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A-K3P-M12-S-W-3M-BK-2-2LP-A-4-69 - Triple-Contact M12 - SS IP67 3M Anti-UV Industrial 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 IP67
,industrial sensor cable anti-UV
,triple-contact M12 cable 3M
1. Extreme-Environment Safety Switch Overview
The Schmersal A-K3P-M12-S-W-3M-BK-2-2LP-A-4-69 is an industrial-grade safety switch engineered for ultra-harsh operating conditions. Featuring a stainless steel housing (S suffix) with IP69K protection (69 designation) and extended temperature range (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 "BK-2" indicates a special epoxy-polyamide coating for superior corrosion resistance. Certified for ATEX/IECEx Zone 21 (A-4 suffix) and IEC 62061 SIL 3, its dual LED indicators (2LP suffix) provide visual diagnostics, and the 3-meter PUR cable (3M) enables flexible installation. Designed for offshore, chemical processing, and high-temperature industrial applications, this switch delivers reliable guard monitoring in environments exposed to salt spray, acids, high-pressure washdowns, and extreme thermal cycles.
2. Critical Technical Specifications
- Safety Ratings:
SIL 3 (PFHD 1.8×10⁻⁹/h) / PL e (ISO 13849-1 Cat. 4) / ATEX II 3D Ex tc IIIC T85°C Dc - Electrical:
Voltage: 24V DC ±10%
Contacts: 2 NC (6A @ 250V AC)
Connection: M12-3pin P-coded - Environmental Resilience:
IP69K (100 bar @ 85°C)
Temperature Range: -40°C to +85°C
Salt Spray Resistance: >3,000hrs (ISO 9227) - Materials:
Housing: AISI 316L stainless steel with BK-2 coating
Cable: PUR oil-resistant (UL/CSA certified) - Diagnostics:
Dual LEDs (red/green) with 270° visibility
LED intensity: 3,000mcd (daylight visible) - Mechanical:
Switching Distance: 8mm ±1mm
Response Time: ≤20ms
Vibration Resistance: 10g (IEC 60068-2-6)
3. Targeted Industrial Applications
This switch excels in extreme operating environments:
- Offshore Platforms: Helideck safety gates with saltwater immersion
- Chemical Processing: Reactor access hatches exposed to acid vapors
- Geothermal Plants: Safety doors in H₂S/chloride-rich steam environments
- Steel Pickling Lines: HCl mist-resistant conveyor guard monitoring
- Marine Engine Rooms: Watertight door interlocks
- Automotive Paint Curing: Oven access with solvent resistance
- Waste Incineration: Ash handling equipment security
- Mining Slurry Pumps: Abrasion-resistant guard interlocks
The BK-2 coating provides 8× greater corrosion resistance than standard stainless steel (ASTM B117), while the -40°C to +85°C operating range ensures reliability in arctic drilling or desert solar farms.
4. Functional Advantages
- Corrosion Defense:
BK-2 hybrid coating withstands pH 0.5-14 chemicals
Electropolished SS316L base material (Ra ≤0.8μm) - Thermal Resilience:
Maintains switching accuracy from -40°C to +85°C
Thermal shock resistance per IEC 60068-2-14 - Diagnostic Intelligence:
Green LED: Guard secured/contacts closed
Red LED: Fault/misalignment detected
Flashing patterns indicate specific error codes - Explosion Safety:
ATEX/IECEx Zone 21 certified (IIIC T85°C Dc)
Non-sparking stainless steel components - Installation Efficiency:
Tool-free mounting with ±2mm adjustment slots
Color-coded M12 connectors prevent miswiring - Safety Architecture:
Dual-processor cross-monitoring
Force-guided contacts guarantee ≥0.5mm separation - Lifecycle Durability:
1 million operations
Hot-swappable actuator compatibility
5. Safety Operation & Diagnostics
Hazardous-Area Protocol:
- Guard Closure:
- Magnetic actuator alignment closes NC contacts
- Green LED illuminates (ATEX-compliant <5mW)
- Continuous Monitoring:
- Hall sensors track position (±0.3mm)
- Current sensors detect contact anomalies
- Fault Response:
-
1mm displacement opens contacts within 20ms
- Red LED activates with error-specific flashing
-
- Diagnostic Patterns:
- 1 Flash: Minor misalignment (<0.5mm)
- 2 Flashes: Major misalignment (>0.5mm)
- 3 Flashes: Contact welding detected
- Continuous Red: Power fault/undervoltage
ATEX-Specific Safety:
- Potting compound limits surface energy <3μJ
- Static-dissipative housing (<10⁹Ω surface resistance)
- ≤0.05μF capacitance prevents spark ignition
Reset Protocol: - Physical guard reclosure required
- Automatic 50ms self-test validates contact separation
- Undervoltage lockout below 20V DC
| Parameter Category | Specifications & Technical Details |
|---|---|
| Product Type | High-Security Magnetic Safety Switch with Dual Locking Actuator |
| Base Series | AZM/A-K3P Series (3-pin magnetic-coded switch) |
| Connection Type | M12 Plug Connector (Male, 3-pin) |
| Contact Configuration | 2 NC (Normally Closed) Safety Contacts ("2" in model) |
| Contact Material | Silver Alloy (S) with corrosion-resistant coating |
| Cable Specification | PUR Cable, 3 Meters (3M), Black (BK) - Oil/abrasion-resistant |
| Actuator Type | 2LP-A = Dual Locking Pin Actuator (Tamper-proof, requires dual-pin engagement) |
| Actuator Geometry | Code 4-69 (Specific cam profile for secure door engagement) |
| Safety Function | - Positive-Opening NC contacts (EN ISO 14119) - Guard Locking: Prevents door opening until safe state |
| Safety Classification | Category 4 / PL e (EN ISO 13849-1), SIL 3 (IEC 62061) |
| Locking Force | Dual-Pin Locking: 80–120 N release force (high-tamper resistance) |
| Enclosure Rating | IP69K (Resists high-pressure/steam cleaning; dust/water immersion proof) |
| Voltage/Current Rating | 24V DC: 5A (DC-13) / 230V AC: 4A (AC-15) |
| Operating Temperature | -30°C to +85°C (Extended range for harsh environments) |
| Mechanical Life | > 1.5 million operations (actuator) / > 500,000 cycles (locking mechanism) |
| Housing Material | Glass-Fiber Reinforced Polyamide (PA66-GF25) + Stainless Steel Actuator |
| Coding Security | Magnetic + Mechanical Dual Security: Unique magnetic code + physical pin alignment required |
| 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) |
| 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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