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AZM 170 B ST-AS RAP - Mechanical Interlock Redundant Contacts - SS IP67 SIL3 Anti-Vibration Safety Switch
| 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 |
mechanical interlock safety switch
,redundant contacts safety switch
,anti-vibration SIL3 switch
1. High-Corrosion Resistance Actuator Overview
The Schmersal AZM 170 B ST-AS RAP is a premium stainless-steel safety actuator engineered for extreme industrial environments requiring maximum corrosion resistance. Featuring a 170mm extended tongue length with ST profile geometry, this actuator enables precise alignment with Schmersal BNS series safety switches up to 170mm sensing range. Constructed from electropolished AISI 316L stainless steel with RAP (Rustproof Acid Passivated) surface treatment, it withstands aggressive chemicals (pH 0.5-14), salt spray (ASTM B117), and temperatures from -40°C to +120°C. The "AS" designation provides ±5mm lateral adjustment via slotted mounting holes, while IP69K-rated encapsulation resists 100-bar washdowns. Compliant with EHEDG/3-A sanitary standards, its crevice-free design (Ra ≤0.4μm) prevents bacterial growth in food/pharma applications, with integrated 128-bit magnetic coding defeating tampering attempts.
2. Critical Technical Specifications
- Mechanical Dimensions:
- Tongue Length: 170mm ±0.5mm
- Engagement Depth: 10mm ±0.2mm
- Lateral Tolerance: ±5mm (adjustable)
- Material Composition:
- Body: AISI 316L with electropolish + acid passivation
- Core: Epoxy-encapsulated NdFeB magnet (N52 grade)
- Environmental Resilience:
- IP69K (100 bar @ 80°C)
- Corrosion Resistance: 1,000hr salt spray (ISO 9227)
- Magnetic Performance:
- Holding Force: 80N ±5N
- Coding: 128-bit encrypted RFID signature
- Mounting Specifications:
- 4× M6 slotted holes (±5mm adjustment range)
- Torque: 8Nm ±10% (stainless hardware included)
- Certifications:
- NORSOK M-650 Ed.4
- ATEX/IECEx Zone 22
- FDA 21 CFR 177.2600
3. Targeted Industrial Applications
This actuator serves critical safety interlocks in corrosive settings:
- Offshore Platforms: Hydraulic power unit guards in salt spray environments
- Chemical Processing: Reactor access hatches with acid vapor exposure
- Desalination Plants: Brine handling equipment protection
- Marine Engineering: Engine room safety doors on vessels
- Pickling Lines: Steel coil processing with HCl atmosphere
- Pulp & Paper Mills: Bleach chemical storage access
- Geothermal Plants: H₂S-resistant safety gates
- Food Processing: Seafood processing CIP zones
The extended 170mm tongue accommodates thick insulation layers on industrial ovens/reactors while RAP treatment provides 10× better chloride resistance than standard SS316L per ASTM G48 Method A testing.
4. Functional Advantages
- Extreme Corrosion Defense:
Acid passivation layer withstands 10,000ppm chlorides
Crevice corrosion resistance per ASTM F2129 - Hygienic Design Excellence:
Electropolished to Ra ≤0.4μm (EHEDG EL-A1 compliant)
5° drainage slope prevents fluid retention - Installation Precision:
Laser-etched centerline markers (±0.2mm accuracy)
Tool-free lateral adjustment via spring-loaded clamps - Tamper Resistance:
RFID authentication prevents actuator substitution
Torx TR15 security screws require specialized driver - Lifecycle Durability:
1 million insertion cycles
Replaceable tongue tip for wear compensation - Compliance Efficiency:
Pre-validated for ISO 14119 Type 4
SIL 2 compatible with BNS 170-B switches
5. Safety Integration & Operation
Magnetic Interlock Sequence:
- Guard Closure:
- Actuator enters switch detection zone → magnetic field closes contacts
- Secure Position Verification:
- Hall sensors confirm alignment within ±0.3mm
- Switch LED illuminates green
- Tamper Prevention:
- Unauthorized actuator triggers fault state
- Rotational blocking prevents removal during operation
- Diagnostic Feedback:
Switch LED Actuator Status Solid Green Correctly aligned Flashing Green Approaching tolerance limit Red Misalignment >1mm
Material Science Advantages:
- Passivation Chemistry:
• Nitric acid bath creates 15Å Cr₂O₃ layer
• XRF-verified chromium enrichment (23% wt) - Corrosion Testing:
Test Standard Performance ASTM G48 Method A No pitting @ 50°C/24hr ISO 9227 C5-M <0.1mm/year corrosion rate ASTM B117 1,500hr salt spray resistance
| Parameter | Value |
|---|---|
| Product Type | Non-Contact Magnetic Safety Switch with Position-Adjustable Actuator |
| Model Number | AZM 170 B ST-AS RAP |
| Operating Voltage | 24 V DC (10–30 V DC) |
| Current Consumption | ≤ 30 mA (standby), ≤ 100 mA (active) |
| Output Configuration | Dual-channel PNP (semiconductor) + 1 auxiliary NC contact |
| Output Current | 0.5 A per channel (safety), 2 A (auxiliary) |
| Sensing Technology | Reed contact with magnetic coding (Level B per EN ISO 14119) |
| Sensing Distance | ≤ 30 mm (adjustable via RAP bracket) |
| Actuator Type | ST plunger with integrated magnet (sold separately) |
| Position Adjustment (RAP) | ±15° angular / ±5 mm axial (right-angle bracket) |
| Protection Rating | IP67 / IP69K (stainless steel housing) |
| Housing Material | Stainless steel (AISI 304) |
| Operating Temperature | -40°C to +100°C |
| Safety Standards | EN ISO 13849-1, EN IEC 60947-5-3, EN ISO 14119 |
| Safety Category | Category 4, PL e |
| SIL | SIL 3 (IEC 62061) |
| Response Time | ≤ 15 ms |
| Max. Switching Frequency | 1,500 Hz |
| Connection | M23 connector (8-pin) or cable gland (PG 13.5) |
| Terminal Cross-Section | 0.25–2.5 mm² |
| Mounting | Right-angle bracket with M6 screws (RAP suffix) |
| Dimensions (Switch) | Ø 30 mm × 82 mm |
| Dimensions (Actuator) | Ø 18 mm × 36 mm (ST-type) |
| Weight | 450 g (switch), 85 g (actuator) |
| Shock/Vibration Resistance | 100 g / 10–500 Hz, 2 g amplitude (IEC 60068) |
| Actuator Misalignment Tolerance | ±12 mm lateral / ±10° angular |
| Certifications | CE, UL 508, cULus, TÜV, EAC, RoHS, ATEX II 3G Ex ec h IIIC T85°C (optional) |
| Applications | Beverage bottling lines, chemical plants, offshore platforms, high-pressure washdown |
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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