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75kA and 50kA - 34mm TPMOV (Thermally Protected MOV)

Approvals & Standards
ANSI/UL 1449 5th Edition, Type 1 Component Assembly SPD, File E210793
RoHS Compliant

Mersen’s TPMOV technology eliminates common failure modes that occur in the field with standard metal oxide varistors. Internally each unit is comprised of a voltage clamping device and a disconnecting apparatus that monitors the status of the metal oxide disk, making the TPMOV surge suppression component a fail-safe device. In the event of an overvoltage breakdown, the metal oxide disc is securely disconnected from the system power by an arc shield. Upon failure, the TPMOV surge suppression component is also equipped with a visual pin indicator as well as a normally open micro-switch, providing remote indication if applicable.

TPMOV7 series surge suppression component: 50% more surge capacity, in the same footprint The TPMOV7 series is rated for 75kA - 8/20μs peak surge current and is available for maximum continuous operating voltages (MCOV) from 150V to 320VAC.

Mersen’s TPMOV technology eliminates common failure modes that occur in the field with standard metal oxide varistors. Internally each unit is comprised of a voltage clamping device and a disconnecting apparatus that monitors the status of the metal oxide disk, making the TPMOV surge suppression component a fail-safe device. In the event of an overvoltage breakdown, the metal oxide disc is securely disconnected from the system power by an arc shield. Upon failure, the TPMOV surge suppression component is also equipped with a visual pin indicator as well as a normally open micro-switch, providing remote indication if applicable.

TPMOV7 series surge suppression component: 50% more surge capacity, in the same footprint The TPMOV7 series is rated for 75kA - 8/20μs peak surge current and is available for maximum continuous operating voltages (MCOV) from 150V to 320VAC.

Key features & benefits

  • Industry-leading TPMOV technology available in 50kA and 75kA surge capacities

  • Consistent footprint with 25–40mm MOVs

  • Built-in visual/remote indication optional

  • No additional overcurrent protective device (fuses) required

Technical Specifications

Frequency (Hz) 50/60 Hz
UL SPD Type Type 1 Component Assembly
UL Category Code VZCA2
Reach Compliant Yes
Max Operating Temp. 85 °C

Reference Finder

Item number AC or DC Number of poles Enclosure NEMA Type Indication System Product weight
270TPMOVS-HV See product
- - - Yes 0.0544kg
270TPMOVSL See product
- - - Yes 0.0544kg
270TPMOVSL-HV See product
- - - Yes 0.0544kg
270TPMOVSLT See product
- - - Yes 0.0544kg
270TPMOVST See product
- - - Yes 0.0544kg
270TPMOVTS See product
- - - Yes 0.0544kg
320TPMOV See product
- - - Yes 0.0544kg
320TPMOV-HV See product
- - - Yes 0.0544kg
320TPMOV7SL See product
- - - Yes 0.0544kg
320TPMOVS See product
- - - Yes 0.0544kg
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