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A surge protective device is designed to protect electrical equipment or installations from voltage spikes by blocking unwanted voltages above a safe threshold. Typical applications include AC power distribution, drive line filtering, and control panel protection.
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Surge Protective Devices
Mersen STXR Series Surge-Trap® Surge Protective Devices
DEHN Modular DIN-Rail Surge Protectors
Mersen compact enclosed surge protectors protect inside or outside power or equipment panels with TPMOV technology that make them some of the safest products available.
DEHN surge protectors are modular DIN-rail mounted SPDs that set new standards for safety and user-friendliness. These SPDs are UL 1449 4th Edition certified, are designed for all common electrical power system configurations, and are ideal for use in United States and Canadian electrical panel applications.
Mersen STXR Series Surge-Trap® Surge Protective Devices for Power Applications
Surge-Trap® Type 1 STXR series devices meet requirements for UL1449 Fourth Edition and are ideal for the replacement of obsolete surge arrestors. The TPMOV® technology inside the STXR Series provide the highest level of safe operation.
Features:
- Available in 120 VAC to 600 VAC ratings
- Compact design and line or load installation flexibility
- NEMA 4X enclosure for outdoor or indoor use
- For use in ANSI/UL Type 1 or 2 SPD installations
- 5-year warranty
DEHN Red/Line Modular DIN-Rail Surge Protectors for Power Applications
DEHNguard surge protectors provide reliable surge protection for a high degree of equipment safety. Dehn DG-MU series modular DIN-rail mount devices are suitable for common electrical power system configurations up to 550VAC; replacement protection modules are available.
- Prewired complete unit
- No additional overcurrent protection devices needed
UL Type 4 Surge Protectors for Power and Control Applications
The compact DEHNrail UL1449 Type 4 supplemental surge protection devices for power and controls applications offer modularity and high performance. DG-M-2P series surge arresters provide protection up to 230 VAC, ideal for equipment in industrial environments; replacement protection modules are available.
- Two-pole surge arrester consisting of a base part and a plug-in protection module
- High discharge capacity due to heavy-duty zinc oxide varistor/spark gap combination
- Narrow (modular) design according to DIN 43880
DEHN Yellow/Line Data and Signal Protection for Hazardous Areas
DEHNpipe DPI series surge arresters for field devices are made of corrosion-resistant stainless steel and connect directly to the device terminals. These units are ideally suited for installation in process environments.
- Parallel-connection models offer SPD class Type 2 protection, for potentially explosive atmospheres or Class 1 Div 2 environments per CSA only.
- IP67 protection
- Arrester for protecting a second interface (data or power side) available
DEHN Yellow/Line Surge Protectors for Ethernet Protection
DEHNpatch DPA series surge arresters are ideal for Ethernet, Industrial Ethernet, and Power over Ethernet devices, as well as general applications in structured cabling up to the Gbit range. Available are a space-saving DIN-rail mounted model; a NEMA 4/4X-rated unit can be pole or wall-mounted.
- Cat. 6 according to ISO / IEC 11801
- CAT 6A in the channel according to ANSI / TIA / EIA-568
- Power over Ethernet IEEE 802.3 compliant (up to PoE++ / 4PPoE)
- IP66 model for outdoor applications
Replacement Modules and Accessories for Surge Protective Devices
Replacement modules and accessories for surge protection devices include replacement protection modules.
All protection modules are mechanically coded to ensure against installing an incorrect module. The protection modules can be easily replaced without tools by simply pressing the user-friendly module release button.
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