Xiamen ZhiCheng Automation Technology Co., Ltd
"Precision Engineered, Globally Trusted – Innovating Automation Control & Modular Excellence."
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The Euchner SGA2A-2121ASR11 is an advanced RFID-coded safety gate switch designed to safeguard access points in automated machinery. Featuring a non-contact actuator system with tamper-proof encoding, it delivers SIL 3/PLe safety integrity per ISO 13849-1. The compact stainless-steel housing (IP67/IP69K rated) withstands intense washdowns, oils, and vibrations in harsh environments like automotive plants or food processing lines. Its dual-channel RFID technology detects gate positions within ±1 mm accuracy, while the integrated ASR-11 dynamic code system prevents manipulation. The switch monitors gate closure status via two independently evaluated OSSD outputs, enabling immediate machine halt upon unauthorized access. With tool-free mounting and M12 connectors, it simplifies retrofitting into existing safety circuits.
Precision specifications ensure failsafe operation:
Deployed for access control in high-risk zones:
Superior to mechanical switches through:
Advanced safety integration includes:
| Property | Value |
|---|---|
| Product Type | Safety Gate Actuator with Locking & Position Feedback |
| Model Code | SGA2A-2121ASR11 |
| Series | SGA (Safety Gate Actuator System) |
| Core Functions | Access control, position retention, safety interlocking |
| Safety Standards | ISO 13849-1, ISO 14119, IEC 62061, IEC 60947-5-1 |
| Safety Level | PL e (ISO 13849-1), SIL 3 (IEC 61508) |
| Locking Mechanism | Spring-assisted electromechanical bolt (fail-secure) |
| Position Detection | Dual-channel RFID sensing (ASR designation) |
| Voltage Rating | 24 V DC (±10%) |
| Power Consumption | 2.5 W (standby), 25 W (actuation) |
| Locking Force | 1,500 N (adjustable) |
| Release Time | ≤ 150 ms (de-energize to unlock) |
| Protection Rating | IP67 (actuator), IP69K (sensor head) |
| Housing Material | Anodized aluminum (body), stainless steel (bolt) |
| Operating Temperature | -25°C to +85°C |
| Connection Interface | M12 × 1, 8-pin connector (A-coded) |
| Feedback Signals | 2 PNP/NPN configurable outputs (position + lock status) |
| Electrical Life | 500,000 cycles (at rated load) |
| Mechanical Life | 1,000,000 cycles |
| Bolt Stroke | 21 mm (2121 in model code) |
| Dimensions (W×H×D) | 120 × 85 × 45 mm |
| Weight | 1.2 kg |
| Mounting | Front-flush (M8 fasteners), vertical/horizontal orientation |
| Diagnostics | Multi-color LED (lock state, position error, tamper alert) |
| Release Conditions | Configurable: machine standstill verification, time delay (0-30 s) |
| Coding Security | RFID encryption (128-bit) with >10<sup>12</sup> unique codes |
| Certifications | CE, UL, TÜV SÜD, cULus, RoHS, IECEx |
| Compatibility | Euchner MGB gate boxes, CES-AP controllers |
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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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