Skip to content
ISB Logo

New ISB Press Safety Products— Light Curtains, RBPC Control & Guarding Systems

Why ISB Safety Matters for Press Operations

At Heritage Machinery, we understand that press room safety is critical to protecting operators, ensuring productivity, and maintaining compliance. That’s why we offer a complete suite of ISB Press Safety Products — from Type 4 safety light curtains to advanced control systems and guarding accessories. ISB has been a leader in press safety innovation, producing rugged, field-proven solutions that meet the strictest safety standards.

 

ISB Collage 1

SAFETY IS OUR PASSION. YOUR SAFETY IS OUR MISSION!

 

"Scroll down for more information on ISB Safety Products."

Our ISB Safety Product Line

Here’s an overview of the ISB safety solutions we support and supply, plus how they help make your press operations safer and more efficient.

ISB MX4000 / MX4200 Safety Light Curtains

  • Type 4 Active Optoelectronic Protective Devices (AOPDs): The MX series is certified for high-risk applications and meets SIL-3 / PL e safety standards. 

  • Flexible detection capabilities: Available in 14 mm (finger protection), 22 mm, 30 mm, 38 mm, and 82 mm resolutions for hand or body protection. 

  • Robust design: Aluminum housing, IP65-rated, and easy to commission. 

  • Advanced features: Floating beam, fixed or monitored blanking, muting, and a portable teach-tool for configuration (no laptop needed). 

  • Extended range options: ISB offers “XT” columns capable of scanning up to 23 m (75 ft), ideal for large or tandem presses. 

Learn more here

Key Benefits:

  • Prevents reach-in and pinch points on power presses

  • Customizable blanking windows let conveyors, chutes, and material feed through safely

  • Easy to install and configure directly in the pressroom


Merlin 4000 Press Brake Guarding System

  • Smart press brake protection: The Merlin 4000 system is designed specifically for press brakes, with a touchscreen HMI that lets operators teach part profiles. More information

  • Dynamic safety window: The system “learns” flange geometry, adjusting its protective field dynamically on each stroke.

  • No calibration, minimal setup: Merlin 4000 PRO version offers no-tooling-change setup, job memory, and intuitive visual prompts. isblite.com

  • Crush-zone protection: Optional additional light curtain for ram protection, ensuring full front guarding even with ATC systems. isblite.com

Key Benefits:

  • Enhances safety without compromising productivity

  • Supports complex part geometries and fast changeovers

  • Proven in high-demand production settings


Resolver-Based Press Control (RBPC)

  • Compact and powerful: ISB’s RBPC (Resolver Based Press Control) offers a full press-control solution in a compact panel-mount housing.

  • Die monitoring: Supports up to 12 PLS (part length sensor) channels and up to 25 die-protection channels — ideal for clutch-based mechanical power presses.

  • Seamless integration: Designed to integrate tightly with ISB light curtains and safeguarding systems for a unified safety solution.

Learn more here

Key Benefits:

  • Monitors clutch / ram behavior to prevent crashes

  • Reduces wiring complexity

  • Increases press uptime while maintaining functional safety


Guarding Accessories & Components

Heritage Machinery also offers a full suite of ISB accessories to support press room safety installations:

  • Mounting Brackets: Rigid and shock-resistant split-collar brackets make installation of MX light curtains more durable. More information

  • Safety Mats: Reliable fab mats to detect access in hazardous zones.

  • Palm / Softouch Buttons: Ergonomic run buttons that reduce strain and enhance operator safety. More information

  • Die Blocks: Safety-rated blocks to secure dies during setup and maintenance. More information

  • GPA Safety Valves: Self-monitoring valves for power press circuits. More information

 

Frequently Asked Questions (FAQ)

Q: What safety standard do ISB MX4000 light curtains meet?
A: They are Type 4 per IEC 61496-1/2, and certified to SIL 3 and PL e.

Q: Can the Merlin 4000 system protect press brakes with varying tooling?
A: Yes — Merlin dynamically learns each part’s profile, enabling safe windows for each job without manual reprogramming. isblite.com

Q: Is the RBPC control system compatible with air- or friction-clutch presses?
A: Absolutely — RBPC supports up to 12 PLS channels and 25 die-monitoring channels, making it ideal for mechanical presses. 

Q: Do you offer help with installation and startup?
A: Yes. ISB provides design, installation, commissioning, and safety audits to ensure your ISB safety system works reliably from Day 1.

You can download product brochures by clicking the links below

ISB Extended Range Safety Light Curtains

ISB MX 4000 Safety Light Curtains

ISB MX 4000 Series Light Curtains

Download ISB MX4000 Brochure
ISB Merlin Press Brake Guarding 480 x 621

ISB Merlin 4000 Press Brake Guarding System

Download Merlin 4000 Brochure Here
ISB MX Light Curtain Interface Box

MX LIGHT CURTAIN INTERFACE BOX

Download ISB MX Interface Brochure Here
ISB RBPC Press Control System

ISB RBPC Press Control System

Download ISB RBPC Brochure Here
ISB Fab-Mat

ISB FAB-MAT SAFETY MATS

Download ISB FAB-MAT Brochure Here
ISB Ergo Palm Buttons 1

ISB Ergonomic Palm Buttons

Download ISB Sof-Touch Brochure Here
ISB Light Curtain Swing Away Side Bracket

ISB Machine Mounting Brackets

More Information Here
ISB Die Safety Blocks 4
ISB Press Safety Valve

How Can We Help You Improve Your Operations?

Contact our team today!

Tell us what we can do to assist you in achieving your production performance goals. 

Our team are is made up of knowledgeable machinery professionals with extensive experience in the following areas.

  • All Kinds of Metal Forming
  • Coil Handling and Processing
  • Fabrication
  • Process Improvement 
  • Surface Finishing
  • Automation 
  • Tube Bending
  • Wire Forming & Spring Making
  • Thread Rolling
  • CNC Machining and Turning
  • Factory Support Operations and Equipment
  • Press Room Safety Products
  • And Much, Much More!

We are ready to help you find the solution you need to reach maximum efficiency, productivity and quality! 

Phone: 248-693-4796

Email: sales@heritagemachinery.com