접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지
Finder 7S.14.9.024.0220 강제 유도 접촉 안전 릴레이 모듈
- 모델 코드 해석
| 분절 | 암호 | 의미 |
| 시리즈 코드 | 7에스 | Finder 7S series forced guided contact safety relay module, EN 준수 50205:2002 A형 |
| 연락처 구성 | 14 | 4-폴, 2 평상시 열림 + 2 Normally Closed contacts |
| 설치 & 단말기 | 9 | DIN 레일 장착, cage-clamp terminal, 22.5mm 폭 |
| 코일 전압 | 24 | 24V DC control coil |
| 버전 & 특징 | 220 | Standard version without extra functions |
- 핵심 사양표
| 범주 | 매개변수 | 비고 |
| 기본 정보 | ||
| 제조업체 | Finder | Famous Italian relay brand |
| 제품 유형 | Forced guided contact safety relay module | Non-latching type |
| 주문 번호 | 7S.14.9.024.0220 / 7S1490240220 | Two formats are both applicable |
| 전기적 매개변수 | ||
| 코일 전압 | 24DC에서 | Standard industrial control voltage |
| 코일 전력 소비 | 1.2여 | 일반적인 값 |
| Contact Arrangement | 2아니요+2NC (4피) | Forced guided design for synchronous contact operation |
| 정격전류 | 6A @ 250V AC (AC-1) | Rated value for different load types |
| 6A @ 30V DC (DC-1) | ||
| 3A @ 230V AC (AC-15) | ||
| 접촉 재료 | AgNi Silver Nickel Alloy | High conductivity and wear resistance |
| 기계 & 환경 매개변수 | ||
| 설치 유형 | DIN 레일 (안에 60715) | 22.5mm compact width |
| 터미널 유형 | Cage-clamp | Screwless wiring, 쉬운 설치 |
| 보호 등급 | IP20 | 손가락 방지, suitable for cabinet interior |
| 작동 온도 | -40°C ~ +70°C | Wide temperature range for industrial use |
| 보관 온도 | -40°C ~ +85°C | |
| 인증 | 안에 50205:2002 A형, 안에 13849-1 | International safety relay standards |
| 서비스 수명 | 기계: 10⁷ operations | |
| 전기 같은: 10⁵ operations at rated load |
- 브랜드 간 교체 참조
| 상표 | 모델 | 유사점 | 차이점 |
| 버섯 | PNOZ X2.8P 24VDC | 2아니요+2NC, 24VDC, forced guided contact | Professional safety relay, higher price and richer functions |
| 지멘스 | 3TK2825-1BB40 | 2아니요+2NC, 24VDC, DIN 레일 마운트 | Better compatibility in industrial automation |
| 슈나이더 | Zelio SR2B121BD | 2아니요+2NC, 24VDC, forced guided contact | Different terminal design, 비용 효율적 |
| 옴론 | G9SA-321-T075 | 2아니요+2NC, 24VDC, safety certified | 컴팩트한 사이즈, ideal for limited space |
- 7S Series Main Model List
| 모델 | Contact Layout | 코일 전압 | 터미널 유형 | 특징 |
| 7S.12.9.024.0220 | 2피 (1아니요+1NC) | 24DC에서 | Cage-clamp | 기준 |
| 7S.14.9.024.0220 | 4피 (2아니요+2NC) | 24DC에서 | Cage-clamp | 기준 (this product) |
| 7S.16.9.024.0220 | 6피 (3아니요+3NC) | 24DC에서 | Cage-clamp | 기준 |
| 7S.14.9.230.0220 | 4피 (2아니요+2NC) | 230뷔와 | Cage-clamp | 기준 |
| 7S.14.9.024.4220 | 4피 (2아니요+2NC) | 24DC에서 | Cage-clamp | LED status indicator |
| 7S.14.9.024.5220 | 4피 (2아니요+2NC) | 24DC에서 | 나사식 터미널 | 기준 |
| 7S.34.9.024.0220 | 4피 (2아니요+2NC) | 24DC에서 | Cage-clamp | 10정격 전류 |
- 문제 해결 & 유지보수 가이드
5.1 Common Fault Analysis
| 결함 현상 | 가능한 원인 | Inspection Steps |
| Coil fails to pull in | 1. Insufficient or reversed coil voltage | 1. Measure coil voltage to confirm 24V DC |
| 2. 탄 코일 | 2. Test coil resistance (정상: approx 480Ω) | |
| 3. 느슨한 배선 | 3. Check terminal tightness | |
| No contact movement | 1. Jammed forced guided mechanism | 1. Check mechanical flexibility after power off |
| 2. Oxidized or burnt contacts | 2. Inspect contact surface damage | |
| 3. Mechanical wear | 3. Verify contact travel distance | |
| 접촉 고착 | 1. Arc burn caused by overload or short circuit | 1. Check actual load exceeding rating |
| 2. Contact material fatigue | 2. Replace relay module | |
| LED indicator off | 1. 손상된 LED | 1. Check power supply connection |
| 2. Power disconnection | 2. Replace with identical module for test | |
| 3. Internal circuit failure |
5.2 유지 & 교체 제안
- Safety Priority: Cut off power and wait at least 5 minutes for capacitor discharge before maintenance.
- 모듈형 구조: On-site repair is not recommended; integral replacement is preferred.
- Replacement Procedure
Record wiring positions by photos or sketches
Remove old module from DIN rail
Install new module and reconnect wires accordingly
Power on and verify normal operation
- 예방적 유지보수
Inspect terminal connection every 6 개월
Avoid overload, reserve 30% current margin
Shorten replacement cycle to 2-3 years under harsh conditions
- 응용 시나리오 & 산업 사례
6.1 적용분야
| 산업 | 일반적인 응용 | 안전 기능 |
| Machinery Manufacturing | Emergency stop circuit, 안전 도어 모니터링 | Prevent accidental startup, protect operators |
| Automatic Production Line | 안전 라이트 커튼, two-hand control circuit | Secure operating area safety |
| Elevator & Escalator | Door lock monitoring, safety loop | Avoid unexpected elevator movement |
| 철도 운송 | Door control, braking system | Comply with railway safety standards |
| 포장기계 | Guardrail monitoring, 비상 정지 | Personnel injury prevention |
6.2 Inadmissible Working Conditions
High vibration environment such as stamping machines, shockproof bracket required
Humid and dusty environment, IP54+ sealed enclosure needed
Ultra-high frequent switching over 10 cycles per minute, solid state relay recommended
High current load over 6A / 250뷔와, contactor required for capacity expansion
6.3 선택 팁 & Avoidance Notes
- Distinguish forced guided contact from ordinary relay; 안에 50205 compliant type mandatory for safety application
- 코일 전압 확인, avoid AC and DC confusion; this model is 24V DC
- Match load type with corresponding rated current (AC-1/AC-15/DC-1)
- Reserve enough installation space for 22.5mm width module
- Ensure compliance with EN 13849-1 for industrial safety usage
Application Scenarios of Finder 7S.14.9.024.0220
Equipped with forced guided safety contacts, conforming to EN13849 and EN50205 safety standards, applied for equipment safety loop control.
- General Industrial Machinery
- 공작기계: Emergency stop circuit, 안전 도어 인터록, tool magazine safety lock
- Stamping & forging machines: Guard fence detection, slide safety limit
- 사출 성형기: Mold safety door, manipulator area protection interlock
- Automatic Production Line
- Conveyor line: Light curtain safety protection, station access judgment
- Assembly equipment: Two-hand startup circuit, robot fence access control
- 정렬 & 포장 기계: Flip cover protection, fault emergency stop interlock
- 리프팅 & Hoisting Equipment
- Small lift, cargo elevator door control safety circuit
- Crane lifting tool limit protection, power-off safety lock
- 경공업 & Special Machinery
- Safety stop interlock for printing and textile machinery
- Safety door monitoring for wood cutting equipment
- Fault power-off protection for fans and water pumps
- 운송 & Building Auxiliary
- Automatic door and escalator safety detection circuit
- Vehicle industrial control, miniature railway equipment safety protection
- Control Cabinet Internal Control
- System emergency power-off safety loop
- High voltage cabinet access control and leakage safety interlock
Unsuitable Environments
Non-sealed cabinet with strong corrosion and heavy dust
Ultra-high frequency switching working condition
Working current exceeding 6A rated load
