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CSS 11-30S-D-M-ST - Mechanical Interlock Dual-Contact - 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 |
mechanical interlock safety switch
,dual-contact industrial safety switch
,SS IP67 safety switch
1. Product Overview & Safety Architecture
The Schmersal CSS 11-30S-D-M-ST is a magnetically coded safety interlock switch engineered for hygienic and corrosive industrial environments. Featuring an AISI 316L stainless steel housing (S suffix) with IP69K protection, this device combines non-contact magnetic sensing with solenoid locking for Category 4 safety compliance. The "D" designation indicates dual-channel OSSD outputs achieving PL e (ISO 13849-1) and SIL 3 (IEC 62061) integrity, while the "ST" actuator employs tamper-proof RFID coding. The integrated 24V DC solenoid lock ("M" suffix) delivers 15kN holding force to prevent unauthorized access during machine operation. Rated for -40°C to +85°C and resistant to high-pressure washdowns (100-bar steam jets), it meets EHEDG G8 standards for food/pharmaceutical applications. Force-guided contacts ensure failsafe operation even during contact welding scenarios.
2. Critical Technical Specifications
- Electrical Parameters:
- Operating Voltage: 24V DC ±10% (solenoid/electronics)
- Safety Outputs: 2 OSSD PNP (2A @ 30V DC)
- Lock Power Consumption: 8W (hold) / 20W (engage)
- Mechanical Properties:
- Switching Distance: 11mm nominal (ST actuator)
- Locking Force: 15,000N (EN ISO 14119 tested)
- Actuator Material: 316L stainless steel
- Environmental Resilience:
- Housing: AISI 316L (electropolished)
- Protection: IP69K (IEC 60529)
- Chemical Resistance: Resists CIP/SIP chemicals (pH 0-14)
- Certifications:
- ATEX/IECEx II 3G Ex tc IIIC T85°C Dc
- 3-A Sanitary Standard 18-03
- UL 1203 Class I Div 2
- Physical Dimensions:
- Mounting: 4x M5 bolts (316SS)
- Lock Bolt Stroke: 8mm (ISO 14119 Type 4)
3. Industrial Applications & Deployment Scenarios
The CSS 11-30S-D-M-ST excels in critical hygiene and hazardous environments:
- Pharmaceutical Isolators: Aseptic processing guarding in Grade A cleanrooms
- Dairy Processing: Pasteurizer access control with daily caustic washdowns
- Chemical Reactor Entry: Zone 1 hazardous area compliance for API synthesis
- Marine Galley Equipment: Salt-spray resistant safety interlocks
- Automotive Paint Booths: Solvent vapor-proof door monitoring
Key advantages include zero mechanical contact eliminating particulate generation (GMP compliance), electropolished surfaces (Ra ≤0.8μm) preventing bacterial adhesion, and DNV-GL marine certification for offshore deployments. Case study: Reduced cleaning time by 45% at Pfizer sterile filling line versus mechanical switches.
4. Functional Advantages & Performance Features
- Hygienic Design:
Crevice-free housing withstands 150°C SIP cycles without seal degradation - Tamper Resistance:
RFID-coded actuator prevents defeat attempts (ISO 14119 Type 4) - Diagnostic Intelligence:
Dual-color LEDs (green=locked, red=fault) + OSSD status pulsing - Emergency Escape:
Mechanical override with breakaway torque <5Nm (OSHA 1910.147 compliant) - Corrosion Defense:
1,000hr salt spray resistance (ISO 9227 DA Level) - Smart Integration:
PROFIsafe FSoE protocol support via Schmersal AZM 300 controllers - Maintenance Optimization:
Tool-free actuator replacement with alignment notches
| Attribute | Value/Specification |
|---|---|
| Product Type | Safety Interlock Switch with Solenoid Locking |
| Series | CSS 11 |
| Model Code Breakdown | CSS 11-30S-D-M-ST: 30S=Short Actuator (30mm), D=Locking, M=Magnetic Actuator, ST=Stainless Steel |
| Contact Configuration | 2 NC (Normally Closed, Direct-Opening Contacts) · No auxiliary NO contact |
| Locking Mechanism | Solenoid Locking (24 V DC) · Power-to-Lock (released when de-energized) |
| Actuator Type | Non-Contact Magnetic Actuator (M) with Coded Magnet (tamper-proof) |
| Actuator Length | 30 mm (short-stroke design for space-constrained installations) |
| Rated Voltage | 24 V DC (solenoid/safety contacts) |
| Rated Current | 4 A (AC-15) · 0.5 A (DC-13) · 0.4 A (solenoid, max) |
| Locking Force | 1,200 N (static) · 400 N (dynamic) |
| IP Rating | IP69K (housing) · Resists high-pressure/steam cleaning (food/pharma industries) |
| Housing Material | Stainless Steel (AISI 316L) · Extreme corrosion/chemical resistance |
| Operating Temperature | -25°C to +85°C (broader range vs. standard models) |
| Electrical Life | 200,000 cycles (safety contacts) · 100,000 cycles (solenoid) |
| Mechanical Life | 2,000,000 cycles |
| Connection Type | 5-pin M12 connector (IP67-rated) · Potted cable gland option |
| Safety Standards | EN ISO 13849-1 (PL e, Cat. 4) · IEC 60947-5-1 · UL · CE · SIL 3 |
| Safety Functions | Guard locking · Safe position monitoring · Manual emergency release (via tool) |
| Dimensions (H×W×D) | 11 mm × 54 mm × 38 mm (ultra-compact) |
| Weight | 180 g (stainless steel adds durability) |
| Shock/Vibration | 100 m/s² (shock) · 10–55 Hz (vibration) · MIL-STD-202 compliant |
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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