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Series 55 - Miniature General Purpose Relays 7 - 10 A. - FINDER
Series 55 miniature general-purpose relays from Finder are compact electromechanical switching devices rated for 7 to 10 amperes, designed for universal control applications. These relays typically feature 1, 2, or 4 changeover contacts (CO) or normally open (NO) contacts, with coil voltages ranging from 5 VDC to 110 VDC and 12 VAC to 230 VAC. T...
Series 55 miniature general-purpose relays from Finder are compact electromechanical switching devices rated for 7 to 10 amperes, designed for universal control applications. These relays typically feature 1, 2, or 4 changeover contacts (CO) or normally open (NO) contacts, with coil voltages ranging from 5 VDC to 110 VDC and 12 VAC to 230 VAC. They are available in both PCB-mount and socket-mount versions, with standard 2.54 mm pin spacing for PCB types and 11-pin or 14-pin octal bases for socket types. The series includes variants with mechanical flag indicators, test buttons, and coil suppression diodes for DC operation. Key technical parameters include a mechanical life of up to 20 million operations, electrical life of 100,000 cycles at rated load, and dielectric strength of 4 kV between coil and contacts. These relays are often referred to as interface relays, interposing relays, or control relays in different markets.
These relays are primarily used in industrial control panels, building automation systems, HVAC controls, and process automation equipment. They serve as interface elements between low-level control signals from PLCs, DCS, or microcontrollers and higher-power loads such as contactors, solenoid valves, motors, and lighting circuits. Common installation environments include electrical cabinets, distribution boards, and terminal boxes in manufacturing plants, commercial buildings, and infrastructure facilities. They are also found in railway signaling, elevator controls, and energy management systems where reliable switching of auxiliary circuits is required.
The main subcategories within Series 55 include the 55.32 (2-pole, 8 A), 55.34 (4-pole, 7 A), and 55.33 (3-pole, 10 A) variants. The article code structure typically follows the pattern: 55.32.9.024.0000, where the first two digits indicate the series (55), the next two digits indicate the number of poles (32 for 2-pole, 34 for 4-pole), the digit after the first dot indicates the contact configuration (9 for 2 CO, 0 for 2 NO), the three digits after the second dot indicate the coil voltage (024 for 24 VDC, 230 for 230 VAC), and the final four digits indicate the version and packaging. Key articles include 55.32.9.024.0000 (2-pole, 24 VDC coil), 55.34.9.024.0000 (4-pole, 24 VDC coil), and 55.33.9.024.0000 (3-pole, 24 VDC coil).
Electric Automation Network offers these Finder Series 55 relays with real-time pricing and express worldwide shipping, ensuring minimal downtime for your projects. Our team of specialized electrical engineers provides personalized technical support for relay selection, coil voltage matching, and socket compatibility. We supply complete documentation including datasheets, dimensional drawings, and wiring diagrams for each article. Benefit from up to 65% discount compared to list prices, with stock available for immediate dispatch from our global logistics centers.
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