Surge-Trap® Monobloc STMZT12 Series
STMZ T12 is the series of combined Type 1+2/Class I+II devices according to EN 61643-11 for use in the pre-counter area installed directly on 40 mm busbar system with coordination to terminal equipment (≤ 5m) Typ 1+2+3. Easy end fast fulfillment of VDE 0100-443/ -534. Depending on the product it can be used for TNC or TT-/TNS systems as well as for applications with or without external lighting protection systems.
STMZ T12 is the series of combined Type 1+2/Class I+II devices according to EN 61643-11 for use in the pre-counter area installed directly on 40 mm busbar system with coordination to terminal equipment (≤ 5m) Typ 1+2+3. Easy end fast fulfillment of VDE 0100-443/ -534. Depending on the product it can be used for TNC or TT-/TNS systems as well as for applications with or without external lighting protection systems.
Product data sheets
- DS-STMZT12-Series-MZ-EN
pdf - 395.13 KB
Compliance
- COM-CE-ROHS-declaration-C0002-STMZT12-Series-MZ
pdf - 61.78 KB
- COM-REACH-declaration-C0002-STMZT12-Series-MZ
pdf - 202.38 KB
Key features & benefits
40 mm busbar mountable, monobloc format
Leakage current free technology intended for pre-meter protection
Lightning impulse current (10/350μs): 7.5 kA or 12.5 kA
Nominal discharge current (8/20μs): 20kA per phase
TNS, TNC and TT networks
Un(L-N/L-L): 230/400V
Visual end of life indicators
Voltage protection level Up at In≤1,5 kV
Applications
Building
Photovoltaic and BESS
E-Mobility - EV Charging
Industry
Telecom
Water treatment
| IEC SPD Type | Class I+II |
| Format | Monobloc |
| Flammability Rating | UL94 V-0 |
| Reach Compliant | Yes |
| Max Operating Temp. | 85 °C |
| Min Operating Temp. | -40 °C |
| Degree of Protection (IP) | IP30 |
Reference Finder
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| Item number | AC or DC | Number of poles | Enclosure NEMA Type | Indication System | Product weight |
|---|---|---|---|---|---|
|
83120224 - STMZT12-7K255V-3P See product
|
- | - | - | Yes | 0.573kg |
|
83120225 - STMZT12-12K255V-3P See product
|
- | - | - | Yes | 0.575kg |
|
83120226 - STMZT12-7K255V-4PG See product
|
- | - | - | Yes | 0.65kg |
|
83120227 - STMZT12-12K255V-4PG See product
|
- | - | - | Yes | 0.649kg |