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- Schneider Electric XB7NS8442 Harmony XB7 Emergency Stop Red Mushroom 40 mm 22 mm Emergency Stop Push Button Schneider Electric XB7NS8442 Harmony XB7 Emergency Stop Red Mushroom 40 mm 22 mm Emergency Stop Push Button
Schneider Electric XB7NS8442 Harmony XB7 Emergency Stop Red Mushroom 40 mm 22 mm Emergency Stop Push Button
Schneider Electric XB7NS8442 Harmony XB7 Emergency Stop Red Mushroom 40 mm 22 mm Emergency Stop Push Button
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- Description
The Schneider Electric XB7NS8442 is a Harmony XB7 emergency stop push button for 22 mm panel cutouts, with a red 40 mm mushroom head that latches on press and turns to release. It switches a 1 NC contact through screw-clamp terminals, and the IP65-rated plastic body meets ISO 13850 and IEC 60947-5-5 for machine emergency-stop duty.
Technical Specifications
| Reference | XB7NS8442 |
| Brand | Schneider Electric |
| Range of Product | Harmony XB7 |
| Product or Component Type | Emergency stop push-button |
| Device presentation | Monolithic product |
| Mounting diameter | 22 mm |
| Operator profile | Red mushroom Ø 40 mm, unmarked |
| Type of operator | Latching |
| Reset | Turn to release |
| Contacts type and composition | 1 NC |
| Contact operation | Snap action |
| Positive opening | With (IEC 60947-5-1 appendix K) |
| Short-circuit protection | 4 A cartridge fuse gG |
| [Ie] rated operational current | 1.5 A 120 V AC-15 | 0.75 A 240 V AC-15 | 0.22 A 125 V DC-13 | 0.1 A 250 V DC-13 |
| [Ui] rated insulation voltage | 250 V (IEC 60947-1) |
| [Uimp] rated impulse withstand voltage | 4 kV (IEC 60947-1) |
| Connections - terminals | Screw clamp, ≤ 2 x 1.5 mm² with cable end / 1 x 0.34...2 x 2.5 mm² without |
| Dimensions (H x W x D) | 40 x 40 x 72 mm |
| Net weight | 0.035 kg (0.077 lb) |
| IP degree of protection | IP20 rear / IP65 front (IEC 60529) |
| Enclosure Type | UL type 3/12 |
| Ambient air temperature, storage | -40...70 °C |
| GTIN | 3606480465581 |
Certifications & Standards
- CCC
- GOST
- 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
Selection Notes
The turn-to-release reset on the XB7NS8442 lets any operator at the panel clear the stop condition once the hazard is gone, without needing a key — appropriate where local reset authority is acceptable. Its single 1 NC contact is sized for direct wiring into a safety relay or safety-rated PLC input rather than switching motor load current.