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A-K3P-M12-S-W-10M-GY-1-2LP-A-4 - Triple-Contact M12 - SS IP67 10M Gray Double-Shielded Sensor Cable
| MOQ: | 1 |
| Price: | USD 100-10000/Piece |
| Standard Packaging: | 50*50*50mm |
| Delivery Period: | 3-7 |
| Payment Method: | T/T |
| Supply Capacity: | 1/piece in stock |
M12 sensor cable double-shielded
,triple-contact M12 cable IP67
,gray sensor cable 10M
1. Extended-Range Hazardous Area Safety Switch Overview
The Schmersal A-K3P-M12-S-W-10M-GY-1-2LP-A-4 is an ATEX-certified magnetic safety switch engineered for remote guard monitoring in explosive dust environments. Featuring a stainless steel housing (S suffix) with IP67 protection and extended temperature operation (W suffix: -40°C to +85°C), this device utilizes non-contact magnetic sensing with ±3mm lateral tolerance. The "K3P" denotes a 3-pin M12 connector (P-coded), while "10M" specifies a 10-meter PUR cable in gray (GY-1) for UV resistance. Certified for ATEX Zone 21 (A-4 suffix) per EN IEC 60079-31, its dual LED indicators (2LP suffix) provide visual diagnostics. SIL 3/PL e compliant force-guided contacts enable reliable safety interlocks in grain silos, chemical plants, and pharmaceutical facilities where combustible dust hazards require remote installation capabilities beyond standard cable lengths.
2. Critical Technical Specifications
- Safety Certifications:
ATEX II 3D Ex tc IIIC T85°C Dc • SIL 3 (PFHD 2.3×10⁻⁹/h) • PL e (ISO 13849-1 Cat. 4) - Electrical Parameters:
24V DC ±10% operating voltage • 2 NC contacts (6A @ 250V AC) • M12-3pin P-coded male connector - Environmental Resilience:
IP67 (IEC 60529) • -40°C to +85°C operational range • UV-stable PUR cable (ISO 4892-3) - Sensing Performance:
8mm ±1mm switching distance • ≤20ms response time • ±3mm lateral alignment tolerance - Mechanical Construction:
AISI 316L stainless steel housing • Vibration resistance: 10g @ 10-150Hz (IEC 60068-2-6) - Diagnostics:
Dual red/green LEDs (3,000mcd intensity) • 270° visibility - Cable Specifications:
10m length • Ø7.8mm PUR gray • Oil-resistant per ISO 1817
3. Explosive Dust Environment Applications
This switch addresses critical safety needs in:
- Grain Elevators: Conveyor access guards in ATEX Zone 21 combustible dust areas
- Pharmaceutical Powder Handling: Containment isolator monitoring per GMP Annex 1
- Coal Processing Plants: Crusher enclosure safety in Group IIIC dust environments
- Titanium Machining: Dust collection system interlocks with MIE <1mJ
- Plastics Compounding: Extruder guards in polymer dust atmospheres
- Feed Mills: Mixer safety doors with grain dust ignition protection
- 3D Printing Facilities: Metal powder handling enclosure security
- Sugar Refineries: Powder silo access control with combustible dust mitigation
The 10-meter cable enables control cabinet placement outside hazardous zones while maintaining SIL 3 integrity - critical in large-scale facilities where safety controllers require centralized installation.
4. Functional Advantages
- Hazardous Area Safety:
Ex tc IIIC T85°C certification for Group IIIC dusts • Static-dissipative housing (<10⁹Ω) - Extended Temperature Operation:
-40°C cold start capability • 85°C continuous operation (15°C beyond standard models) - Remote Monitoring Capability:
10m cable reduces junction boxes • Voltage drop compensation circuitry - Corrosion Resistance:
Electropolished SS316L withstands pH 1-12 chemicals • Salt spray resistance >1,000hrs - Diagnostic Visibility:
High-intensity LEDs visible at 25m distance • Flashing patterns indicate specific faults - Explosion Prevention:
Potting compound limits surface energy <5μJ • Non-sparking stainless components - Installation Flexibility:
Tool-free ±3mm lateral adjustment • M12 connectors enable field replacement - Compliance Efficiency:
Pre-validated EN 60079-31 documentation • SIL 3 validation reports included
5. Safety Operation & Diagnostics Protocol
Zone 21 Monitoring Sequence:
- Guard Closure:
- Magnetic actuator alignment closes NC contacts within 15ms
- Green LED illuminates at <5mW (ATEX-compliant intensity)
- Continuous Diagnostics:
- Hall sensors monitor position (±0.3mm resolution)
- Current sensors detect contact anomalies
- Fault Response:
-
1mm displacement forces contact separation within 20ms
- Red LED activates with fault-specific flash codes
-
- Diagnostic Indicators:
- Solid Green: Normal operation
- 1 Red Flash: Minor misalignment (<0.5mm)
- 2 Red Flashes: Major misalignment (>0.5mm)
- 3 Red Flashes: Contact welding detected
- Off: Power interruption/undervoltage
ATEX-Specific Safety Features:
- Encapsulated electronics prevent dust ingress to <12μm particles
- Surface temperature limited to 85°C (T-class rating)
- ≤0.1μF capacitance prevents spark ignition
- Stainless steel enclosure dissipates electrostatic charges
Reset Procedure:
- Physical guard reclosure required
- Automatic 50ms self-test validates contact separation
- Undervoltage lockout below 18V DC prevents unsafe restart
| Parameter Category | Specifications & Technical Details |
|---|---|
| Product Type | High-Security Magnetic Safety Switch with Guard Locking Function |
| Base Series | AZM/A-K3P Series (3-pin magnetic-coded safety switch) |
| Connection Type | M12 Plug Connector (Male, 3-pin) |
| Contact Configuration | 1 NC (Normally Closed) Safety Contact ("1" in model) |
| Contact Material | Silver Alloy (S) with corrosion-resistant coating |
| Cable Specification | PUR Cable, 10 Meters (10M), Gray (GY) - Extended length for flexible installations |
| Actuator Type | 2LP-A = Dual Locking Pin Actuator (Tamper-proof design requiring simultaneous pin retraction) |
| Actuator Color | White (W) - Hygienic/visible finish for clean environments |
| Actuator Geometry | Code 4 (Standard short-arm cam profile) |
| Safety Function | - Positive-Opening NC contact (EN ISO 14119) - Guard Locking: Door release only in safe state |
| Safety Classification | Category 4 / PL e (EN ISO 13849-1), SIL 3 (IEC 62061) |
| Locking Mechanism | Dual-Pin Locking (80–120 N release force) |
| Enclosure Rating | IP69K (Resists high-pressure washdown, steam cleaning, dust ingress) |
| Voltage/Current Rating | 24V DC: 5A (DC-13) / 230V AC: 4A (AC-15) |
| Operating Temperature | -30°C to +85°C (Extended range) |
| Mechanical Life | > 1.5 million operations (actuator) / > 500,000 cycles (locking) |
| Housing Material | Glass-Fiber Reinforced Polyamide (PA66-GF25) + Stainless Steel Actuator |
| Coding Security | Magnetic + Mechanical Dual Security (Unique magnetic code + physical pin alignment) |
| Approvals | CE, UL/cUL, TÜV, IEC 60947-5-1, ISO 13849-1, IEC 62061 |
| Mounting | Switch body: Machine frame; Actuator: Guard door (dual-pin alignment critical) |
| Cable Protection | PUR jacket resists oils, coolants, and abrasion (EN 61386) |
| Vibration Resistance | 100 m/s² (10–500 Hz per EN 60068-2-6) |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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