Solid State Relay Suppliers in Kolkata, West Bengal
Solid State Relays are increasingly used in Kolkata, West Bengal, for industrial automation and electrical switching systems. These relays use semiconductor technology instead of mechanical contacts, offering longer lifespan, silent performance, and resistance to vibration. In Kolkata’s manufacturing units, power plants, and commercial facilities, SSRs are applied in motor drives, heating control, lighting circuits, and process automation. Popular variants include 3 Phase Solid State Relays, DC SSR Relays, and DIN Rail Mounted SSRs, each suited for different industrial environments. With major hubs like Howrah, Dankuni, and Kasba Industrial Estate, suppliers across Kolkata provide a wide selection of SSRs from multiple brands. Companies in the region benefit from competitive sourcing, making it easier to compare specifications and choose the right SSR for their operations.
Solid State Relays in Kolkata, West Bengal are vital for industries seeking reliable and maintenance-free switching solutions. These electronic relays are built with semiconductors, eliminating the wear and tear seen in electromechanical relays. As a result, SSRs deliver silent, fast, and durable performance across a wide range of industrial systems in the Kolkata region.
Industrial areas such as Howrah, Dankuni, and Budge Budge make extensive use of Solid State Relays in their automation and power management systems. From controlling industrial heaters to running motors and pumps, these relays ensure dependable switching. Suppliers in Kolkata also serve businesses in Salt Lake, Rajarhat, and Kasba Industrial Estate, providing easy access to high-quality SSR models.
Different types of Solid State Relays are supplied in Kolkata to meet specialized industrial needs. A DC Solid State Relay is commonly used in low-voltage applications, while a 3 Phase SSR is selected for motor drives and heavy-duty heater control. For compact panel setups, DIN Rail Solid State Relays are popular due to their easy installation and wiring flexibility.
Suppliers in Kolkata provide SSRs from a wide mix of trusted brands, offered in varied order to meet industry demand. Available options include Omron, Delta, Carlo Gavazzi, Autonics, ABB, Siemens, Schneider Electric, Phoenix Contact, Panasonic, and Rockwell Allen-Bradley. Each brand is known for consistent performance, reliability, and suitability across manufacturing, power distribution, and automation systems.
Automation and manufacturing facilities in areas like Howrah Industrial Zone and Dankuni use Solid State Timer Relays and Time Delay Relays to manage sequencing and motor startup control. In addition, SSRs are deployed in food processing plants, textile mills, and chemical industries around Kolkata for heater regulation, ensuring accurate and energy-efficient operation.
When selecting a Solid State Relay, engineers and maintenance teams in Kolkata consider essential specifications for proper application:
- Input Voltage (Control): Ranges from 3–32 VDC or 90–280 VAC depending on model.
- Load Voltage: AC relays cover 24–280 VAC or 48–660 VAC, DC models handle 5–220 VDC.
- Current Rating: Options include 10A, 25A, 40A, up to 100A continuous load capacity.
- Switching Type: Zero-crossing switching for resistive loads; random turn-on for inductive loads.
- On-State Voltage Drop: Typically 1–2V across output when conducting.
- Isolation Voltage: Optical isolation ranging from 2.5–4 kV for safe operation.
- Operating Temperature: -30°C to +80°C, with external heat sinks for high current SSRs.
- Mounting Options: Supplied in panel mount, DIN rail mount, or PCB mount formats.
Kolkata’ Suppliers ensure a wide availability of Solid State Relays, enabling industries to compare specifications and source models suited for their requirements. Companies in Rajarhat, Budge Budge, and Dankuni can access SSRs quickly, keeping their automation systems efficient and reliable. With dealers and distributors present in and around the city, sourcing becomes straightforward and competitive.
IndMALL serves as a B2B marketplace that connects industries in Kolkata with multiple suppliers of Solid State Relays. Businesses can instantly compare quotes, evaluate technical specifications, and select the right SSR solutions to match their industrial applications. This ensures smooth operations in Kolkata’s growing automation and manufacturing sectors.
Whether your requirement is for a Solid State Relay 12V for compact systems, a 3 Phase SSR for heater and motor control, or a High Voltage Solid State Relay for distribution networks, suppliers in Kolkata provide a wide selection. With competitive sourcing and access to multiple brands, companies in West Bengal can improve productivity, safety, and reliability across industrial processes.


















