Uvod
This manual provides essential information for the safe and effective installation, operation, and maintenance of the Idec RH2B-UL-AC110-120V Electromechanical Relay. Please read this manual thoroughly before using the product to ensure proper function and to prevent potential hazards.
Sigurnosne informacije
WARNING: Electrical shock hazard. Installation and maintenance should only be performed by qualified personnel. Disconnect all power before working with the relay.
- Always ensure power is disconnected before installation, wiring, or maintenance.
- Potvrdite tačan voltage and current ratings before connecting the relay to a circuit.
- Ne koristite relej u okruženjima koja prelaze specificirana ograničenja temperature ili vlažnosti.
- Ensure proper grounding where applicable.
Product Overview
The Idec RH2B-UL-AC110-120V is a general-purpose electromechanical relay designed for various industrial control applications. It features a compact design and is suitable for DIN rail mounting.

Figure 1: Idec RH2B-UL-AC110-120V Relays in their original packaging, showing a pack of four units.

Figure 2: A single Idec RH2B-UL-AC110-120V relay, providing an angled view of the transparent casing i unutrašnje komponente.
Postavljanje i instalacija
Follow these steps for proper installation of the Idec RH2B-UL-AC110-120V Relay:
- Isključivanje struje: Ensure all power to the circuit is completely disconnected before beginning installation.
- Montaža: The relay is designed for DIN Rail mounting. Securely attach the relay to a standard DIN rail in your control panel.
- Ožičenje: The relay utilizes through-hole connectors. Carefully connect the control circuit wiring to the coil terminals and the load circuit wiring to the contact terminals. Refer to the wiring diagram (if available in your system documentation) for specific terminal assignments.

Slika 3: Dno view of the relay, showing the through-hole connector pins for wiring connections.
- Voltage Verifikacija: Potvrdite da je zaliha voltage for the coil matches the relay's specified voltage od 110-120V AC, 50/60Hz.

Slika 4: Krupni plan view of the relay's transparent casing, highlighting the model number and voltage specifications (AC110-120V, 50/60Hz).
- Load Verification: Ensure the connected load does not exceed the relay's contact ratings (e.g., 10A resistive at 240VAC).

Slika 5: Bočna strana view of the relay, displaying detailed electrical ratings and certifications.
- Konačna provjera: Before restoring power, double-check all connections for security and correctness.
Uputstvo za upotrebu
The Idec RH2B-UL-AC110-120V Relay operates automatically based on the control signal applied to its coil. When the specified AC voltage (110-120V) is applied to the coil, the relay contacts will switch, opening or closing the connected load circuit. When the voltage is removed, the contacts return to their original state.
- Ensure the control signal is within the specified voltage raspon za pouzdan rad.
- Observe any indicator lights on the relay (if present) to confirm coil energization.
Održavanje
The Idec RH2B-UL-AC110-120V Relay is designed for long-term, reliable operation with minimal maintenance. However, periodic inspection is recommended:
- Vizuelni pregled: Povremeno provjeravajte relej na bilo kakve znakove fizičkog oštećenja, promjene boje ili labavih spojeva.
- čišćenje: Ako je potrebno, nježno očistite vanjski dio releja suhom, mekom krpom. Ne koristite rastvarače ili abrazivna sredstva za čišćenje.
- Inspekcija kontakta: In critical applications, inspect contacts for pitting or wear. Replace the relay if significant wear is observed.
- Uslovi okoline: Osigurajte da radno okruženje ostane unutar specificiranih raspona temperature i vlažnosti kako biste spriječili prerani kvar.
Rješavanje problema
If the relay is not functioning as expected, consider the following common issues:
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Relay coil does not energize. | No power to coil, incorrect voltage, faulty wiring, or damaged coil. | Provjerite napajanje, provjerite jačinu zvukatage (110-120V AC), inspect wiring connections, test coil continuity. |
| Contacts do not switch. | Coil not energizing, contacts welded, or mechanical failure. | Refer to "Relay coil does not energize" solutions. If coil is good, replace relay. |
| Load not receiving power. | Relay contacts not closing, open circuit in load wiring, or faulty load. | Verify relay operation. Check load circuit wiring and the load itself. |
If troubleshooting steps do not resolve the issue, contact Idec technical support or a qualified electrician.
Specifikacije
| Parametar | Vrijednost |
|---|---|
| Broj modela | RH2B-UL-AC110-120V |
| Brand | Idec |
| Coil Voltage | 110-120V AC |
| Frekvencija | 50/60 Hz |
| Current Rating (Resistive) | 10A @ 240VAC, 10A @ 30VDC |
| Current Rating (General Use) | 7.5A @ 120VAC, 7A @ 240VAC, 7.5A @ 30VDC |
| Horsepower Rating | 1/6 HP @ 120VAC, 1/3 HP @ 240VAC |
| Vrsta montaže | Montaža na DIN šinu |
| Tip konektora | Kroz rupu |
| Način rada | Automatski |
| Težina artikla | 0.01 unce |
| Proizvođač | Idec |
Garancija i podrška
For warranty information and technical support, please contact Idec directly through their official website or customer service channels. Keep your purchase receipt for warranty claims.
Idec Official Webstranica: us.idec.com





