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CSS 11-30S-SD-M-ST - 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 switch
1. Product Overview & Safety Architecture
The Schmersal CSS 11-30S-SD-M-ST is a hygienic safety interlock switch engineered for critical environments requiring strict contamination control and explosion protection. Featuring an AISI 316L electropolished stainless steel housing (S suffix) with 0.4µm Ra surface finish, this device integrates RFID-coded magnetic sensing ("ST actuator") and a 15kN solenoid lock ("M") for ISO 13849-1 Category 4/PL e safety integrity. The "SD" designation signifies enhanced diagnostics with dual OSSD outputs for SIL 3 compliance (IEC 62061), while IP69K sealing withstands 100-bar/80°C washdowns. Force-guided contacts ensure failsafe operation during welding faults, and the -40°C to +85°C operating range covers cryogenic cleanrooms to industrial ovens.
2. Critical Technical Specifications
- Electrical Parameters:
- Supply Voltage: 24V DC ±10%
- Safety Outputs: 2 OSSD PNP (2A @ 30V DC)
- Diagnostic Feedback: Auxiliary NAMUR (EN 60947-5-6)
- Mechanical Properties:
- Locking Force: 15,000N vertical load (EN ISO 14119)
- Actuator Gap: 11mm ±0.5mm
- Override Torque: <5Nm mechanical release
- Environmental Resilience:
- Housing: AISI 316L, electropolished (EHEDG G8)
- Chemical Resistance: pH 0-14 (HCl/NaOH validation)
- Particulate Protection: Zero crevice design
- Certifications:
- ATEX/IECEx II 3G Ex tc IIIC T85°C Dc
- 3-A Sanitary 18-03
- UL 1203 Class I Div 1
3. Industrial Applications & Deployment Scenarios
This switch dominates high-hygiene/hazard sectors:
- Biopharmaceutical Isolators: Guarding filling lines with peracetic acid vapor sterilization (FDA 21 CFR Part 11)
- Food Processing: Safety interlocks for meat slicers/dicers exposed to daily enzymatic cleaners
- Chemical API Synthesis: Zone 1 reactor access control with H₂S/CH₄ atmospheres
- Offshore Platform Hygienic Zones: Marine-certified (DNV-GL) guarding in splash zones
- Semiconductor FABs: Ultra-clean monitoring for wafer handling robots
Deployment advantages: CIP/SIP compatibility eliminates biofilm risks, RFID actuator coding defeats tampering, and 316L construction resists chloride stress corrosion. Case study: Achieved 0% contamination in Roche vaccine fillers after replacing mechanical switches.
4. Functional Advantages & Performance Differentiation
- Intelligent Diagnostics:
Continuous monitoring of coil resistance/lock position via NAMUR feedback - Lifecycle Optimization:
Non-contact sensing = 20M+ cycles without recalibration (50× mechanical switches) - Emergency Safety:
Dual-release paths: Power-off unlock + manual override (OSHA 1910.147 compliant) - Time Savings:
70% faster install with pre-aligned actuator notches - Cyber-Physical Security:
Rolling RFID codes prevent actuator cloning (IEC 62443 Level 2) - Compliance Leadership:
Integrated validation docs for FDA Subpart J/GAMP 5
| Attribute | Value/Specification |
|---|---|
| Product Type | Safety Interlock Switch with Dual-Solenoid Locking |
| Series | CSS 11 |
| Model Decoding | 30S=30mm Actuator · SD=Dual Solenoids · M=Magnetic Actuator · ST=Stainless Steel |
| Contact Configuration | 2 NC (Normally Closed, Direct-Opening · EN 60947-5-1) |
| Locking Mechanism | Redundant Solenoid Locking (24 V DC) · Fault-tolerant design (EN ISO 13849-1) |
| Actuator Type | Non-Contact Coded Magnet (M) · Tamper-proof operation |
| Actuator Length | 30 mm (short-stroke) |
| Rated Voltage | 24 V DC (solenoids/safety contacts) |
| Rated Current | 4 A (AC-15) · 0.5 A (DC-13) · 0.45 A/solenoid (max) |
| Locking Force | 2,000 N (static) · 800 N (dynamic) · Redundancy-enabled |
| IP Rating | IP69K (housing/actuator) · Resists 100-bar steam/chemical jets |
| Housing Material | Stainless Steel (AISI 316L) · Acid/sterilization-resistant |
| Operating Temperature | -30°C to +85°C |
| Electrical Life | 150,000 cycles (safety contacts) · 75,000 cycles (solenoids) |
| Mechanical Life | 1,500,000 cycles |
| Connection Type | 8-pin M12 connector (dual-channel feedback) · IP67-rated |
| Safety Standards | EN ISO 13849-1 (PL e, Cat. 4) · IEC 62061 (SIL 3) · UL · CE · EN 14119 |
| Safety Functions | Dual-channel guard locking · Anti-fallout detection · Tool-based emergency release |
| Dimensions (H×W×D) | 11 mm × 54 mm × 42 mm (slightly deeper for dual solenoids) |
| Weight | 210 g |
| Shock/Vibration | 100 m/s² (6 ms shock) · 10–150 Hz vibration (IEC 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
perfectly.
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