XCS-0B4
सक्रियKillark 22mm ATEX Push Button Station
Hubbell Killark explosion-proof push button control station.
सामान्य अनुप्रयोग
American-made explosion-proof push button for Class I Div 1 / ATEX Zone 1 hazardous locations. Cast aluminum enclosure with copper-free construction for hydrogen environments. Hubbell Killark is the American standard for explosion-proof controls — specified on US oil refineries, chemical plants, and gas processing facilities. The American equivalent of Pepperl+Fuchs in Europe.
Research Notes
1. Overview
The Hubbell Killark XCS-0B4 is a factory-sealed explosion-proof pushbutton control station from Killark's XCS series, built for hazardous (classified) locations — Class I, Division 1 (and Zone 1), Class II. It's a rugged cast-aluminum, NEMA 7/9 enclosure housing a single momentary pushbutton operator with a 1 NO contact (rated ~10 A). It provides safe manual control (start/stop/function) of equipment in areas with flammable gases/vapors or combustible dust — refineries, chemical plants, fuel/grain handling, etc.
2. User Sentiment
Killark is a trusted name in hazardous-location control. These stations are specified for compliance and durability — heavy cast enclosures, factory-sealed operators, and multi-standard listings (UL/cUL, and ATEX/IECEx for international). There's no consumer "sentiment"; selection turns on the area classification, the operator/contact configuration, and correct conduit/sealing practice at install.
3. Real-World Applications
Manual control (start/stop, function, or e-stop where configured) of motors, pumps, and equipment in explosive/dust-hazard areas — oil & gas, petrochemical, fuel terminals, grain/agri processing, paint/solvent plants.
4. Technical Specifications
- Type: Explosion-proof pushbutton control station (single operator), momentary
- Contact: 1 NO (~10 A rating)
- Enclosure: cast aluminum, NEMA 7/9 (factory-sealed)
- Hazardous rating: Class I Div 1 / Zone 1; Class II (dust)
- Approvals: UL, cUL, ATEX, IECEx
- Series: Killark XCS control stations
5. Ordering & Compatibility
Part of the Killark XCS series (the suffix defines operator count/type/contacts — this is a single pushbutton, 1 NO). Confirm the area classification (gas group/temperature class), operator function, and contact configuration for the application, plus proper sealing fittings/conduit per code. Stocked by industrial distributors (AutomationDirect, Radwell, etc.).
6. Known Issues
No notable reliability issues — purpose-built hazardous-location hardware. Practical care: it is a classified-location device — installation, sealing, and maintenance must follow NEC/area-classification rules; verify the correct Division/Zone, gas/dust group, and temperature class for the site, and the operator/contact match the control function.
2 sources
- Killark XCS-0B4 explosion-proof pushbutton control station — hubbell.com
- Killark XCS-0B4 Control Station, 10A, hazardous location — automationdirect.com
स्पेसिफिकेशन
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ATEX Zone
The hazardous area classification. Zone 1 = gas likely present. Zone 2 = gas unlikely. Zone 21/22 = combustible dust.
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Zone 1, Class I Div 1
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Certifications
Third-party safety certifications. UL = required for US NEC installations. CE = EU compliance. CSA = Canadian standards.
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UL, cUL, ATEX, IECEx
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Contact Configuration
Normally Open — circuit is off until you press. Standard for start/go/enable functions.
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1NO
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Contact rating
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~10A, 1NO (single-pole)
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Hazardous note
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Class I Div 1 / Zone 1, Class II (dust); factory-sealed cast-aluminum NEMA 7/9
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IP Rating
Ingress Protection rating — first digit is dust (0-6), second is water (0-9). Higher is better.
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NEMA 7/9
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Material
The bezel/body material. Metal bezels are more durable in harsh environments. Plastic is lighter and cheaper.
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Cast aluminum
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Series
The manufacturer's product family. Products in the same series share mounting systems and accessories.
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Killark XCS explosion-proof control stations
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इंस्टॉलेशन त्वरित संदर्भ
Panel cutout: 22mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).
Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.
Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.
आयाम
वायरिंग डायग्राम
समस्या निवारण
Button doesn't respond when pressed
Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.
Works intermittently
Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.
Button feels mushy or doesn't click
The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.
कहाँ से खरीदें
मूल्य सीमा
$20.14 — $118.34
2 वितरकों से
संक्षिप्त स्पेसिफिकेशन
- ATEX Zone
- Zone 1, Class I Div 1
- Certifications
- UL, cUL, ATEX, IECEx
- Contact Configuration
- 1NO
- Contact rating
- ~10A, 1NO (single-pole)
- Hazardous note
- Class I Div 1 / Zone 1, Class II (dust); factory-sealed cast-aluminum NEMA 7/9
उपयोगकर्ता क्या कह रहे हैं
“American-made explosion-proof push button for Class I Div 1 / ATEX Zone 1 hazardous locations. Cast aluminum enclosure with copper-free construction for hydrogen environments. Hubbell Killark is the A”