Three-phase phase angle controller TYA BL303

Overview
The JUMO TYA BL303 is a three-phase thyristor controller for linear loads, covering a load current range of 300–800 A. Its compact design and top-bottom wiring support space-efficient installation and easy cabling. An integrated current sensor monitors heating elements to ensure safe operation. Certifications cUL 508 (up to 700 A) and UL (800 A) support use on the North American market.

Highlights

• Wide current range: 300–800 A
• Compact footprint with top-bottom wiring
• Integrated current sensor and simple control electronics

Customer benefits at a glance

• Adaptable to various linear heating loads thanks to broad application range
• Faster commissioning due to minimal parameterization
• Reduced cabinet space requirement because of compact size

General technical data
Load current: 300 to 800 A
Load voltage: 230 to 690 V
Approvals: cUL 508 (up to 700 A), UL (800 A)
Inputs: 1 digital input; 1 analog input (0–10 V, 0–20 mA, potentiometer)
Special features: Compact design; top-bottom wiring; simple control electronics; integrated current sensor; optional load management up to 24 zones

Characteristics / technical specifications

• Area of application: 300–800 A
• Load voltage range: 230–690 V
• Certifications: cUL 508 (up to 700 A), UL (800 A)
• Inputs: 1 digital input; 1 analog input (0–10 V; 0–20 mA; potentiometer)
• Integrated current sensor for monitoring heating elements
• Compact design with top-bottom wiring for efficient installation
• Simple control electronics minimizing parameterization effort
• Optional load management for up to 24 zones