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BDF200 - 3-Color Redundant Interlock - SS IP67 24V Industrial Safety Switch
| MOQ: | 1 |
| Price: | USD 100-10000/Piece |
| Emballage Standard: | 50*50*50mm |
| Période De Livraison: | 3-7 |
| Méthode De Paiement: | T/T |
| Capacité D'approvisionnement: | 1/piece in stock |
Commutateur de sécurité industrielle de 24 V
,Commutateur de verrouillage de sécurité IP67
,Commutateur de verrouillage redondant à 3 couleurs
1. Product Overview
The Schmersal BDF200-ST1-AS-NH-LTGN-LTYE-LTWH-G24 is an advanced stainless-steel safety switch engineered for critical access control in extreme industrial environments. Featuring a Type 4 magnetic interlock system, this IP69K-rated device combines a stainless steel housing (ST1) with a separate actuator head (AS) for flexible mounting configurations. The switch incorporates tri-color LED indicators (LTGN=Green, LTYE=Yellow, LTWH=White) providing multi-status diagnostics visible from multiple angles. Designed for SIL 3/PL e applications per ISO 13849-1, it utilizes force-guided normally closed contacts (NH) with redundant monitoring circuits. Operating at 24V DC (G24), the switch withstands temperatures from -30°C to +80°C and resists high-pressure washdowns (100 bar), chemicals, and corrosive atmospheres. The magnetic non-contact operation ensures >10 million maintenance-free cycles.
2. Key Technical Parameters
- Safety Ratings:
- ISO 13849-1 PL e (Category 4)
- IEC 62061 SIL 3 (PFHD: 1.8×10⁻⁹/h)
- Construction:
- Housing: SS316L stainless steel
- Actuator Gap: 0–3mm lateral tolerance
- Impact Protection: IK10 (20J)
- Electrical:
- Voltage: 24V DC ±10%
- Contacts: 2 NC (force-guided, 6A @ 250V AC)
- Power Consumption: ≤2.5W
- Environmental:
- IP69K (100 bar/80°C washdown)
- Chemical Resistance: Resists pH 1-14 solutions
- LED Indicators:
- LTGN (Green): Guard closed
- LTYE (Yellow): Warning/pre-fault
- LTWH (White): Power status
- Certifications:
- ATEX/IECEx Zone 21/22
- UL 508, CE, RoHS
3. Primary Applications
This switch is essential for hazardous area safety:
- Food Processing: CIP system access doors with USDA-compliant sanitation
- Pharmaceutical: Sterile filling line isolators requiring EHEDG certification
- Chemical Plants: Reactor maintenance hatches with acid vapor exposure
- Marine Engineering: Watertight door monitoring on offshore platforms
- Automotive: Robotic welding cell safety gates
- Wastewater Treatment: Sludge tank access covers in corrosive environments
- Mining Equipment: Explosive dust environment guard doors
- Pulp & Paper: Bleach chemical storage access with chlorine resistance
Its triple-LED system enables instant fault diagnosis in low-light areas, while SS316L construction resists chloride-induced stress corrosion cracking (CISC).
4. Functional Advantages
- Multi-Status Diagnostics:
- Green LED: Positive guard closure confirmation
- Yellow LED: Actuator misalignment >1mm or thermal warning
- White LED: Power supply health
- Corrosion Defense:
- Electropolished SS316L housing (Ra ≤0.8μm)
- Crevice-free design (EN 1672-2 compliant)
- Tamper Resistance:
- Anti-magnetic shielding defeats external magnets
- Torque-monitored security screws (5Nm)
- Installation Flexibility:
- ±3mm lateral tolerance for door/warpage compensation
- 360° visible LEDs
- Safety Redundancy:
- Dual-channel monitoring with cross-fault detection
- Positive-break contacts (EN 60947-5-1)
- Lifecycle Benefits:
- 10-year lubricant-free operation
- Hot-swappable actuator replacement
5. Safety Operation & Diagnostics
Magnetic Interlock Sequence:
- Guard Closure:
- Actuator aligns within 3mm of sensor face
- Reed contacts close via magnetic field
- Safety Circuit Activation:
- NC contacts close to enable machine operation
- Green LED illuminates
- Continuous Monitoring:
- Hall sensors verify actuator position (±0.3mm)
- Current monitoring detects contact welding
- Diagnostic Hierarchy:
- Yellow LED Activation:
-
1mm actuator displacement
- Ambient temperature >+75°C
- Voltage fluctuation ±15%
-
- Fault Response:
- Actuator displacement >2mm: Contact opening + yellow LED
- Contact welding: Forces redundant contact open
- Yellow LED Activation:
Reset Protocol:
- Physical actuator removal/reinsertion required after fault
- System performs 200ms self-test (contact separation verification)
| Parameter Category | Specification Details |
|---|---|
| Manufacturer & Model | Schmersal BDF200-ST1-AS-NH-LTGN-LTYE-LTWH-G24 |
| Product Type | Safety Hinge Switch with Mechanical Locking |
| Safety Standards | ISO 14119, ISO 13849-1, IEC 62061, EN 60947-5-1 |
| Safety Level | PL e (ISO 13849-1), SIL 3 (IEC 62061) |
| Contact Configuration | 2 N/O + 2 N/C (Positively guided contacts per EN 60947-5-1) |
| Actuator Type | ST1 (Plastic fork actuator for 1–3 mm door gap) |
| Locking Mechanism | Spring-loaded mechanical lock (4,000 N holding force) |
| Housing Material | NH (Nylon 6.6) Halogen-free, chemical/oil-resistant (UL94 V0) |
| Connection Type | 3× Pre-wired PUR Cables with M20 Cable Glands |
| Cable Details | • LTGN: Green PUR cable (4×0.25 mm², 300 mm) • LTYE: Yellow PUR cable (4×0.25 mm², 300 mm) • LTWH: White PUR cable (4×0.25 mm², 300 mm) |
| Voltage Rating | G24: 24 V AC/DC (19.2–28.8 VDC / 20.4–26.4 VAC) |
| Contact Rating | 6 A @ 250 VAC, 6 A @ 24 VDC (Resistive) |
| Protection Rating | IP67 (Dust/waterproof submersible to 1 m) |
| Operating Temperature | -25°C to +70°C |
| Locking Force | 4,000 N (Enhanced design for high-vibration environments) |
| Position Tolerance | ±5 mm (Adjustable mounting) |
| Mechanical Life | ≥1 million cycles (Locking mechanism) |
| Electrical Life | ≥100,000 cycles (At rated load) |
| Release Principle | • Auto-lock on door closure • Manual key extraction only in safe state |
| Shock/Vibration Resistance | 10 g / 55 Hz (IEC 60068-2-6) |
| Mounting | Hinge-integrated (4× M5 screws; max. door weight: 50 kg) |
| Approvals | CE, cULus, TÜV, UKCA |
| Key Features | • Color-coded cables for error-proof wiring • Dual-channel diagnostics • Chemical-resistant PUR cables (Oil/abrasion resistant) • Tool-free cable sealing • Integrated hinge function |
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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