Overview
The Norgren CS7-04 / 720-000-004 reed switch sensor is a magnetically operated, non-contact switching device engineered for pneumatic cylinder position sensing and industrial automation control. This reed switch delivers consistent, reliable switching performance across a broad voltage range, making it ideal for factory automation, hydraulic/pneumatic systems, and machinery requiring precise piston position feedback.
Key Features
- Non-contact magnetic sensing eliminates mechanical wear and extends service life
- Normally Open (NO) reed switch configuration for standard control logic
- Broad operating voltage range: 5-240 VAC/VDC supports diverse industrial power systems
- 12-inch cable lead for direct integration into automation cabinets and PLCs
- Adjustable mounting bracket allows flexible positioning along cylinder rod travel
- Compact, rugged design suitable for machine shop and factory floor environments
Technical Specifications
- Part Number: CS7-04 / 720-000-004
- Switching Voltage: 5-240 VAC/VDC
- Maximum Switching Current: 1 AMP
- Switching Power Capacity: 30 VA
- Contact Type: Reed Switch, Normally Open (SPST)
- Cable Length: 12 inches
- Weight: 0.27 lbs
- Mounting: Tie-rod bracket (included)
- Application: NFPA pneumatic cylinders 2"–12" bore
- Manufacturer Status: Discontinued
Typical Applications
The Norgren CS7-04 is commonly used in:
- NFPA pneumatic cylinder position sensing (2–12 inch bore cylinders)
- Automated assembly line control and sequencing
- Piston stroke detection for hydraulic and pneumatic actuators
- Machine tool indexing and positioning feedback
- Industrial press and stamping equipment control
- PLC and discrete control system inputs
Compatibility & Replacements
Compatible With
- NFPA pneumatic cylinders (2"–12" bore)
- Industrial PLC systems and discrete control relays
- 24 VDC and 120 VAC industrial control circuits
- Machine automation and sequencing controllers
- Standard industrial relay logic panels
Replaces / Drop-In Replacement For
- Direct replacement for Norgren CS7-04 systems
- Compatible with EXCELON CS7-04 variants
- Verify specific cylinder bore and mounting interface with original equipment OEM documentation before ordering
Works With
- Pneumatic and hydraulic cylinder magnet assemblies
- Standard industrial relay networks and control logic
- PLC analog/digital input modules accepting 5-240V switching signals
- NFPA-series actuator control systems












