
Solid State Relays & SCR Power Modules
BSSR3 Three Phase Solid State Relay BSSR3-40A 60A 80A 100A 120A
The BSSR3 Three Phase Solid State Relay is designed for three-phase AC load control. It uses DC input control and AC output switching, suitable for industrial heating, temperature control, motor control, lighting systems, automation equipment, and power control cabinets. This series includes common current options such as 40A, 60A, 80A, and 100A, with output load voltage typically suitable for 48–480VAC three-phase systems.
- Three-phase solid state relay
- DC control AC output
- Suitable for 380VAC three-phase systems
- Current options: 40A / 60A / 80A / 100A / 120A
- Input control voltage: 4–32VDC
- Load voltage: 48–480VAC
- No contact spark, silent switching
- High reliability and long service life
- Suitable for resistive and heating loads
- Heat sink recommended for continuous operation
- Lead time
- 3–5 working days
- Warranty
- 12 months
- OEM
- Supported
- Shipping
- Worldwide export
Technical specifications
| Product Name | Three Phase Solid State Relay |
|---|---|
| Model | BSSR3 |
| Control Type | DC Control AC |
| Input Voltage | 4–32VDC |
| Load Voltage | 48–480VAC |
| Output Type | Three Phase AC Output |
| Current Options | 40A / 60A / 80A / 100A /120A |
| Control Current | ≥20mA |
| Leakage Current | ≤5mA |
| Frequency | 50/60Hz |
| Mounting Method | Screw Mounting |
| Cooling Method | Heat Sink Required |
| Application | Three Phase Load Control |
Related guides
How to Wire TCN4S and TCN4H/L/M Temperature Controllers: Contactor and SSR Methods
Terminal-by-terminal wiring instructions for the TCN4S-14RV and TCN4H/L/M-14RV PID temperature controllers, covering AC contactor (relay output) wiring, BSSR-25DA solid-state relay wiring, K type and PT100/Cu50 sensor connections, SSR heat sink sizing and a commissioning checklist.
Read guide FAQ · 2025-05-22What's the Difference Between Zero-Crossing and Random Turn-On Solid State Relays?
This blog explains the core differences between zero-crossing and random turn-on SSRs, including switching behavior, EMI, and application suitability.
Read guide Technical Guides · 2025-04-15How to Wire REX-C100/C400/C700 Temperature Controllers with Relay and SSR Output
This blog provides a comprehensive guide on wiring REX series temperature controllers, including the C100, C400, and C700 models. It explains both relay and solid-state relay (SSR) output methods, sensor wiring (K-type and PT100), and alarm connections. Diagrams are provided for practical understanding and installation reference.
Read guideRelated models
All Solid State Relays & SCR Power Modules
SSR-DA Single-Phase SSR — Standard Black Housing, 10A–100A
SSR-DA Series single-phase solid state relays from Beijing Strong Electric offer fast, silent zero-cross switching for AC resistive loads. Control input is 3–32VDC, load output 24–480VAC, with rated current from 10A to 100A. Typical uses are heating equipment, ovens, lighting circuits, packaging machines and temperature control systems.
View details
BSSR-3 Three-Phase SSR — Integrated Cover, 10A–120A
BSSR-3 Series Three-Phase Solid State Relay is an industrial-grade solid state switching module designed for three-phase AC load control. It supports DC-to-AC control and AC-to-AC control options, with rated current choices from 10A to 120A.
View details
BSSR-DA Single-Phase SSR — Integrated Cover, 10A–120A
BSSR-DA Series Solid State Relay is a single-phase DC-to-AC solid state relay designed for industrial heating, motor control, temperature control systems, automation equipment, and switching applications. It features DC 3-32V control input, AC 24-480V load output, fast switching, stable performance, compact design, and good heat dissipation.
View details
DIN Rail SSR with Integrated Heat Sink, 10A–120A
DIN Rail Mount Solid State Relay is a slim integrated SSR with built-in heat sink, designed for compact industrial control cabinets and DIN rail installation. It supports high-efficiency switching for AC load control, with current options from 10A to 120A. The integrated heat sink improves thermal management, while the slim structure helps save panel space.
View detailsNeed help selecting the right model?
Send us the load, voltage, sensor type and output signal. We reply with the matching model, wiring notes and an OEM quotation.
