engaged until it is manually reset by a twist action.
What are the dimensions for mounting this emergency stop button?
The mounting diameter for the emergency stop button is 22mm, and it is designed to fit into standard panel cut-outs for ease of installation.
What is the degree of protection provided by this emergency stop button?
The emergency stop button is rated at IP66, IP67, IP69, and IP69K, offering high levels of protection against dust and water ingress.
What materials are used in the construction of this emergency stop button?
The bezel material is chromium plated metal, and the fixing collar is made of Zamak, providing robustness and durability.
Is this emergency stop button compliant with international safety standards?
Yes, it complies with several international safety standards, including EN/IEC 60947-1 and EN/ISO 13850, ensuring its reliability and safety in various applications.
What type of contacts does this emergency stop button have?
It features slow-break contacts with a composition of 1 normally open (NO) and 1 normally closed (NC) contact.
How does this emergency stop button contribute to sustainable practices?
The product is part of the Green Premium range, which indicates a commitment to environmental sustainability through compliance with various environmental regulations and standards.
What is the mechanical durability of this emergency stop button?
The mechanical durability is rated at 300,000 cycles, indicating a long operational lifespan under normal usage conditions.
How is the emergency stop button connected to the control circuit?
The button can be connected using screw clamp terminals, which accommodate a range of wire sizes for secure and reliable connections.
