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The Zelio series is a comprehensive product line under 슈나이더 일렉트릭, focusing on the field of control and automation. It covers a full range of control components from basic interface relays to intelligent programmable logic modules. Renowned for its compact design, high reliability and ease of use, it is widely applied in industrial automation, building control, infrastructure and other fields.
- Core Product Classification of the Zelio Series
The Zelio series is mainly divided into five product lines to meet diverse needs ranging from simple switch control to complex logic operations:
| Product Line | Core Function | Representative Products | 응용 시나리오 |
| Zelio Relay (Interface and Control Relays) | Signal switching, amplification and isolation | RXM miniature relays, RXG interface relays, RSL slim relays, SSL solid-state relays | Signal conversion in control systems, PLC output amplification, load switching |
| Zelio Time (Timers) | Time-delay control, cycle control | RE22 modular timers, RE7 series multi-function timers | Automatic door control, lighting delay, motor star-delta starting |
| Zelio Control (Monitoring and Control Relays) | Electrical parameter monitoring and protection | RM22 voltage/current/phase monitoring relays, LT47 overload relays | Motor phase loss protection, voltage fluctuation monitoring, phase sequence protection |
| Zelio Count (Counters and Hour Meters) | Event counting, operating time recording | RE7 counters, RH counters, hour meters | Production piece counting, equipment maintenance cycle management |
| Zelio Logic (Intelligent Logic Modules/Programmable Relays) | Simple automation logic control | SR2 compact type, SR3 modular intelligent relays | Small machinery automation, HVAC control, building access control |
- Detailed Features and Representative Models of Each Product Line
- Zelio Relay (Interface and Control Relays)
Core Advantages: Compact size (as narrow as 6.2mm for some models), 쉬운 설치 (DIN rail/plug-in type), visual status indication (LED indicator), safe operation (lockable test button)
Representative Series:
RXM Miniature Relays: Current range of 3–30A, 1–4 sets of changeover contacts, suitable for harsh industrial environments, compatible with multiple coil voltages (AC/DC)
RXG Interface Relays: Two specifications of 5A/10A, standard width of 22.5mm, integrated test button and LED status indicator, ideal for PLC interface applications
SSL Solid-state Relays: Contactless switching, long service life, strong anti-interference capability, suitable for high-frequency switching scenarios
- Zelio Time (Timers)
Core Advantages: 모듈형 디자인 (22.5mm width), multi-function integration (single/dual function optional), wide voltage range (24–240V AC/DC), broad time-delay range (0.1s–300h)
Representative Products:
RE22 Series: One of the slimmest timers on the market, supporting 8 standard time-delay functions, sealed knob to prevent misoperation
RE7 Series: Multi-function time relays, supporting complex sequence control such as cycle, pulse, star-delta starting
- Zelio Control (Monitoring and Control Relays)
Core Advantages: Accurate monitoring of electrical parameters, fast fault response, integrated protection functions, DIN rail mounting
Representative Products:
RM22 Series: Voltage/current/phase/frequency monitoring, three-phase unbalance protection, suitable for motor control and power supply monitoring
LT47 Series: Electronic overload relays, setting current of 5–60A, providing motor overload protection
- Zelio Count (Counters and Hour Meters)
Core Advantages: High-precision counting, long-life design, multiple counting modes (preset/accumulative), visual display
Representative Products:
RH Series: Preset counters, triggering output when the set value is reached
Hour Meters: Recording equipment operating time for maintenance cycle reminders
- Zelio Logic (Intelligent Logic Modules/Programmable Relays)
Core Advantages: Replacing traditional hard-wired logic, simple programming (LADDER/FBD languages), compact size, support for expansion modules
Two Major Product Series:
SR2 Compact Type: Fixed I/O configuration (10/12/20 points), built-in display and operation buttons, suitable for small-scale applications
SR3 Modular Type: Expandable I/O (up to 40 points), support for communication modules (Modbus/Ethernet), suitable for complex control requirements
New Generation Zelio Logic 2: Added PID control function (suitable for HVAC), 2G/3G communication capability, programming software Zelio Soft 2 supports remote monitoring and diagnosis
III. Core Technical Advantages of the Zelio Series
- Full Series DIN Rail Compatibility: Unified installation standard, saving control cabinet space and simplifying wiring and maintenance
- Wide Voltage Adaptability: Most products support 24–240V AC/DC universal power supply, reducing inventory and selection complexity
- Safety Design: Integrated lockable test button, LED status indicator and sealed adjustment knob to prevent misoperation
- High Environmental Adaptability: Operating temperature range of -25°C to +70°C, vibration and electromagnetic interference resistance, suitable for harsh industrial environments
- 환경 보호: Compliant with RoHS standards, some products have obtained Green Premium certification, reducing environmental impact
- 일반적인 애플리케이션 시나리오
- Industrial Automation: PLC signal amplification, motor start-stop control, production line sequence control, equipment safety interlock
- 빌딩 자동화: Lighting delay control, HVAC system PID regulation, elevator door control, fire linkage
- Infrastructure: Automatic control of water pumps/fans, substation voltage monitoring, traffic light sequence control
- Commercial Facilities: Automatic doors, parking lot barriers, supermarket refrigeration systems, security alarm systems
With its comprehensive product line, excellent performance and high cost-effectiveness, the Zelio series has become one of the preferred brands for control system designers worldwide. Whether for simple signal switching or complex sequence control, the Zelio series can provide reliable solutions.
