B32K275-varistor
EPCOS Metal oxide varistor B32K275
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EPCOS Metal oxide varistor B32K275
Home / Circuit Protection / EPCOS / B32K275 Need EPCOS B32K275? Metal oxide varistor for Overvoltage and surge protection. Supplied with full traceability and …
Specifications
| Brand | EPCOS (TDK Electronics) |
|---|---|
| Model Number | B32K275 |
| Official Product Name | SIOV metal oxide varistor, HighE series (B72232B) |
| Applicable System | Overvoltage and surge protection |
| Product Type | Metal oxide varistor (MOV) |
| Equivalent Standard | IEC 61051 / UL 1449 (per EPCOS) |
| Product Status | Commercialized (Active) |
| Maximum DC voltage | 350 V |
| Varistor voltage (typical) | 430 V (min 387 V, max 473 V) |
| Surge current | 25 kA |
| Energy rating | 360 J |
| Capacitance | 2000 pF at 1 kHz |
| Mounting | Chassis mount, encased disc |
| Operating temperature | minus 40 to plus 85 degrees C |
| Climatic category | 40/85/56 |
| Response time | less than 25 ns |
| Base part number | B72232B0271K001 |
| Maximum AC voltage | 275 V |
Product Description
It clamps transient overvoltages and absorbs large surge energy to safeguard sensitive electronics. Housed in a flame-retardant encased disc with screw terminals, it mounts directly to a chassis for reliable, low-inductance connection. The EPCOS B32K275 is a HighE series heavy-duty metal oxide varistor (MOV) from TDK Electronics used for overvoltage and surge protection in industrial and commercial equipment.
Basic Product Information
- Wide operating voltage range (275 V AC / 350 V DC)
- Encased disc with screw terminals for chassis mounting
- Flame-retardant UL 94 V-0 housing
- High surge-current capability up to 25 kA
Technical Specifications
Version & Model Difference
- ['B32K275 = 32 mm disk, 275 V AC HighE series varistor', 'B40K, B60K and B80K cover larger disk sizes and currents', 'Lead-free, RoHS-compliant; UL and CSA approved']
Application Scenarios
- Industrial power distribution and control panels
- PLC, inverter and industrial computer protection
- Photovoltaic inverters and energy storage systems
- It is an encased disc with M4 or M5 screw terminals intended for chassis mounting.
Frequently Asked Questions
What does the B32K275 protect against?
It is a metal oxide varistor that clamps transient overvoltages and absorbs surge energy up to 25 kA to protect downstream electronics.
What are its voltage ratings?
It is rated 275 V AC maximum and 350 V DC, with a typical varistor voltage of 430 V (387 to 473 V range).
How is it mounted?
It is an encased disc with M4 or M5 screw terminals intended for chassis mounting.
What is the energy absorption rating?
The B32K275 can absorb up to 360 J of surge energy with a 25 kA peak surge current capability.
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