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Mersen Surge Protector Type 1+2 SPD 4 Pole 277/480 Volt 20KA TNS
MPN: 83120146
Alt. SKU: STPT12-12K320V-4P
This product is discontinued. Please view this replacement item.
Why Choose the Surge Protection Device Type 1+2 STPT12-12K320V-4P?
Engineered for robust protection, this Type 1+2 SPD offers a high 12.5kA (10/350µs) impulse current per pole, ensuring reliable safeguarding against transient overvoltages in 277/480V 3-phase+N TNS systems. Its four-pole, pluggable design guarantees easy installation and swift module replacement, minimising downtime in critical applications.
This compact, 4-module unit supports full compliance with industrial surge protection standards, providing essential peace of mind for power distribution panels and industrial switchgear. Ideal for demanding environments where comprehensive protection and service continuity are vital.
Product Code: 83120146
Key Benefits
- High impulse current capacity of 12.5kA per pole for superior surge protection.
- Pluggable 4-pole design allows for quick and easy module replacement.
- Compact 4-module size saves space in power distribution panels.
- Clear visual indication system ensures easy status monitoring.
- Compliance with Class I+II IEC SPD standards for reliable performance.
- Suitable for 277/480V 3-phase+N TNS systems, ideal for industrial applications.
Compatibility
This Surge Protection Device is compatible with 277/480V AC 3-phase+N TNS electrical systems. It is designed for installation on DIN rails and fits standard industrial power distribution panels and switchgear setups requiring Class I+II surge protection.
Applications
- Industrial power distribution panels
- Commercial and industrial switchgear
- Protection of sensitive electrical equipment from transient overvoltages
- Facilities requiring high reliability and minimal downtime
- Systems with 3-phase+N TNS configuration
Technical Specifications
- Item number: 83120146
- Catalogue No: STPT12-12K320V-4P
- Description: Surge Protection Device Type 1+2, 12.5kA Iimp (10/350), 3Ph+N, 277/480V, 4+0 TNS, 4 Poles, Pluggable, 4 Modules
- EAN/UPC Code: 8435297851608
- RoHS Compliant: Yes
- IEC SPD Type: Class I+II
- Format: Pluggable
- Nominal Operating Volt Rating (Un): 277/480
- AC or DC: AC
- Max Discharge Current : Imax (8/20): 50 kA
- Protection Modes: L-PE / N-PE
- System Configuration: TNS
- Lightning Impulse Current (10/350) (LIMP): 12.5 kA
- Short Circuit Withstand (ISCCR): 25 kA
- Indication System: Yes
- Indication System Type: Green (OK) / Not green (replace)
- Number of Poles: 4-Pole
- Torque Rating: 3 Nm
- Housing Material: PA66 CT1
- MOV Response Time: ≤25
- Installation Mounting: DIN rail
- Replacement Plug N-PE: 83120003
- Replacement Plug L-N: 83120003
- Product Width: 72 mm
- Product Length: 76 mm
- Product Height: 90 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.699 kg
- Sell Pack Width: 78 mm
- Sell Pack Length: 117 mm
- Sell Pack Height: 90 mm
- Product group: Power Line SPDs
- Product Weight: 0.655 kg
Frequently Asked Questions
What type of electrical systems is this SPD suitable for?
This device is designed for 277/480V AC 3-phase+N TNS systems, commonly used in industrial and commercial power distribution.
How does the indication system work?
The SPD features a green indicator showing normal operation. If the indicator is not green, it signals that the module requires replacement.
Can the modules be replaced without shutting down the system?
Yes, the pluggable design allows for quick module replacement with minimal downtime, improving maintenance efficiency.
Is this product RoHS compliant?
Yes, the device complies with RoHS standards, ensuring it meets environmental and safety regulations.
Common Search Terms
surge protection device, SPD Type 1+2, 12.5kA surge protector, 4-pole SPD, pluggable surge protector, industrial surge protection, 277/480V SPD, TNS system surge protector, power line SPD, DIN rail SPD
| Manufacturer Part Number | 83120146 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8435297851608 |
| Height | 76mm |
| Width | 72mm |
| Depth | 90mm |
| HS Code | 85363090 |
| Country of Manufacture | Spain |
| Manufacturer | Mersen |
| Number of Poles | 4 Pole |
| Voltage | 277/480V |
| Maximum Continuous Voltage | 320V |
| Nominal Discharge Current | 20Ka |
| System Type | TNS |
| Alternative Product SKU | STPT12-12K320V-4P |
Write Your Own Review
Protection system of coordinated stages: Type 1, 2 and 3 SPDs
The SPDs of a surge protection system must be able to withstand the discharged current and provide a Ures level (residua l voltage) lower than the Ue peak voltage that the equipment can withstand. Most of the times it is not possible to achieve this with just one SPD, especially because the intensity of the surge is not known, and because of the induction of overvoltages when conductors exceed 10m.
The optimal system of protection is the 3-STEP approach, in which successive stages are combined in the performance of high discharge capacity devices and devices with an optimal voltage protection level (low). This is addressed by the definition of "Types" or "Classes" of SPDs according to the type of transient pulses to which each protected zone in the installation is subject to.
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