Overview
The Square D 9007-B52F limit switch is a compact, plug-in Class 9007 industrial snap-action switch designed for position sensing and control in manufacturing and process automation. Built to handle harsh industrial environments, this switch features a 10-ampere rating with 1 normally open (NO) and 1 normally closed (NC) contact configuration, making it suitable for relay logic and control circuit applications across conveyance lines, machinery automation, and industrial equipment protection.
Key Features
- Class 9007 compact design with plug-in terminal block mounting
- Dual contact configuration: 1 NO + 1 NC for flexible control logic
- 10-ampere electrical rating for standard industrial circuits
- Snap-action mechanism ensures rapid, positive contact transitions
- Proven Square D/Schneider Electric reliability and industrial-grade construction
- Suitable for commercial, conveyance, and industrial applications
Technical Specifications
- Manufacturer: Square D (Schneider Electric)
- Model/Part Number: 9007-B52F Series A
- Switch Classification: Class 9007 Compact Limit Switch, Type B, Plug-In
- Contact Configuration: 1 NO + 1 NC (1 normally open, 1 normally closed)
- Electrical Rating: 10 amperes at 120/240 VAC
- Maximum Voltage: 600 VAC
- Operating Mechanism: Snap-action with spring return
- Pre-travel: 2–3.5 mm (varies by model variant)
- Mounting Style: Compact base plate (standard mounting)
- Terminals: Plug-in terminal block (field replaceable)
- Operating Temperature Range: Industrial standard (consult datasheet for exact limits)
- Contact Material: Silver alloy (standard for Class 9007)
Typical Applications
- Conveyor and material handling position detection
- Machine tool limit and emergency stop circuits
- Automated door and gate position sensing
- Guard and safety interlock verification
- Packaging and assembly line process control
- Pump and motor protection circuits
- Heavy machinery position monitoring
Compatibility & Replacements
Compatible With
- Square D Class 9007 control systems and base plates
- Industrial relay logic controllers and motor control centers (MCCs)
- Programmable logic controllers (PLCs) with standard AC input modules
- NEMA Type 2, 4, and 13 enclosures
- Standard 24–600 VAC control circuits
- Commercial and industrial automation equipment
Replaces / Drop-In Replacement For
- Square D 9007-B51F (non-plug-in variant with similar contact configuration)
- Square D 9007-B52D, 9007-B52E (same B52 series, different activation specifications)
- Other Class 9007 Type B compact switches with 1NO/1NC contacts
Works With
- Square D Class 9007 mounting bases and terminal blocks
- Standard industrial control relays and contactor circuits
- Snap-action limit switch operating sequences (Schneider Electric technical documentation)
- Interchangeable with other square D 9007 series switches on compatible base plates
- Plug-in design allows field replacement without rewiring














