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EZ-ZONE® PM Express Limit 

The EZ-ZONE PM Express panel mount limit controller from Watlow’s family of limit controls is an industry leading limit controller that allows for optimal performance utilizing simple over/under limit control and menu functionality without complex features. The EZ-ZONE PM Express limit controller is ideally suited for basic applications and usage levels.

The EZ-ZONE PM Express limit controller is the next generation of controllers leveraging the strong legacy of Watlow's SERIES 94, SERIES 945 and SERIES SD limit controllers where easy-to-use features are needed for basic applications. It includes one universal input and the option for up to two outputs and is available in 1⁄32 and 1⁄16 DIN panel mount limit controls packages.

The EZ-ZONE PM Express limit controls are a great addition to the EZ-ZONE PM family which includes two other controller versions, the EZ-ZONE PM integrated controller and the EZ-ZONE PM temperature and process controller. This family provides an ideal platform to perform many applications.


Max Limit Loops:  1
Max Monitor Channels:  1
Alarms:  1
Mounting:  1/32, 1/16 front panel
Max Output:  5A
Ambient Operating Range:  -18 to 65°C  (0 to 149°F)
Agency Approvals:  UL®, CSA, CE, RoHS, W.E.E.E., FM, NEMA 4X, IP66 front seal, SEMI F47-0200
Communication Protocols:  Standard Bus
Display Height:  0.41 in. (11 mm) to 0.84 in. (21 mm)
Warranty (years):  3
Note: The specifications in the table above are best available values in each category. Not all combinations of these values are available in a single model number.

Features & Benefits:

Features Benefits
Simplified menu
  • Fits basic applications with a user-friendly interface supported by two menus and a streamlined list of parameters
  • Eliminates user complexity often encountered when using more advanced limit controllers and their unnecessary features
  • Reduces user training costs and programming errors
Standard bus communications
  • Allows easy product configuration via PC communications protocol and free software
  • Saves time, simplifies the programming process and improves reliability of the controller setup
Factory Mutual (FM) approved over and under limit with auxiliary outputs
  • Increases user and equipment safety for over and under-temperature conditions
Agency approvals: UL® listed, CSA, CE, RoHS, W.E.E.E. FM, SEMI F47-0200
  • Ensures prompt product acceptance
  • Reduces end-product documentation costs
P3T armor sealing system
  • Complies to NEMA 4X, IP66
  • Allows controller to be cleaned and washed
  • Certified UL® 50 independent to NEMA 4X specification
Touch-safe package
  • Increases installer and operator safety
  • Complies with IP2X requirements
Consistent Termination Labeling (CTL) connection system
  • Simplifies switching between products
  • Speeds up user’s system documentation
High-amperage power control output
  • Drives 5 ampere resistive loads direct
  • Reduces component count
  • Saves panel space and simplifies wiring

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Related Literature

Specification Sheets (6)

Brochures (2)

Software and Demos (7)

User Manuals (1)

Training and Education (3)

White Papers (4)

Quality Certificates (1)

Agency Approvals (1)

CAD Drawings (12)

Retrofit Guides (1)

Catalogs (2)



EZ-ZONE PM Express Limit
EZ-ZONE PM Express Limit