Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
66.82.8.120.4301 Finder Power relay 2pole 30A 120/125V
Finder 66.82.8.120.4301 is a 120 V AC electromechanical power relay from the Series 66.82 range, featuring double-pole high-current switching, reinforced coil-to-contact insulation, flange mounting and Faston 250 terminals for industrial automation and electrical control applications.
£15.98
Why Choose the Finder 66.82.8.120.4301 Power Relay?
The Finder 66.82.8.120.4301 is a robust electromechanical power relay designed for high-current electrical switching in industrial automation, machinery control and power management systems. As part of the established Finder Series 66 power relay range, it combines dependable electromagnetic operation, high-current contacts and reinforced electrical insulation in a practical flange-mounted construction.
The Finder 66.82 family features double-pole switching technology and is designed for applications requiring reliable control of electrical loads. The 66.82.8.120.4301 incorporates a 120 V AC operating coil, allowing compatible AC control circuits to operate the relay contacts. Its Faston 250 quick-connect terminals and flange-mounted housing support convenient installation within industrial electrical equipment and control assemblies.
The Finder 66.82 series provides 30 A rated normally open contacts for resistive AC loads, with a 250 V AC rated contact voltage. The 66.82.8.120.4301 is suitable for industrial heating equipment, HVAC systems, electrical machinery and power switching applications where robust construction and dependable electrical isolation are important.
Key Advantages
- Robust electromechanical power relay for industrial switching applications.
- 120 V AC nominal operating coil for compatible industrial control circuits.
- Double-pole switching design for controlling two electrical circuits.
- 30 A normally open contact rating within the Finder 66.82 series.
- 250 V AC rated contact voltage for industrial electrical loads.
- Flange-mounted construction for secure installation within electrical equipment.
- Faston 250 quick-connect terminals simplify wiring and maintenance.
- Reinforced coil-to-contact insulation helps maintain separation between control and load circuits.
- Non-latching electromagnetic operation provides straightforward switching control.
- Suitable for industrial equipment requiring reliable high-current switching.
Key Features
- Finder Series 66 high-current power relay.
- 66.82 flange-mounted relay family.
- 120 V AC nominal coil voltage.
- 50/60 Hz AC coil operation.
- Double-pole electromechanical switching system.
- 30 A rated normally open contacts for resistive loads in the Series 66.82 range.
- 250 V AC rated contact voltage.
- 440 V AC maximum switching voltage for the standard series.
- 3.6 VA nominal AC coil consumption.
- Faston 250 terminals measuring 6.3 × 0.8 mm.
- Reinforced insulation with 8 mm creepage and clearance distances between coil and contacts.
- 6 kV coil-to-contact impulse withstand voltage.
- Flange / chassis mounting for secure mechanical installation.
- Monostable, non-latching electromagnetic mechanism.
- −40 to +70 °C ambient operating temperature range for the standard series.
Reliable High-Current Switching for Industrial Control Systems
Electromechanical power relays such as the Finder 66.82.8.120.4301 provide an effective method of controlling electrical loads using a separate low-power electromagnetic control circuit. When the 120 V AC coil is energised, the internal relay mechanism operates the switching contacts, allowing connected equipment to be controlled without passing the full load current through the control device.
The Finder Series 66.82 is designed for industrial applications requiring high-current switching, reinforced electrical insulation and secure mechanical installation. Its flange-mounted housing and Faston 250 terminals simplify integration into electrical equipment, while its double-pole construction supports control of separate electrical circuits. Correct relay selection should consider the contact configuration, load characteristics, switching frequency and applicable manufacturer ratings.
Typical Applications
- Industrial automation and electrical control systems.
- High-current power switching and control circuits.
- Heating, ventilation and air conditioning (HVAC) equipment.
- Industrial heating systems, boilers and furnaces.
- Industrial machinery and manufacturing equipment.
- Electrical distribution and power management assemblies.
- Commercial appliances and industrial processing equipment.
- Motor and auxiliary equipment switching within applicable ratings.
- OEM machinery and electrical control panels.
- Electrical systems using 120 V AC relay control circuits.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Power Relay | |
|---|---|---|
| Terminal Type | Faston / flat-pin | |
| Load Voltage | 440 V AC | |
| Manufacturer | Finder | |
| Series | 66 Series Power Relays | |
| Model | 66.82.8.120.4301 | |
| Product type | Electromechanical power relay | |
| Relay family | 66.82 | |
| Number of poles | 2 | |
| Nominal coil voltage | 120 V AC | |
| Coil frequency | 50/60 Hz | |
| Coil type | AC electromagnetic coil | |
| Nominal coil consumption | 3.6 VA | |
| Nominal coil current | 30 mA at 50 Hz | |
| Nominal coil resistance | approx. 1.05 kΩ | |
| AC coil operating range | 0.8–1.1 × nominal voltage (Series 66) | |
| Rated normally open contact current | 30 A (Series 66.82) | |
| Rated normally closed contact current | 10 A (changeover variants) | |
| Rated contact voltage | 250 V AC | |
| Maximum switching voltage | 440 V AC | |
| Rated AC1 switching load | 7,500 VA (NO) / 2,500 VA (NC, where fitted) | |
| Rated AC15 switching load at 230 V AC | 1,200 VA (NO) | |
| Single-phase motor rating at 230 V AC | 1.5 kW (NO) | |
| DC1 breaking capacity at 24 V DC | 25 A (NO) | |
| Minimum switching load | 1,000 mW (10 V / 10 mA) | |
| Operating mechanism | Non-latching / monostable | |
| Mounting type | Flange / chassis mounting | |
| Terminal type | Faston 250 quick-connect terminals | |
| Terminal dimensions | 6.3 × 0.8 mm | |
| Insulation | Reinforced insulation between coil and contacts | |
| Creepage and clearance | 8 mm | |
| Coil-to-contact impulse withstand | 6 kV | |
| Dielectric strength between open contacts | 1,500 V AC | |
| Operating temperature | −40 to +70 °C | |
| Environmental protection category | RT II (standard Series 66 construction) | |
| Dimensions (L × W × H) | approx. 68.5 × 33.5 × 31 mm |
Frequently Asked Questions
What is the Finder 66.82.8.120.4301 used for?
The Finder 66.82.8.120.4301 is an electromechanical power relay intended for switching electrical loads in industrial automation, machinery, heating equipment and electrical control systems. It belongs to the Finder Series 66.82 flange-mounted relay family.
What coil voltage does the Finder 66.82.8.120.4301 require?
The relay operates with a 120 V AC nominal coil voltage at 50/60 Hz. The Series 66 AC coil has a nominal consumption of approximately 3.6 VA.
What switching current can the Finder 66.82 series handle?
The Finder 66.82 series provides 30 A rated normally open contacts for resistive AC loads at a rated voltage of 250 V AC. Changeover variants also have normally closed contacts with a lower current rating. The permissible load depends on the exact contact configuration and operating conditions.
How is the Finder 66.82.8.120.4301 installed?
The Finder 66.82 relay family uses a flange-mounted housing with Faston 250 quick-connect terminals. This construction supports installation within electrical control panels, machinery and industrial equipment rather than direct PCB mounting.
What are the benefits of the Finder Series 66 power relay design?
The Series 66 combines high-current switching capability, reinforced electrical insulation and dependable electromechanical operation. Its flange-mounted variants provide secure installation and convenient electrical connections for industrial control and power switching applications.
Trusted by Industrial Automation and Electrical Engineers Worldwide
Finder Series 66 power relays are designed to deliver dependable high-current switching in industrial automation, electrical control and power management equipment. Their robust construction, reinforced insulation and practical mounting arrangements make them a valuable choice for engineers and OEM manufacturers developing reliable industrial electrical systems.
