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66.82.8.110.4000 Finder Power relay 2pole 30A 110/115V
Finder 66.82.8.110.4000 is a 110 V AC electromechanical power relay from the Series 66 range, featuring 30 A normally open and 10 A normally closed DPDT silver tin oxide contacts, reinforced insulation, flange mounting and Faston 250 terminals for industrial electrical switching.
£12.09
Why Choose the Finder 66.82.8.110.4000 Power Relay?
The Finder 66.82.8.110.4000 is a robust and reliable electromechanical power relay designed for high-current electrical switching in industrial automation, electrical control and power management systems. As part of the established Finder Series 66 power relay range, it combines a double-pole changeover contact arrangement, reinforced electrical insulation and a flange-mounted construction for dependable operation in demanding electrical applications.
The Finder 66.82.8.110.4000 features double-pole double-throw (DPDT / 2 CO) contacts, enabling two independent electrical circuits to be switched using a single electromagnetic coil. Its silver tin oxide (AgSnO2) contact material provides reliable switching performance, while the reinforced insulation between the coil and contacts helps maintain effective electrical separation between control and load circuits.
With a 110 V AC operating coil, 30 A normally open contact rating and 250 V AC rated contact voltage, the Finder 66.82.8.110.4000 is suitable for industrial machinery, heating systems, HVAC equipment and electrical control applications. Its flange-mounted housing and Faston 250 quick-connect terminals allow straightforward installation and integration into industrial electrical assemblies.
Key Advantages
- Robust electromechanical power relay designed for industrial switching applications.
- 110 V AC nominal coil voltage suitable for compatible industrial AC control circuits.
- Double-pole changeover (DPDT / 2 CO) contacts for flexible switching of two independent circuits.
- 30 A normally open contact rating for high-current resistive loads.
- Silver tin oxide (AgSnO2) contacts for reliable electrical switching performance.
- Reinforced insulation between coil and contacts for improved electrical separation.
- Flange-mounted construction provides secure mechanical installation.
- Faston 250 quick-connect terminals simplify wiring, servicing and replacement.
- Non-latching electromagnetic operation for straightforward control.
- Wide operating temperature range suitable for industrial electrical equipment.
Key Features
- Finder Series 66 high-current power relay.
- 66.82 flange-mounted relay design.
- 110 V AC nominal coil voltage, 50/60 Hz.
- 2 CO / DPDT contact configuration.
- 30 A rated normally open contact current.
- 10 A rated normally closed contact current.
- 250 V AC rated contact voltage.
- 440 V AC maximum switching voltage.
- 7,500 VA AC1 switching capacity for normally open contacts.
- 2,500 VA AC1 switching capacity for normally closed contacts.
- Silver tin oxide (AgSnO2) contact material.
- 3.6 VA nominal AC coil consumption.
- Reinforced coil-to-contact insulation with 8 mm creepage and clearance distances.
- 6 kV rated impulse withstand voltage between coil and contacts.
- Faston 250 terminals for quick-connect electrical wiring.
- Flange / chassis mounting for secure installation.
- −40 to +70 °C ambient operating temperature range.
Reliable High-Current Switching for Industrial Control Systems
Electromechanical power relays such as the Finder 66.82.8.110.4000 provide an effective method of controlling electrical loads using a separate AC-powered control circuit. When the relay coil is energised, its electromagnetic mechanism transfers the changeover contacts from their normally closed positions to their normally open positions. This allows connected electrical equipment to be switched without routing the load current directly through the control device.
The Finder Series 66.82 is engineered for applications requiring dependable high-current switching, reinforced electrical insulation and secure mechanical installation. Its silver tin oxide contacts support reliable switching performance, while the flange-mounted housing and Faston 250 terminals simplify integration into electrical panels and industrial equipment. The double-pole changeover arrangement provides flexibility for control, changeover and auxiliary switching circuits.
Typical Applications
- Industrial automation and electrical control systems.
- High-current power switching and distribution control circuits.
- Heating, ventilation and air conditioning (HVAC) equipment.
- Industrial heating systems, boilers and furnaces.
- Industrial machinery and manufacturing equipment.
- Commercial appliances and electrical processing equipment.
- Motor control and auxiliary switching within rated limits.
- Electrical control panels and power management assemblies.
- OEM machinery and industrial electrical equipment.
- Automation systems requiring double-pole changeover switching.
Technical Specifications
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| Device Type | Power Relay | |
|---|---|---|
| Terminal Type | Faston / flat-pin | |
| Load Voltage | 440 V AC | |
| Manufacturer | Finder | |
| Series | 66 Series Power Relays | |
| Model | 66.82.8.110.4000 | |
| Product type | Electromechanical power relay | |
| Relay family | 66.82 | |
| Contact configuration | 2 CO / DPDT | |
| Number of poles | 2 | |
| Nominal coil voltage | 110 V AC | |
| Coil supply frequency | 50/60 Hz | |
| Coil type | AC electromagnetic coil | |
| Nominal coil consumption | 3.6 VA | |
| Rated normally open contact current | 30 A | |
| Rated normally closed contact current | 10 A | |
| Maximum peak current (5 ms) | 120 A (NO) / 20 A (NC), Series 66 rating | |
| Rated contact voltage | 250 V AC | |
| Maximum switching voltage | 440 V AC | |
| Rated AC1 switching load | 7,500 VA (NO) / 2,500 VA (NC) | |
| 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) | |
| DC1 breaking capacity at 110 V DC | 0.7 A (NO) | |
| DC1 breaking capacity at 220 V DC | 0.3 A (NO) | |
| Minimum switching load | 1,000 mW (10 V / 10 mA) | |
| Contact material | Silver tin oxide (AgSnO2) | |
| 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 type | 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 | |
| Mounting flange overall length | approx. 68.5 mm | |
| Relay body length | approx. 51.5 mm | |
| Compliance | RoHS |
Frequently Asked Questions
What is the Finder 66.82.8.110.4000 used for?
The Finder 66.82.8.110.4000 is an electromechanical power relay used for switching electrical loads in industrial automation, electrical control systems, heating equipment and industrial machinery. Its double-pole changeover contact arrangement allows two independent circuits to be controlled using one relay.
What coil voltage does the Finder 66.82.8.110.4000 require?
The relay operates with a 110 V AC nominal coil voltage at 50/60 Hz. Its nominal coil consumption is approximately 3.6 VA.
What is the contact configuration of this relay?
The Finder 66.82.8.110.4000 features a double-pole changeover (DPDT / 2 CO) contact arrangement. Each pole includes normally open, normally closed and common contact connections, allowing two separate circuits to be switched simultaneously.
What switching current can the Finder 66.82.8.110.4000 handle?
The relay has a 30 A rated normally open contact current and a 10 A rated normally closed contact current, with a rated contact voltage of 250 V AC. The permissible switching current depends on the load type, utilisation category and operating conditions.
How is the Finder 66.82.8.110.4000 installed?
The relay features a flange-mounted housing with Faston 250 quick-connect terminals. It is designed for secure installation within electrical control panels, industrial equipment and electrical assemblies rather than direct PCB mounting.
Trusted by Industrial Automation and Electrical Engineers Worldwide
Finder Series 66 power relays provide dependable high-current switching for industrial automation, electrical control and power management equipment. Their robust contact construction, reinforced electrical insulation and practical mounting options make them a reliable choice for engineers and OEM manufacturers developing industrial electrical systems.
