Surge-Trap® Modular SPD
The Surge-Trap® Modular SPD is part of the Mersen (formerly Ferraz Shawmut) surge protection line, distributed by Gross Automation.

Surge-Trap® Surge Protective Device is a no-fuse surge suppressor. The Surge-Trap is a UL 1449 Third Edition compliant surge protective device with a modular thermally protected transient voltage surge suppressor. It is DIN-rail mountable featuring a fail-safe self-protected design, visual indicator and a small foot print. A remote indicator option provides status to critical control circuit. The Surge-Trap provides an interrupting rating and a Thermally Protected MOV without additional protection devices.
Specifications
| Specification | Value |
|---|---|
| Features | Easy installation or retrofit; Din-rail mountable; Fail-safe /self-protected design; Remote indicator (optional) with 3 pin NO/NC contact; IP20 finger-safe design; Visual indicator; Small foot print |
Features
- Easy installation or retrofit
- Din-rail mountable
- Fail-safe /self-protected design
- Remote indicator (optional) with 3 pin NO/NC contact
- IP20 finger-safe design
- Visual indicator
- Small foot print
Ratings
- AC:100kA SCCR
- 50kA 8/20 µs surge capacity (per mode)
- 100kA 8/20 µs surge capacity (per phase)
- Surge life @ 3kA-8/20 µs: 5000 events
- Surge life @ 10kA-8/20 µs: 1000 events
- Operating and storage temperature: -40oC to +85oC
- Wiring range: #6 to #14 AWG
- UL 1449 Third Edition, File No E210793
- Type 4 UL Recognized Component (tested to SPD Type 2)
- IEC 61643-1
- ANSI/IEEE C62.41
- CE
- RoHS compliant
- AC/DC distribution
- Power supplies
- Industrial automation
- Telecommunications
- Motor controls and starter systems
- Programmable logic controller (PLC) applications
- Power transfer equipment
- HVAC applications
- AC drives
- UPS systems
- Security systems
- IT / Data centers
- Medical equipment
Catalog Numbers
| Catalog Number | Column 2 |
|---|---|
| ST1201PG+ | ST2771PG+ |
| ST1201PGM+ | ST2771PGM+ |
| ST2083PY+ | ST4803PD+ |
| ST2083PYG+ | ST4803PDG+ |
| ST2083PYGM+ | ST4803PDGM+ |
| ST2083PYM+ | ST4803PDM+ |
| ST208SPG+ | ST4803PY+ |
| ST208SPGM+ | ST4803PYG+ |
| ST2301PG+ | ST4803PYGM+ |
| ST2301PGM+ | ST4803PYM+ |
| ST2403PD+ | ST480SPG+ |
| ST2403PDG+ | ST480SPGM+ |
| ST2403PDGM+ | ST6003PY+ |
| ST2403PDM+ | ST6003PYG+ |
| ST240SPG+ | ST6003PYGM+ |
| ST240SPGM+ | ST6003PYM+ |