Harmony XALK
Schneider Electric catalog image for this SKU; may represent the product family.
COMPLETE CONTROL STATION
Control station, Harmony, plastic, yellow, 1 red mushroom head push button 40mm, emergency stop turn to release, 1 NC, legend holder EMERGENCY STOP
SKU XALK1781H29Schneider Electric XALK1781H29 is a complete control station in the Harmony XALK range. Key specifications include ip protection: IP66/IP67/IP69/IP69K; net weight: 0.194 kg; product range: Harmony XALK.
IP66/IP67/IP69/IP69KIP protection
0.194 kgNet weight
Harmony XALKProduct range
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | XALK1781H29 |
|---|---|
| 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 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 ''EMERGENCY STOP'' 1 NC |
| Reset | Turn to release |
| Control station composition | 1 mushroom head Ø 40 mm push-button, red 1 NC EMERGENCY STOP marking |
| Marking location | Marking on legend holder |
| Contact operation | Slow-break |
| 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 |
| Net 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 | 1 |
| 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 |
| 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/IP67/IP69/IP69K |
| NEMA degree of protection | NEMA 4X/13 |
| IK degree of protection | IK03 conforming to IEC 62262 |
| Standards | IEC 60947-1 IEC 60947-5-4 CSA C22.2 No 14 IEC 60947-5-1 JIS C 4520 IEC 60204-1 UL 508 ISO 13850 IEC 60947-5-5 |
| 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 |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.