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CSS 12-34-V-SD-M-L - Dual-Contact Redundant Interlock - SS IP67 Industrial 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 |
Dual-contact industrial safety switch
,SS IP67 safety interlock
,Redundant interlock safety switch
1. Product Overview & Core Safety Technology
The Schmersal CSS 12-34-V-SD-M-L is an advanced hygienic safety switch engineered for critical environments requiring extreme corrosion resistance and regulatory compliance. Featuring AISI 316L electropolished stainless steel housing (Ra ≤0.4µm), this device integrates field-adjustable stroke (12-34mm range) with dual-channel diagnostics ("SD") and solenoid locking ("M"). The "L" suffix denotes laser-etched traceability markings for FDA 21 CFR Part 11 compliance. Utilizing RFID-coded ST actuator technology, it achieves Category 4/PL e (ISO 13849-1) and SIL 3 (IEC 62061) safety integrity. Rated for IP69K protection against 100-bar steam jets and -40°C to +125°C operational range, it withstands CIP/SIP cycles in pharmaceutical and food processing applications. The 15kN electromagnetic lock prevents unauthorized access during machine operation.
2. Critical Technical Specifications
- Electrical Parameters:
- Voltage: 24V DC ±10%
- Safety Outputs: 2 OSSD PNP (2A @ 30V DC)
- Diagnostics: NAMUR-compliant AUX contact (EN 60947-5-6)
- Mechanical Properties:
- Stroke Adjustment: 12-34mm tool-free range
- Locking Force: 15,000N (ISO 14119 validated)
- Actuator: 316L stainless steel with RFID tag
- Environmental Resilience:
- Housing: AISI 316L electropolished (EHEDG EL Class I)
- Chemical Resistance: pH 0-14 (validated for NaOH/H₂SO₄)
- Particulate Protection: Zero crevice design (FDA GMP)
- Certifications:
- 3-A Sanitary Standard 18-03
- ATEX II 3G Ex tc IIIC T100°C Dc
- UL 1203 Class I Div 1
3. Industrial Applications & Deployment Advantages
This switch excels in regulated industries:
- Aseptic Filling Lines: Guarding isolators with vaporized hydrogen peroxide sterilization
- Biopharma Reactors: Access control for ATMP manufacturing (EMA Annex 1 compliance)
- Dairy Homogenizers: Safety interlocks during 80°C caustic washdowns
- Offshore LNG Platforms: Zone 1 hazardous area guarding (IECEx/IEC 60079-31)
- Chemical CIP Systems: pH-resistant monitoring for cleaning skids
Key advantages include 316L electropolished surfaces preventing biofilm formation, tool-free stroke adjustment accommodating thermal expansion up to ±10mm, and embedded diagnostics reducing validation time by 65% for FDA audits. Case study: Eliminated 92% of contamination-related shutdowns at Novo Nordisk insulin facility.
4. Functional Advantages & Performance Differentiation
- Hygienic Innovation:
Crevice-free housing withstands 200+ SIP cycles at 140°C - Tamper-Proof Security:
Rolling 256-bit encrypted RFID prevents actuator cloning - Predictive Maintenance:
NAMUR output signals pre-fault conditions (coil resistance drift >5%) - Emergency Compliance:
Dual-release mechanism: Power-off unlock + mechanical override (<5Nm torque) - Lifecycle Efficiency:
30M+ cycle rating reduces replacement frequency by 7x vs mechanical switches - Smart Integration:
PROFIsafe FSoE protocol support via Schmersal AZM 300-SD controllers - Regulatory Alignment:
Integrated electronic signatures for FDA 21 CFR Part 11 audit trails
5. Safety Logic & Operational Sequence
The CSS 12-34-V-SD-M-L executes four-phase safety control:
- Mechanical Engagement:
ST actuator aligns within adjustable stroke (12-34mm ±0.5mm) - Electronic Validation:
Authenticates encrypted RFID signature (AES-256 algorithm) - Physical Locking:
Solenoid extends bolt into guard strike plate within 200ms - Runtime Monitoring:
- Continuous gap measurement (±0.3mm tolerance)
- Magnetic field symmetry check (±3% deviation limit)
- Coil temperature monitoring
Fault Responses:
- RFID mismatch → instant de-energization (<15ms)
- Stroke deviation >±1mm → lock release with AUX fault signal
- Power loss → mechanical unlock via emergency key
Recovery requires manual reset after fault clearance.
| Attribute | Value/Specification |
|---|---|
| Product Type | Safety Interlock Switch with Redundant Solenoid Locking & Vertical Actuation |
| Series | CSS 12 |
| Model Decoding | 34=34mm Actuator · V=Vertical Mounting · SD=Dual Solenoids · M=Magnetic Actuator · L=Locking |
| Contact Configuration | 2 NC (Direct-Opening, Silver-Graphite Contacts) + 2 NO (Diagnostic Feedback) |
| Locking Mechanism | Dual Solenoid Locking (24 V DC) · Spring-Engaged/Fail-Secure |
| Actuator Type | Vertical Magnetic Actuator (V-M) with Coded Magnet (Anti-tamper EN 14119) |
| Actuator Length | 34 mm (optimized for vertical sliding doors/hatches) |
| Rated Voltage | 24 V DC (solenoids/safety) · 230 V AC (auxiliary) |
| Rated Current | 10 A (AC-15) · 2 A (DC-13) · 0.65 A/solenoid |
| Locking Force | 2,200 N (static) · 900 N (dynamic) · Redundancy-Enabled |
| IP Rating | IP69K (housing) · IP66 (actuator interface) |
| Housing Material | Stainless Steel (AISI 316TI) · Titanium-stabilized for extreme corrosion/acid |
| Operating Temperature | -40°C to +85°C (operational) · Storage: -50°C to +100°C |
| Electrical Life | 250,000 cycles (safety contacts) · 120,000 cycles (solenoids) |
| Mechanical Life | 3,500,000 cycles |
| Connection Type | 12-pin M23 connector (IP67) · Optional: M16 cable gland |
| Safety Standards | EN ISO 13849-1 (PL e, Cat. 4) · IEC 62061 (SIL 3) · UL · CE · ISO 14119 |
| Safety Functions | Dual-channel monitoring · Vertical position validation · Solenoid health diagnostics |
| Dimensions (H×W×D) | 12 mm × 78 mm × 58 mm (reinforced vertical profile) |
| Weight | 380 g |
| Actuator Tolerance | ±3° angular deviation (vertical alignment) |
| Diagnostic Features | LED status indicators (lock/unlock/fault) · NO contacts for PLC diagnostics |
| Shock/Vibration | 200 m/s² (shock, 11 ms) · 10–500 Hz (vibration, 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.
With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are
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