XALK178F | Comp station plast PB mushr red 2NC – Schneider Electric
₹5,710.00 Original price was: ₹5,710.00.₹3,654.40Current price is: ₹3,654.40. Excl. GST
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Looking for the XALK178F | Comp station plast PB mushr red 2NC? This genuine Schneider Electric push button from the Harmony XALK range is built for industrial, commercial, and infrastructure applications, combining proven reliability with full compliance to applicable IEC/IS standards. Key ratings include 3 A at 240 V, AC-15, A600 conforming to IEC 60947-5-1, IP66. Order part number XALK178F from myelectric.in — a trusted Schneider Electric supplier offering competitive pricing, GST billing, and shipping across India and overseas.
📋 Technical Specifications
| Product | |
| Brand | Schneider Electric |
| Part Number / SKU | XALK178F |
| Category | Push Button |
| Main | |
| Range of product | Harmony XALK |
| Product or component type | Complete control station |
| Device short name | XALK |
| Product destination | For XB5 Ø 22 mm control and signalling units |
| Control station application | Emergency switching off function Emergency stop 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 | Turn to release |
| Control station composition | 1 mushroom head Ø 40 mm push-button, red 2 NC unmarked marking |
| Contact operation | Slow-break |
| Complementary | |
| AC control voltage 50 HZ | 120…600 V |
| 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 |
| AC control voltage 60 HZ | 120…600 V |
| Product weight | 0.194 kg |
| DC control voltage | 125…600 V |
| Resistance to high pressure washer | 7000000 Pa at 55 °C, distance : 0.1 m |
| Number of command positions | 1 |
| Number of indicator lights | 0 |
| Number of push buttons | 0 |
| 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) |
| Operating force | 44 N |
| Number of selector switches | 0 |
| Mechanical durability | 300000 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 |
| Number of key switches | 0 |
| 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 |
| Number of mushroom-shaped push-buttons | 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 |
| Emergency power off | No |
| Electrical reliability | Λ < 10exp(-6) at 5 V, 1 mA conforming to IEC 60947-5-4 Λ < 10exp(-8) at 17 V, 5 mA conforming to IEC 60947-5-4 |
| Number of contacts as normally closed contact | 2 |
| Number of contacts as normally open contact | 0 |
| Number of contacts as change-over contact | 0 |
| Housing material | Plastic |
| Housing colour | Yellow |
| colour of cover | Yellow |
| Environment | |
| Protective treatment | TH |
| Ambient air temperature for storage | -40…70 °C |
| Ambient air temperature for operation | -40…70 °C |
| Overvoltage category | Class II 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 | IK03 conforming to IEC 62262 |
| Standards | IEC 60204-1 IEC 60947-5-1 IEC 60364-5-53 ISO 13850 CSA C22.2 No 14 UL 508 IEC 60947-5-5 IEC 60947-5-4 IEC 60947-1 UL 60947-5-1 UL 60947-5-5 UL 60947-1 |
| Vibration resistance | 5 gn (f= 12…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 |
| IP degree of protection | IP66/IP67/IP69/IP69K |
| NEMA degree of protection | NEMA 4X/13 |
| Packing Units | |
| Unit Type of Package 1 | PCE |
| Number of Units in Package 1 | 1 |
| Package 1 Height | 9.700 cm |
| Package 1 Width | 7.000 cm |
| Package 1 Length | 7.000 cm |
| Package 1 Weight | 168.000 g |
| Unit Type of Package 2 | S03 |
| Number of Units in Package 2 | 40 |
| Package 2 Height | 30.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 7.202 kg |
| Unit Type of Package 3 | P06 |
| Number of Units in Package 3 | 320 |
| Package 3 Height | 75.000 cm |
| Package 3 Width | 60.000 cm |
| Package 3 Length | 80.000 cm |
| Package 3 Weight | 67.964 kg |
| Contractual warranty | |
| Warranty (in months) | 18 |
⚡ Key Features
- 2 NC (Normally Closed) contact arrangement — provides the stated switching capacity for control and signalling circuits.
- Manufactured to IS/IEC 60947, IS 8828 (MCBs), IS 13947, IEC 61439 (DBs) — complies with Indian BIS and IEC international safety standards.
- BIS certified, CE marked, RoHS compliant — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
- Genuine authorised Schneider Electric product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
- GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.
- Worldwide export available — UAE, Singapore, UK, USA, Sri Lanka & more. Contact +91 94814 00316 for bulk pricing and international shipping.
🔗 Compatible Products & Accessories
The following genuine accessories and compatible devices are designed to work with this product. Contact myelectric.in for pricing and availability:
❓ Frequently Asked Questions
Q: What does the 2 NC (Normally Closed) contact configuration on the XALK178F mean?
A: These contacts change state when the device is operated or energised. Size the contact for the actual switched load — pilot duty ratings are typically lower than the main contact rating.












