Damaged Belt Detector / Belt Rip Detector

Damaged Belt Detector / Belt Rip Detector
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Model DB

WHAT IS IT? The Model DB is a cable operated damaged belt detector that looks for punctures, tears, or protrusions through the conveyor belt and provides a means of automatic shutdown to limit the amount of damage to the conveyor belt. The output contacts of the Model DB can control up to two separate circuits, one for machinery shutdown and one for an alarm.

WHY IS IT NECESSARY? The model DB provides substantial cost savings in replacement belting and downtime associated with belt splicing or replacement.

Models Available
Model Description Shipping Weight
  Lbs. Price
US Funds
DB-100 General Purpose, 2 SP/DT Switches 11 $
DBX-100 Explosion Proof, 2 SP/DT Switches 11 $
DB-500 General Purpose, 2 DP/DT Switches 11 $
DBX-500 Explosion Proof, 2 DP/DT Switches 11 $
DBD-100 Special NEMA 4,4X & NEMA 9 Enclosure, 2 SP/DT Switches 11 $
DBD-500 Special NEMA 4,4X & NEMA 9 Enclosure, 2 DP/DT Switches 11 $
Cable assembly and mounting hardware kit included with each unit.
Epoxy coating option: add $ to price, add "E" to end of model number.
Standard unit "-100" is 4 lb.pull force.  For optional 8 lb. or 16 lb. pull force retaining ring, add $ USD to price, and change "-100" to either "-108" or "-116".
Typical cardboard shipping carton measures 11" x 9" x 8" each.

Note: Prices subject to change without notice.


Part Description Shipping Weight
  Lbs. Price
US Funds
DB-28 Cable End Fitting 0.8 oz. $
DB-29 Conduit Plug, 1" NPT 3.5 oz. $
DB-29X Conduit Plug, 1" NPT ("D" & "X" models) 3.5 oz. $
20340008 DB ball & 10 foot cable assembly with protective rubber boot 0.75 lbs. $

Note: Prices subject to change without notice.

Technical Specifications
  • The housing is cast aluminum, with optional epoxy or polyester coatings available (for additional corrosion resistance).
  • The unit should be used in pairs for best protection of the conveyor belt.
  • The unit is mounted on the conveyor by drilling (4) 13/32" diameter holes.
  • General purpose (weatherproof) units and explosion proof units have (2) 1" NPT conduit openings.
  • The standard units have (2) dry, unpowered SP/DT microswitches rated for 20A @ 120 VAC, 240 VAC, and 480 VAC.
  • The DP/DT microswitch versions are rated for 15A @ 120 VAC, 240VAC; 3/4 HP at 125 VAC, 1-1/2 HP at 250 VAC.
  • Each unit is supplied with 10 feet of cable, but can be field extended for larger conveyor belt widths.
  • Standard operating pull force is 4 lbs; with optional 8 lb. or 16 lb. units available upon request.
  • Refer to the Instrument Data Sheets for operating temperature range.
  • The general-purpose units are rated NEMA Type 4/4X weatherproof and corrosion-resistant. Explosionproof units are rated NEMA Type 7/9 for dust ignitionproof and vapor explosion proof. The dual-rated "D" units are rated NEMA Type 4 weatherproof and NEMA Type 9 dust ignitionproof.
  • The general-purpose controls are IP65 compliant.
  • Most models are UL and c-UL (Canada) listed.

Drawings (Members Only)

Data Sheets