Big Belly Sales Corporation, founded in 2016, is your go‑to partner for Unison Model 901 Suppliers in Pune. Also known as UNI 901 or 901‑ZDA, the Unison Model 901 is expertly stocked by our Unison Model 901 Dealers in Pune and Unison Model 901 Distributors in Pune. With over nine years of experience in the industrial and commercial supplies sector, you can trust us to deliver top‑quality control panel accessories on time, every time.
The Unison Model 901 is a versatile solid‑state relay (SSR) and temperature controller built for demanding industrial applications. It offers precise power and thermal regulation, zero‑cross switching, modbus communication, and both DIN‑rail and panel mounting options—making it ideal for modern automation environments.
About Unison Model 901
The Unison Model 901 is a solid‑state relay and precision temperature controller combined into one robust unit. It meets rigorous industrial standards through its dealership and authorised‑dealer certifications—from Havells and Trinity Touch to MG Electricia and Elmex. These certifications guarantee genuine parts, safe operation, and full compliance with quality benchmarks.
Specifications of the Unison Model 901
| Specification |
Details |
| Technology |
Solid‑State Relay (SSR) |
| Switching Type |
Zero‑Cross for minimal electrical noise |
| Load Capacities |
25 A, 35 A, 50 A |
| Control Isolation |
Opto‑isolated input |
| Mounting |
DIN‑rail & panel |
| Communication Protocol |
Modbus RTU over RS‑485 |
Types of Unison Model 901
As a Unison Model 901 dealers in Pune, we provides the information about various types of Unison Model 901, Below are the Unison Model 901
- 25 A SSR Controller
Combines a 25 A solid‑state relay with temperature control. Suits light‑to‑medium heating loads in packaging and food processing.
- 35 A SSR Controller
Features a 35 A relay for mid‑range power requirements. Ideal for motor speed control and process automation in textile plants.
- 50 A High-Capacity Controller
Supports up to 50 A loads for heavy industrial heating or large motor drives. Delivers precise regulation in foundries and extruders.
- Panel-Mount SSR & Controller
Designed for control cabinets. Offers easy wiring and front‑panel access for maintenance teams.
Applications of the Unison Model 901
As a Unison Model 901 Suppliers in Pune, here is the information of Unison Model 901, Below we have mentioned the applications of Unison Model 901
- Industrial Heating Systems
Ensures stable temperature regulation in ovens, furnaces, and extruders. Precise control reduces energy consumption and material waste.
- Motor Speed Control
Delivers smooth phase‑angle control for AC motors. Improves process consistency in mixers, conveyors, and pumps.
- Energy-Efficient Lighting
Modulates lighting loads in warehouses and factories. Helps cut electricity bills and extend lamp life.
- Process Control Integration
Seamlessly interfaces with PLCs and HMIs via Modbus RTU. Enables centralized monitoring and automated feedback loops.
- Temperature-Sensitive Operations
Maintains exact heat levels for chemical processing and food packaging. Prevents product defects and enhances safety.
How It Works
The Unison Model 901 uses solid‑state relays to switch power without moving parts, resulting in silent operation and extended lifespan. A built‑in temperature controller monitors sensor inputs and adjusts SSR output in real time. For communication, it leverages Modbus RTU over RS‑485, letting your PLC or HMI fine‑tune setpoints and monitor performance remotely.
Why Choose Us?
- Visionary Partnership
We bridge world‑class automation manufacturers and end users to boost efficiency and innovation.
- Customer-Centric Purpose
Our solutions drive sustainable growth and maximum satisfaction for over 500 clients.
- Proven Certifications
We hold dealership certificates from Havells, Trinity Touch, MG Electricia, Elmex, and more.
- Core Values (L.A.T.C.H.)
Learning, Achieving, Teamwork, Curiosity, Honesty & Transparency guide every project.
Because of these strengths, we are your trusted Unison Model 901 Suppliers in Pune, Unison Model 901 Dealers in Pune, and Unison Model 901 Distributors in Pune.Big Belly Sales Corporation is a trusted supplier, and exporter in Pune.
