Contattore,interruttore automatico,inverter solare,contatore elettrico,batterie solari
Finder 7S.14.9.024.0220 Forced Guided Contact Safety Relay Module
- Interpretazione del codice modello
| Segmento | Codice | Senso |
| Codice serie | 7S | Finder 7S series forced guided contact safety relay module, conforme alla norma EN 50205:2002 Tipo A |
| Configurazione dei contatti | 14 | 4-palo, 2 Normalmente aperto + 2 Contatti normalmente chiusi |
| Montaggio & terminale | 9 | Montaggio su guida DIN, cage-clamp terminal, 22.5larghezza mm |
| Tensione della bobina | 24 | 24V DC control coil |
| Versione & Caratteristica | 220 | Standard version without extra functions |
- Tabella delle specifiche principali
| Categoria | Parametro | Osservazioni |
| Informazioni di base | ||
| Produttore | Finder | Famous Italian relay brand |
| Tipo di prodotto | Forced guided contact safety relay module | Non-latching type |
| Numero d'ordine | 7S.14.9.024.0220 / 7S1490240220 | Two formats are both applicable |
| Parametri Elettrici | ||
| Tensione della bobina | 24A DC | Standard industrial control voltage |
| Consumo energetico della bobina | 1.2W | Valore tipico |
| Contact Arrangement | 2NO+2NC (4P) | Forced guided design for synchronous contact operation |
| Corrente nominale | 6A @ 250V AC (AC-1) | Rated value for different load types |
| 6A @ 30V DC (DC-1) | ||
| 3A @ 230V AC (AC-15) | ||
| Materiale di contatto | AgNi Silver Nickel Alloy | High conductivity and wear resistance |
| Meccanico & Parametri Ambientali | ||
| Installation Type | Guida DIN (IN 60715) | 22.5mm compact width |
| Tipo di terminale | Cage-clamp | Screwless wiring, facile installazione |
| Grado di protezione | IP20 | A prova di dita, suitable for cabinet interior |
| Temperatura operativa | -40°C~+70°C | Wide temperature range for industrial use |
| Temperatura di conservazione | -40°C~+85°C | |
| Certificazione | IN 50205:2002 Tipo A, IN 13849-1 | International safety relay standards |
| Durata di servizio | Meccanico: 10⁷ operations | |
| Elettrico: 10⁵ operations at rated load |
- Riferimento di sostituzione multimarca
| Marca | Modello | Somiglianze | Differenze |
| Fungo | PNOZ X2.8P 24VDC | 2NO+2NC, 24VCC, forced guided contact | Professional safety relay, higher price and richer functions |
| Siemens | 3TK2825-1BB40 | 2NO+2NC, 24VCC, Montaggio su guida DIN | Better compatibility in industrial automation |
| Schneider | Zelio SR2B121BD | 2NO+2NC, 24VCC, forced guided contact | Different terminal design, conveniente |
| Omron | G9SA-321-T075 | 2NO+2NC, 24VCC, safety certified | Dimensioni compatte, ideal for limited space |
- 7S Series Main Model List
| Modello | Contact Layout | Tensione della bobina | Tipo di terminale | Special Feature |
| 7S.12.9.024.0220 | 2P (1NA+1NC) | 24A DC | Cage-clamp | Standard |
| 7S.14.9.024.0220 | 4P (2NO+2NC) | 24A DC | Cage-clamp | Standard (this product) |
| 7S.16.9.024.0220 | 6P (3NO+3NC) | 24A DC | Cage-clamp | Standard |
| 7S.14.9.230.0220 | 4P (2NO+2NC) | 230V e | Cage-clamp | Standard |
| 7S.14.9.024.4220 | 4P (2NO+2NC) | 24A DC | Cage-clamp | LED status indicator |
| 7S.14.9.024.5220 | 4P (2NO+2NC) | 24A DC | Terminale a vite | Standard |
| 7S.34.9.024.0220 | 4P (2NO+2NC) | 24A DC | Cage-clamp | 10Una corrente nominale |
- Risoluzione dei problemi & Maintenance Guide
5.1 Common Fault Analysis
| Fenomeno di guasto | Possibili cause | Inspection Steps |
| Coil fails to pull in | 1. Insufficient or reversed coil voltage | 1. Measure coil voltage to confirm 24V DC |
| 2. Bobina bruciata | 2. Test coil resistance (normale: approx 480Ω) | |
| 3. Cablaggio allentato | 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 | |
| Contact sticking | 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. Damaged LED | 1. Check power supply connection |
| 2. Power disconnection | 2. Replace with identical module for test | |
| 3. Internal circuit failure |
5.2 Manutenzione & Replacement Suggestion
- Safety Priority: Cut off power and wait at least 5 minutes for capacitor discharge before maintenance.
- Struttura modulare: 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
- Preventive Maintenance
Inspect terminal connection every 6 mesi
Avoid overload, prenotare 30% current margin
Shorten replacement cycle to 2-3 years under harsh conditions
- Scenari applicativi & Casi di settore
6.1 Campi applicabili
| Industria | Applicazione tipica | Funzione di sicurezza |
| Machinery Manufacturing | Emergency stop circuit, monitoraggio delle porte di sicurezza | Prevent accidental startup, protect operators |
| Linea di produzione automatica | Safety light curtain, two-hand control circuit | Secure operating area safety |
| Elevator & Escalator | Door lock monitoring, safety loop | Avoid unexpected elevator movement |
| Transito ferroviario | Door control, braking system | Comply with railway safety standards |
| Macchine per l'imballaggio | Guardrail monitoring, arresto di emergenza | 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 / 250V e, contactor required for capacity expansion
6.3 Suggerimenti per la selezione & Avoidance Notes
- Distinguish forced guided contact from ordinary relay; IN 50205 compliant type mandatory for safety application
- Confirm coil voltage, 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
- Macchine utensili: Emergency stop circuit, safety door interlock, tool magazine safety lock
- Stamping & forging machines: Guard fence detection, slide safety limit
- Macchine per stampaggio ad iniezione: Mold safety door, manipulator area protection interlock
- Linea di produzione automatica
- Conveyor line: Light curtain safety protection, station access judgment
- Assembly equipment: Two-hand startup circuit, robot fence access control
- Sorting & macchine confezionatrici: Flip cover protection, fault emergency stop interlock
- Sollevamento & Attrezzatura di sollevamento
- Small lift, cargo elevator door control safety circuit
- Crane lifting tool limit protection, power-off safety lock
- Light Industry & 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
- Trasporti & 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
