Genuine SCHMERSAL SRB402EM Safety Relay | SRB Series – Verified Source
Konmask.com supplies authentic SCHMERSAL SRB402EM Safety Relays sourced directly through verified distribution channels. Every unit undergoes our rigorous 4-step quality verification before dispatch. Trusted by industrial engineers and procurement teams worldwide for mission-critical safety applications.
Technical Specifications
- Manufacturer: SCHMERSAL
- Part Number / SKU: SRB402EM
- Series: SRB (Safety Relay Module Series)
- Function: Safety Relay — Emergency Stop / Safety Gate Monitoring
- Supply Voltage: 24 V DC / 24–240 V AC (model-dependent)
- Safety Category: Up to Category 4 / PLe (EN ISO 13849-1)
- SIL Rating: SIL 3 (IEC 62061)
- Output Contacts: 4 N/O safety outputs + 1 N/C auxiliary
- Response Time: ≤ 20 ms
- Operating Temperature: -25°C to +55°C
- Protection Class: IP40 (housing)
- Mounting: DIN rail (35 mm)
- Weight: 300 g (approx.)
- Certifications: CE, UL, cUL, TÜV
Note: Full datasheet available upon request. Specifications subject to manufacturer revision — confirm with official SCHMERSAL documentation for safety-critical designs.
Our 4-Step Quality Verification Process
Every SCHMERSAL SRB402EM unit shipped from Konmask.com passes through the following verification protocol:
- Step 1 — Source Authentication: Units are procured exclusively from authorized distributors or verified surplus channels with traceable documentation.
- Step 2 — Physical Inspection: Housing integrity, label accuracy (part number, date code, country of origin), and connector condition are checked against OEM standards.
- Step 3 — Functional Bench Test: Where applicable, relay coil continuity, contact resistance, and response timing are verified using calibrated test equipment.
- Step 4 — Packaging & Documentation Review: Original packaging, serial numbers, and any included documentation are verified and preserved before dispatch.
Key Features & Benefits
- ✅ Genuine OEM Part — not a clone or substitute; full SCHMERSAL provenance
- ✅ High Safety Integrity — rated to PLe / Cat. 4 for the most demanding safety circuits
- ✅ Dual-Channel Monitoring — detects single-fault conditions for E-stop and safety gate loops
- ✅ Manual & Automatic Reset Modes — configurable for your safety architecture
- ✅ Compact DIN-Rail Design — easy integration into existing control panels
- ✅ Wide Voltage Compatibility — suitable for diverse global plant environments
- ✅ Fast Response Time — ≤ 20 ms for rapid machine shutdown
- ✅ Globally Certified — CE, UL, cUL, TÜV recognized
Typical Applications
- Emergency stop (E-stop) circuit monitoring on industrial machinery
- Safety gate / interlocked guard door monitoring
- Light curtain and two-hand control safety loops
- Robotic cell perimeter safety systems
- Conveyor and press machine safety circuits
- Packaging, automotive, and food & beverage production lines
- Any application requiring IEC 62061 SIL 3 or ISO 13849-1 PLe compliance
Compatible System Components
- Safety Sensors: SCHMERSAL AZ 16 series, BNS 33 series magnetic safety switches
- Safety PLCs: Siemens SIMATIC S7-300/400/1200/1500 F-series, Allen-Bradley GuardLogix
- Safety Light Curtains: SICK deTec4, Keyence SL-V series
- Contactors: Siemens 3RT, Schneider TeSys D series (for downstream load switching)
- DIN Rail Accessories: Standard 35 mm DIN rail, end brackets, terminal blocks
Compatibility references are provided for guidance only. Always verify with your system integrator or OEM documentation.
Global Sourcing & Shipping Capabilities
- Stock Location: China (Mainland) — with access to global surplus and authorized distributor networks
- Lead Time: In-stock units typically ship within 1–3 business days; sourced units 5–15 business days
- Shipping Methods: DHL Express, FedEx International Priority, UPS Worldwide, sea freight for bulk orders
- Export Compliance: All shipments comply with applicable export control regulations (ECCN, HS code classification available)
- Customs Documentation: Commercial invoice, packing list, certificate of origin provided as standard
- Bulk / OEM Orders: Volume pricing and dedicated account management available — contact us for a quote
Certifications & Compliance Statement
The SCHMERSAL SRB402EM carries the following certifications as issued by the original manufacturer:
- CE Marking — Machinery Directive 2006/42/EC, Low Voltage Directive 2014/35/EU
- UL / cUL Listed — UL 508 (Industrial Control Equipment)
- TÜV Certified — Functional safety assessment per EN ISO 13849-1 and IEC 62061
- RoHS Compliant — Directive 2011/65/EU
Konmask.com Compliance Statement: We are an independent distributor. Certification documents are those of the original manufacturer SCHMERSAL. We do not modify, repair, or remanufacture any components. Authenticity certificates and test reports available upon request for qualified buyers.
How to Order
- Step 1: Confirm part number SRB402EM matches your BOM or replacement requirement
- Step 2: Select quantity and add to cart, or contact us for bulk pricing
- Step 3: Provide your shipping address and preferred freight method at checkout
- Step 4: Receive order confirmation with estimated dispatch date within 24 hours
📧 For B2B inquiries, RFQs, or technical questions:
Email: support@konmask.com
Phone / WhatsApp: +0086 19859288691
Website: https://konmask.com
Authenticity & Trust FAQ
Q: Is this a genuine SCHMERSAL product or a counterfeit?
A: All units are genuine OEM parts. We source exclusively from authorized distributors and verified surplus channels. Counterfeit or substitute parts are never knowingly stocked or sold.
Q: Can you provide a certificate of authenticity?
A: Yes. Authenticity documentation, including distributor invoices and test reports, is available upon request for qualified B2B buyers.
Q: What is your return policy if the part is defective?
A: We offer a 30-day return window for defective or incorrectly shipped items. Contact support@konmask.com with your order number and fault description.
Q: Do you offer warranty?
A: Yes — 90-day functional warranty on all units. Extended warranty terms available for volume orders.
Q: Can I request a datasheet or wiring diagram?
A: Yes. Contact us with your part number and application details and we will provide the official SCHMERSAL documentation.
Q: Are you an authorized SCHMERSAL distributor?
A: Konmask.com operates as an independent distributor. We are not an official SCHMERSAL authorized dealer but source through verified channels. For OEM warranty support, please contact SCHMERSAL directly.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691






