The TRANS-TRAP, manufactured by Tesco Controls, Inc., is a 12-stage (6 line side and 6 load side) surge arrestor for analog signal loop applications requiring maximum lightning and transient power surge protection. A unique 6 stage-per-conductor circuit traps and diverts the majority of transients allowing self-restoration of the process signal. In the event of extremely high transients, replaceable components disrupt and isolate damaging surges from critical control components, thus maintaining the integrity of the control system. Independently reacting line-to-ground discharge components and series dampening circuits are configured to provide these unique 6 stages of protection:
- Triple spark gap dissipater provides high transient line-line and line-ground current diversion.
- Dual input current limiting fast blow fusing provides input circuitry protection.
- Primary stage trap coil provides transient surge dampening.
- Surge limiting provides line-ground current diversion.
- Secondary stage series control element provides in-line surge dampening.
- Final stage energy absorption and voltage clamp.
Applications
- Instrument signals in control panels.
- Data Communication
Benefits
- Improves system reliability
- Controls repair costs due to transients
- Protects critical components
- Cost effective protection
Standard Features
- Less than 5 nanosecond response time
- Low insertion loss
- 500 Joules energy handling capability
- Class AAA:
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- Full 12 stage, 1000 joule lightning protection at each AI/AO
- Fuses
- MOVs
- TVS diodes
- Dual spark gaps
- Inductors
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Specifications
Class 72699 Model TT-12 Operating Voltage 24V, 50V, 100V, 150V Operating Current 0- 100mA Impedance < 1 Ohm Temperature Range 0 to 200 degrees F Interface 2-wire analog current or voltage signal -