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Safety Relay SIL3 MOC3ZA-KAZ34A3 Adjustable Voltage & Standstill Time DIN Rail Mount SICK

BRAND: SICK
SKU: 6047865
$1,835.70 List price: $2,307.30
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The Safety Relay SIL3 MOC3ZA-KAZ34A3 is designed for high integrity monitoring in industrial safety systems.
Technical Specifications
  • Supply voltage: 230 V AC (184 V ... 253 V), 24 V DC for diagnostic outputs
  • Residual ripple: 10%
  • Maximum power consumption: ≤ 6 VA
  • Measured motor voltage: ≤ 690 V AC
  • Voltage threshold adjustable from 20 mV to 400 mV
  • Standstill time adjustable from 0.2 s to 6 s
  • Response time ≤ 100 ms
  • Safety outputs: 3 normally open and 1 normally closed relay contacts
  • Nominal switching voltage: 250 V AC
  • Switching capacity: 3 A/230 V AC (NO), 1 A/230 V AC (NC)
  • Maximum switching frequency: ≤ 1200 operations/hour
  • Mechanical life: ≥ 50 million switching operations
  • Enclosure rating: Terminals IP20, Housing IP40
  • Mounting: 35 mm DIN rail according to EN 60715
  • Dimensions (H x L x W): 112mm x 121mm x 45mm
  • Weight: 0.4 kg
Key Features
  • Safety integrity level SIL 3 (IEC 61508)
  • Category 4 (EN ISO 13849) and Performance level PL e
  • Mean probability of dangerous failure per hour (PFHD): 41 x 10^-9
  • Mission time of 20 years
  • Stop category 1 (EN 60204-1)
  • Spring terminals for easy wiring
  • Motor voltage measuring encoder interface
  • Relay outputs with positively guided contacts
  • Adjustable voltage threshold and standstill time
  • High mechanical and electrical switching life
  • Compact dimensions with 35 mm DIN rail mounting
Professional Installation Requirements
  • Installation must be performed by a qualified electrician or technician familiar with safety relay systems and relevant safety standards.
Applications
  • Industrial safety systems requiring high integrity level monitoring
  • Machine safety for standstill detection
  • Automation systems with safety-related control functions
Standards & Compliance
  • AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Long mission time reduces replacement frequency and waste
  • Low power consumption (≤ 6 VA) minimizes energy use
  • Durable design extends product lifecycle
Warranty Information

Standard manufacturer warranty applies; please refer to SICK's official warranty policy.

Available Now

The SICK MOC3ZA-KAZ34A3 safety relay is available for immediate purchase, ideal for industrial safety and automation applications requiring high safety integrity.

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