• Optic-Sensing Overfill Prevention: The ST-35 unit uses multiple optic sensors to detect overfill conditions.
• Automatic Shut-Off: It sends a signal to automatically stop product flow within half a second of detecting a potential overfill.
• Compatibility: Fully compatible with Scully’s five-wire optic sensors, IntelliCheck®, and Load Anywhere® systems.
• Self-Checking: Equipped with Dynacheck® circuitry, it ensures continuous self-testing of all system components for optimal reliability.
• Safety: Prevents loading if there is a fault or if sensors are wet, ensuring no unsafe conditions during the loading process.
• Vehicle Compatibility:
  • ST-35 models: Designed for vehicles with 1 to 8 compartments.
  • ST-35C models: For vehicles with 1 to 12 compartments.
• Ground Verification: For vehicle ground or earth verification, consult Scully for compatibility with the Groundhog Self-Proving Grounding System.

• Temperature Range: -40° to +140° F (-40° to +60° C).
• Weight: 28 lbs. (12.7 kgs.)
• Response Time: Maximum 0.5 seconds.
• Power Requirements:
  • 100–130 VAC, 50/60 Hz, 20 W max.
  • 200–250 VAC, 50/60 Hz, 20 W max.
• Approvals: FM approved for use in Class 1, Division 1, Group D hazardous locations.
• Output Relay: One normally open volt-free contact, rated 250 VAC, 5A resistive.
• Output Control Fuse: Internal 5 Ampere fuse.
• Housing: Consult Scully for optional epoxy painted housings for use in corrosive atmospheres.

CONTROL UNITS

SCULCON JUNCTION BOX & PLUG & CABLE ACCESSORIES

REPLACEMENT PARTS