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66.82.9.012.4300 Finder Power relay 2pole 30A DC 12V
Finder 66.82.9.012.4300 is a 30 A flange-mounted electromechanical power relay from the Finder 66 Series featuring a 12 V DC coil, two normally open AgSnO2 contacts and Faston 250 quick-connect terminals for industrial electrical switching applications.
£11.75
Why Choose the Finder 66.82.9.012.4300 Power Relay?
The Finder 66.82.9.012.4300 is a high-current 30 A electromechanical power relay from the Finder 66 Series, designed for reliable electrical switching in industrial automation, machinery, heating equipment and power control systems. Featuring a 12 V DC operating coil, flange mounting and Faston 250 quick-connect terminals, this relay provides a practical solution for industrial electrical panels and OEM equipment.
The relay features a two-pole normally open (2 NO / DPST-NO) contact arrangement, allowing two independent electrical circuits to be switched simultaneously using a single control signal. Its silver tin oxide (AgSnO₂) contacts are designed for demanding power-switching applications, while the electromagnetic operating mechanism provides straightforward, non-latching switching functionality.
With a 30 A rated contact current at 250 V AC, a 7500 VA resistive switching capacity and reinforced insulation between the coil and contacts, the Finder 66.82.9.012.4300 is suitable for appropriately rated industrial electrical loads. Its flange-mounted construction and 6.3 × 0.8 mm Faston terminals support secure installation and convenient electrical connections.
Key Advantages
- 30 A rated contact current for high-current electrical switching applications.
- 12 V DC operating coil suitable for compatible low-voltage control circuits.
- Two normally open contacts enable simultaneous switching of two independent circuits.
- Silver tin oxide (AgSnO₂) contacts provide reliable switching performance.
- Flange-mounted construction supports secure installation on suitable mounting surfaces.
- Faston 250 quick-connect terminals simplify wiring and maintenance.
- 1.7 W nominal coil consumption supports efficient DC control operation.
- Reinforced coil-to-contact insulation provides electrical separation between control and load circuits.
- 440 V AC maximum switching voltage supports a range of industrial applications within the specified load ratings.
- Part of the established Finder 66 Series power relay range.
Key Features
- Finder 66 Series electromechanical power relay.
- 12 V DC nominal coil voltage.
- 2 NO (DPST-NO) contact configuration.
- 30 A rated contact current.
- 250 V AC rated contact voltage.
- 440 V AC maximum switching voltage.
- 7500 VA maximum resistive switching power.
- Silver tin oxide (AgSnO₂) contact material.
- 85 Ω nominal coil resistance.
- 141 mA nominal coil current.
- Flange mounting with Faston 250 terminals.
- 6.3 × 0.8 mm quick-connect terminals.
- RT II environmental protection category.
- Non-latching electromagnetic relay operation.
Reliable High-Current Switching for Industrial Automation
Electromechanical power relays allow low-voltage control circuits to operate higher-current electrical loads through mechanically actuated contacts. When the 12 V DC coil of the Finder 66.82.9.012.4300 is energised, its electromagnetic mechanism closes both normally open contacts, allowing current to flow through the connected load circuits. When coil power is removed, the contacts return to their normally open positions.
The Finder 66.82.9.012.4300 provides a practical switching solution for industrial machinery, heating systems, power management equipment and automated electrical assemblies. Its dual normally open contacts enable simultaneous switching of two circuits, while AgSnO₂ contact material, flange mounting and Faston connections support reliable integration into suitable industrial equipment. Engineers should verify load characteristics, inrush current, switching frequency and operating conditions against the manufacturer's specifications before installation.
Typical Applications
- Industrial automation and electrical control panels.
- Industrial heating equipment, boilers and ovens.
- HVAC and ventilation control systems.
- Electrical load switching and management.
- Industrial machinery and OEM equipment.
- Power distribution and auxiliary switching circuits.
- Commercial appliances and electrical equipment.
- Motor control circuits within the applicable contact ratings.
- Power management and electrical control assemblies.
- Equipment requiring two-pole normally open switching.
Technical Specifications
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| Device Type | Power Relay | |
|---|---|---|
| Terminal Type | Faston / flat-pin | |
| Load Voltage | 440 V AC | |
| Mounting Type | Panel | |
| Switching Current (A) | 30 A | |
| Manufacturer | Finder | |
| Series | 66 Series Power Relays | |
| Manufacturer part number | 66.82.9.012.4300 | |
| Product type | Electromechanical power relay | |
| Relay operation | Non-latching | |
| Contact configuration | 2 NO (DPST-NO) | |
| Number of poles | 2 | |
| Nominal coil voltage | 12 V DC | |
| Nominal DC coil consumption | 1.7 W | |
| Nominal coil resistance | 85 Ω | |
| Nominal coil current | 141 mA | |
| Rated contact current | 30 A | |
| Rated contact voltage | 250 V AC | |
| Maximum switching voltage | 440 V AC | |
| Maximum DC switching voltage | 220 V DC, subject to the DC load characteristic | |
| Rated resistive switching load (AC1) | 7500 VA | |
| Resistive DC switching rating | 25 A at 24 V DC | |
| Maximum peak contact current | 120 A under specified conditions | |
| Contact material | Silver tin oxide (AgSnO₂) | |
| Mounting type | Flange mounting / panel mounting | |
| Connection type | Faston 250 quick-connect terminals | |
| Terminal dimensions | 6.3 × 0.8 mm | |
| Number of terminals | 6 | |
| Dielectric strength between coil and contacts | 4000 V AC | |
| Operating time | 8 ms | |
| Release time | 10 ms | |
| Mechanical endurance | 10,000,000 cycles | |
| Electrical endurance | 100,000 cycles under specified test conditions | |
| Ambient operating temperature | −40 to +70 °C | |
| Environmental protection category | RT II | |
| Overall dimensions (L × W × H) | 68.5 × 33.5 × 31 mm |
Frequently Asked Questions
What is the Finder 66.82.9.012.4300 used for?
The Finder 66.82.9.012.4300 is an electromechanical power relay designed for switching electrical loads in industrial automation, heating equipment, machinery, power management and electrical control systems.
What coil voltage does the Finder 66.82.9.012.4300 require?
The relay operates using a 12 V DC nominal coil with 1.7 W nominal coil consumption, 85 Ω coil resistance and approximately 141 mA coil current.
What is the switching current rating of this relay?
The Finder 66.82.9.012.4300 has a 30 A rated contact current at 250 V AC for specified resistive loads. Its permissible switching current depends on the electrical load characteristics, operating voltage and switching conditions.
What contact configuration does the Finder 66.82.9.012.4300 use?
The relay features a two-pole normally open (2 NO / DPST-NO) contact configuration with silver tin oxide (AgSnO₂) contacts, allowing two independent electrical circuits to be switched simultaneously when the coil is energised.
How is the Finder 66.82.9.012.4300 installed?
The relay is designed for flange mounting and uses Faston 250 quick-connect terminals measuring 6.3 × 0.8 mm, enabling secure mechanical installation and convenient wiring in suitable electrical control assemblies.
Trusted by Industrial Automation and Electrical Engineers Worldwide
Finder 66 Series power relays are designed for dependable high-current electrical switching in industrial automation, power management and equipment control applications. With robust electromagnetic construction, practical mounting arrangements and versatile contact configurations, Finder relays provide switching solutions for electrical engineers, panel builders and OEM equipment manufacturers.
