Dispenser Hook Isolation

Design Highlights/Advantages

• Optically isolated inputs from up to eight dispensers.
• LED’s indicate when source power is applied and dispenser hook signals are present.
• Can be supplied factory wired in tandem with the FE Petro Smart Controller or our standard control box.
• Compatible with any submersible pump controller.
• Fuse protected output to submersible pump controller.
• Retrofit to any existing site.

Benefits:
• Prevents damage to dispenser relay boards caused by cross-phasing.
• Prevents electrical feedback between dispenser hook circuits during periods of maintenance and service as required by NEC 514-6, 1999, and other international codes.
• Aids in troubleshooting dispenser hook circuits because signals are isolated
• Eliminated false STP run due to voltage leakage of multiple dispensers connected in parallel
• Small size
• Low cost

Specifications

• Enclosure size: 8.5”h x 5”w x 3”d (215mm x 127mm x 76mm)
• Eight optically isolated inputs from dispenser
• One STP-DHI required per product grade for up to eight dispensers
• STP-DHI: (1) 120V 30VA input from supply. (8) 120V 10mA inputs from dispensers
• Output fuse rating: 250V 1A, fast acting
• 300 Volt surge protection
• Maximum ambient temperature rating: 120°F Approvals
• UL and cUL Listed Quality certification
• Franklin Fueling Systems is an ISO 9001 certified Manufacturer

Ordering Information

Notes:
1. DHI models are compatible with FE Petro submersible pump controllers and competitive pump controller makes accepting a 120 Volt Dispenser Hook Signal.
2. DHI models can be connected together for products with more than eight dispenser handle inputs.

Note:
*When purchasing STP-SCI or STP-DHI-SCI in equal quantities of Fixed Speed 4 inch STPs, the STP-SCI or STPDHI- SCI will be invoiced at special discount pricing.

Repair Parts/Accessories

Configurations

Available Configurations