DANFOSS 593-3003/4 PCB

The Relay Control PCB Module (I.D. No.: 593-300314, WJ-SN: 020111) is a dedicated electronic interface board designed for industrial, marine, and hydraulic automation systems. Equipped with a 24V DC coil relay, IC logic, optocouplers, LED indicators, and discrete protection circuitry, it ensures safe signal processing, isolation, and load switching.

This robust PCB is widely integrated in marine control panels, hydraulic actuators, VRCS systems, and industrial automation units, making it a critical part of reliable operation and fault-free switching.

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Technical Specifications

• I.D. No.: 593-300314

• WJ-SN: 020111

• Relay (SSD105P – DECO):

?– Coil: 24V DC

?– Contacts: 3A @ 250V AC

?– Function: SPDT, N.C. / N.O. outputs

• IC Components:

?– IC1: Dual op-amp / comparator (signal conditioning)

?– IC2: CF7145 microcontroller / logic IC (control processing)

?– IC3: Optocoupler / signal isolator (safety isolation)

• Transistors / Regulators: Q1–Q3 (relay driver & voltage regulation)

• LED Indicators: L1 (Red) – fault/relay status, L2 (Green) – power ON

• Protection: Diodes D1–D5 for reverse polarity & surge protection

• Connector: Edge terminal (1–10 pins) for easy integration

• Operating Voltage: 24V DC (industrial standard)

• Output Type: Relay-based isolated contact switching

• PCB Application: Control, monitoring, and interface

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Key Features

• 24V DC relay interface board with N.O./N.C. contacts

• Provides isolation and protection for control signals

• Onboard status indication (red/green LEDs)

• Built-in microcontroller logic & op-amp processing

• Compact, rugged PCB design for industrial and marine environments

• Field-replaceable for Danfoss / Damcos / marine automation systems

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Applications

• Marine Hydraulic Actuator Systems

• VRCS (Valve Remote Control Systems)

• Industrial Automation Panels

• Remote Switching & Relay Logic

• Oil & Gas Offshore Equipment

• Ship Repair & Retrofit Control Boards

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Global Export & Supply Coverage : 

India : Mumbai, Delhi, Chennai, Visakhapatnam, Kolkata, Cochin, Ahmedabad, Goa, Tuticorin, Kandla, Bangalore, Hyderabad, Pune, Surat, Jaipur, Lucknow, Kanpur, Chandigarh, and over 100 additional cities.

USA – United States of America : New York, Houston, Los Angeles, Miami, Seattle, San Francisco, New Orleans, Boston, Chicago, Baltimore, Savannah, Charleston, Norfolk, Jacksonville, Philadelphia, and more than 200 other cities.

Russia : Moscow, Saint Petersburg, Novorossiysk, Vladivostok, Murmansk, Kaliningrad, Sochi, Arkhangelsk, Rostov-on-Don, and other port cities.

UAE – United Arab Emirates : Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah, Khor Fakkan, Umm Al Quwain, and all industrial and port zones.

China : Shanghai, Shenzhen, Guangzhou, Qingdao, Tianjin, Hong Kong, Dalian, Xiamen, Ningbo, Chongqing, Wuhan, and other major cities.

UK : London, Liverpool, Southampton, Newcastle, Aberdeen, Glasgow, Bristol, Birmingham, Manchester, and all significant ports.

France : Paris, Marseille, Le Havre, Dunkirk, Lyon, Bordeaux, Nice, Nantes.

Germany : Hamburg, Bremen, Frankfurt, Berlin, Munich, Dresden, Dusseldorf, Stuttgart.

Italy : Genoa, Venice, Trieste, Naples, Rome, Milan, Palermo, Livorno.

Spain : Barcelona, Valencia, Algeciras, Madrid, Bilbao, Seville, Malaga.

Japan : Tokyo, Yokohama, Osaka, Kobe, Nagoya, Hiroshima, Fukuoka, Kitakyushu.

Canada : Vancouver, Montreal, Toronto, Halifax, Saint John, Calgary, Edmonton, Winnipeg.

Brazil : Sao Paulo, Rio de Janeiro, Santos, Salvador, Recife, Porto Alegre, Fortaleza.

Turkey : Istanbul, Izmir, Mersin, Ankara, Antalya, Bursa, Samsun.

Australia : Sydney, Melbourne, Brisbane, Perth, Adelaide, Fremantle, Darwin.

South Korea : Busan, Incheon, Seoul, Ulsan, Gwangyang, Pohang.

Singapore : Singapore and all major port facilities.

Netherlands : Rotterdam, Amsterdam, Vlissingen, Groningen, Utrecht.

Norway : Oslo, Bergen, Stavanger, Trondheim, Kristiansand, Tromso, Alesund.

Sweden : Stockholm, Gothenburg, Malmo, Helsingborg, Umea.

Poland : Gdansk, Gdynia, Szczecin, Warsaw, Krakow, Wroclaw.

Indonesia : Jakarta, Surabaya, Semarang, Medan, Makassar, Batam, Balikpapan.

Malaysia : Port Klang, Penang, Johor Bahru, Kuantan, Kuching, Kota Kinabalu.

Saudi Arabia : Jeddah, Dammam, Riyadh, Jubail, Yanbu, Ras Tanura, Mecca.

Egypt : Alexandria, Port Said, Cairo, Suez, Damietta.

Thailand : Bangkok, Laem Chabang, Phuket, Pattaya, Songkhla.

Philippines : Manila, Cebu, Davao, Batangas, Subic Bay.

Nigeria : Lagos, Port Harcourt, Abuja, Warri, Calabar, Onne.

Bangladesh : Dhaka, Chattogram, Khulna, Mongla, Narayanganj.

Vietnam : Ho Chi Minh City, Hanoi, Haiphong, Da Nang, Can Tho.

Argentina : Buenos Aires, Rosario, Bahia Blanca, Cordoba, La Plata.

Africa : Tangier-Med, Casablanca, Algiers, Oran, Annaba, Tunis, Rades, Sfax, Tripoli, Benghazi, Misrata, Port Said, Alexandria, Damietta, Dakar, Nouakchott, Nouadhibou, Conakry, Freetown, Monrovia, Abidjan, San Pedro, Tema, Takoradi, Lomé, Cotonou, Lagos, Apapa, Tin Can, Lekki, Port Harcourt, Warri, Calabar, Douala, Kribi, Libreville, Port-Gentil, Pointe-Noire, Matadi, Boma, Djibouti, Doraleh, Berbera, Bossaso, Mogadishu, Mombasa, Lamu, Dar es Salaam, Zanzibar, Tanga, Beira, Maputo, Nacala, Durban, Richards Bay, Ngqura, Port Elizabeth, Gqeberha, Cape Town, Saldanha Bay, East London, Walvis Bay, Lüderitz, Luanda, Lobito, Namibe, Port Sudan, Suakin, Massawa, Assab, Malabo, Bata, Moroni, Mahajanga, Toamasina, Tamatave, Antsiranana, Ehoala, Saint Louis, Banjul, Pemba, Quelimane, Kismayo.

Gani Marine Exporter – Global Marine Hydraulic Supplier