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. Note this model is exclusively for DACH region (Germany, Austria and Switzerland).
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. Note this model is exclusively for DACH region (Germany, Austria and Switzerland).
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
|
AC | - | - | Yes | 0.573kg |
|
83120225 - STMZT12-12K255V-3P See product
|
AC | - | - | Yes | 0.575kg |
|
83120226 - STMZT12-7K255V-4PG See product
|
AC | - | - | Yes | 0.65kg |
|
83120227 - STMZT12-12K255V-4PG See product
|
AC | - | - | Yes | 0.649kg |