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Specification & Description
| Specification | Description |
|---|---|
| Part Number | XALK178F |
| Manufacturer | Schneider |
| Product Range | Harmony XALK |
| Type | Complete control station |
| Device Short Name | XALK |
| Application | Emergency stop function, Emergency switching off function |
| Colour of Base of Enclosure | Light grey (RAL 7035) |
| Colour of Cover | Yellow (RAL 1021) |
| Material | Polycarbonate |
| Operator Profile | 1 mushroom head push-button |
| Operators Description | Red unmarked 2 NC |
| Reset Mechanism | Turn to release |
| Contact Operation | Slow-break |
| Cable Entry | 1 knock-out for cable entry 0...14 mm, 2 knock-outs for Pg 13 cable gland and ISO M20 0...12 mm |
| Net Weight | 0.43 lb(US) (0.194 kg) |
| Resistance to High Pressure Washer | 1015.26 psi (7000000 Pa) at 131 °F (55 °C), 0.1 m |
| Positive Opening | With conforming to EN/IEC 60947-5-1 appendix K |
| Operating Travel | 0.06 in (1.5 mm) NC changing electrical state, 0.17 in (4.3 mm) total travel |
| Operating Force | 44 N |
| Mechanical Durability | 300000 cycles |
| Connections - Terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end, >= 1 x 0.22 mm² without cable end |
| Tightening Torque | 7.08…10.62 lbf.in (0.8…1.2 N.m) |
| Screw Head Shape | Cross Philips no 1, Cross pozidriv No 1, Slotted flat Ø 4 mm, Slotted flat Ø 5.5 mm |
| Contacts Material | Silver alloy (Ag/Ni) |
| Rated Insulation Voltage | 600 V (pollution degree 3) |
| Rated Impulse Withstand Voltage | 6 kV |
| Rated Operational Current | 3 A at 240 V AC-15, 6 A at 120 V AC-15, 0.1 A at 600 V DC-13, 0.27 A at 250 V DC-13, 0.55 A at 125 V DC-13, 1.2 A at 600 V AC-15 |
| Electrical Durability | 1000000 cycles for various AC-15 and DC-13 operations |
| IP Degree of Protection | IP66, IP67, IP69, IP69K |
| NEMA Degree of Protection | NEMA 13, NEMA 4X |
| IK Degree of Protection | IK03 |
| Standards | EN/IEC 60204-1, JIS C 4520, EN/IEC 60947-5-1, IEC 60364-5-53, EN/ISO 13850, CSA C22.2 No 14, UL 508, EN/IEC 60947-5-5, EN/IEC 60947-5-4, EN/IEC 60947-1 |
| Vibration Resistance | 5 gn (f= 12…500 Hz) |
| Shock Resistance | 30 gn (duration = 18 ms), 50 gn (duration = 11 ms) |
The Schneider XALK178F is a robust and reliable complete control station from the Harmony XALD series, designed to offer an efficient emergency stop function for industrial applications. This surface-mounted unit features a distinctive yellow lid for high visibility and a large, red mushroom push button that is easy to operate in urgent situations. The push button requires a turn to release, ensuring that the emergency stop is securely engaged when pressed.
Constructed with a polycarbonate material known for its durability, the XALK178F can withstand the rigours of industrial environments, including exposure to high-pressure washers. The control station is equipped with two normally closed (NC) contacts and offers slow-break operation, which is essential for safety applications. The unit also includes positive opening operation in compliance with IEC 60947-5-1 appendix K, ensuring reliable disconnection for safety functions.
The XALK178F is designed for seamless integration with XB5 Ø 22 mm control and signalling units, making it a versatile choice for a wide range of industrial control systems. The control station's electrical durability is rated at 1,000,000 cycles, highlighting its capacity for long-term use. With an IP66 rating, it is protected against dust and high-pressure water jets, making it suitable for use in various challenging conditions.
This control station is an essential component for any industrial setting that prioritises safety and requires a dependable emergency stop mechanism. Its straightforward design, combined with its compliance with international standards, makes the Schneider XALK178F a top choice for enhancing the safety and control of your machinery and processes.
Commonly Asked Questions
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Frequently Asked Questions
What type of control station is this?
This is a complete control station designed for emergency stop and emergency switching off functions, featuring a red mushroom head push-button with a turn to release mechanism.
What is the colour and material of the enclosure?
The base of the enclosure is light grey, and the cover is yellow. The material used for the enclosure is polycarbonate, known for its durability and resistance to impact.
Can you describe the operator profile of the control station?
The operator profile consists of a single mushroom head push-button that is red and unmarked, with two normally closed (NC) contacts.
What are the cable entry specifications for this control station?
The control station has one knock-out for cable entry with a maximum capacity of 14 mm, and two knock-outs for Pg 13 cable gland and ISO M20 with a maximum capacity of 12 mm.
What is the mechanical durability of the push-button?
The push-button is mechanically durable for up to 300,000 cycles, ensuring long-term reliability in repetitive use scenarios.
What are the electrical durability specifications?
The electrical durability is rated at 1,000,000 cycles for various AC and DC operational currents and voltages, in accordance with IEC standards.
What type of terminals does the control station have?
It is equipped with screw clamp terminals that can accommodate cables with or without cable ends, supporting a range of wire sizes as specified in the IEC standards.
What is the IP degree of protection for this control station?
The control station has an IP degree of protection rated at IP66, IP67, IP69, and IP69K, indicating a high level of protection against dust and water ingress.
Is the control station compliant with environmental regulations?
Yes, it is a Green Premium product, compliant with REACh and RoHS regulations, free of toxic heavy metals and mercury, ensuring environmental safety and sustainability.
What is the rated operational current for this control station?
The rated operational current varies depending on the voltage and type of current, with specifications such as 3 A at 240 V AC-15 and 0.1 A at 600 V DC-13, among others.
