Harmony XB7
Schneider Electric catalog image for this SKU; may represent the product family.
EMERGENCY STOP PUSH-BUTTON
Emergency stop Ø 22 - red - mushroom head Ø 40 mm - turn to release - 1 NC
SKU XB7NS8442Schneider Electric XB7NS8442 is a emergency stop push-button in the Harmony XB7 range. Key specifications include ip protection: IP20 (rear face) conforming to IEC 60529; net weight: 0.035 kg; product range: Harmony XB7.
IP20 (rear face) conforming to IEC 60529IP protection
0.035 kgNet weight
Harmony XB7Product range
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | XB7NS8442 |
|---|---|
| Range of product | Harmony XB7 |
| Product or component type | Emergency stop push-button |
| Device short name | XB7 |
| Mounting diameter | 22 mm |
| Sale per indivisible quantity | 10 |
| Shape of signaling unit head | Round |
| Type of operator | latching |
| Reset | Turn to release |
| Operator profile | Red mushroom Ø 40 mm, unmarked |
| Contacts type and composition | 1 NC |
| Connections - terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end conforming to IEC 60947-1 Screw clamp terminals, 1 x 0.34...2 x 2.5 mm² without cable end conforming to IEC 60947-1 |
| Device presentation | Monolithic product |
| CAD overall width | 40 mm |
| CAD overall height | 40 mm |
| CAD overall depth | 72 mm |
| Terminals description ISO n°1 | (11-12)NC |
| Net weight | 0.035 kg |
| Device mounting | Fixing hole - diameter: 22.5 mm 22.3 +0.4/0 conforming to IEC 60947-1 |
| Fixing center | >= 30 x 40 mm (support panel) metal - thickness: 1…6 mm >= 30 x 40 mm (support panel) plastic - thickness: 2…6 mm |
| Fixing mode | Fixing nut beneath head: 2…2.4 N.m |
| Contact operation | Snap action |
| Contacts usage | Standard |
| Positive opening | With conforming to IEC 60947-5-1 appendix K |
| Mechanical durability | 100000 cycles |
| Tightening torque | 0.8…1.2 N.m conforming to IEC 60947-1 |
| Shape of screw head | Cross compatible with JIS No 1 screwdriver 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 |
| Short-circuit protection | 4 A cartridge fuse type gG conforming to IEC 60947-5-1 |
| [Ui] rated insulation voltage | 250 V (pollution degree 3) conforming to IEC 60947-1 |
| [Uimp] rated impulse withstand voltage | 4 kV conforming to IEC 60947-1 |
| [Ie] rated operational current | 0.1 A at 250 V, DC-13, R300 conforming to IEC 60947-5-1 0.22 A at 125 V, DC-13, R300 conforming to IEC 60947-5-1 0.75 A at 240 V, AC-15, C300 conforming to IEC 60947-5-1 1.5 A at 120 V, AC-15, C300 conforming to IEC 60947-5-1 |
| Electrical durability | 1000000 cycles, DC-13, 0.3 A at 24 V, operating rate <216000 cyc/mn, load factor: 0.5 conforming to IEC 60947-5-1 appendix C 1000000 cycles, AC-15, 0.03 A at 230 V, operating rate <216000 cyc/mn, load factor: 0.5 conforming to IEC 60947-5-1 appendix C 1000000 cycles, AC-15, 0.09 A at 240 V, operating rate <108000 cyc/mn, load factor: 0.5 conforming to IEC 60947-5-1 appendix C |
| Electrical reliability | Λ < 5 x 10exp(-7) at 17 V and 5 mA conforming to IEC 60947-5-4 |
| Protective treatment | TH |
| Ambient air temperature for storage | -40…70 °C |
| Ambient air temperature for operation | -25…70 °C |
| Electrical shock protection class | Class II conforming to IEC 60536 |
| IP degree of protection | IP20 (rear face) conforming to IEC 60529 IP65 (front face) conforming to IEC 60529 |
| Enclosure Type | UL type 3/12 |
| Standards | IEC 60947-1 UL 508 CSA C22.2 No 14 IEC 60947-5-1 IEC 60947-5-5 IEC 60364-5-53 IEC 60204-1 ISO 13850 |
| Product certifications | CCC GOST |
| Vibration resistance | 5 gn (f= 2…500 Hz) conforming to IEC 60068-2-6 |
| Shock resistance | 15 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 ↗.