POLYPHASER IS-PT50HN-B Surge Suppressor Ham Radio Antenna 900MHZ Washer

( Brand: Polyphaser ), ( Manufacturer Part Number: IS-PT50HN-B ), ( Compatible Brand: Universal ), ( Type: Connector ), ( Connector B: N Female ), ( Country Of Origin: United States )

Review POLYPHASER Corp 900mhz Surge Suppressor Ham Radio Antenna No Washer

The **Polyphaser IS-PT50HN-B 900MHz Surge Suppressor Ham Radio Antenna Washer** is a high-performance, precision-engineered component designed to safeguard sensitive radio equipment while ensuring optimal signal integrity for amateur radio operators, emergency communicators, and professional broadcasters. This robust surge suppressor washer is specifically tailored for use with 900MHz antennas, offering a robust defense against voltage spikes, lightning strikes, and transient surges that can compromise delicate radio gear. Constructed from high-grade, corrosion-resistant materials, the IS-PT50HN-B is built to withstand harsh environmental conditions, including extreme temperatures, moisture, and UV exposure, making it ideal for both indoor and outdoor installations. Its compact yet sturdy design allows for seamless integration into existing antenna systems, whether mounted on rooftops, towers, or portable setups, without compromising structural integrity or aesthetic appeal.

At the heart of this surge suppressor is Polyphaser s proprietary **Variable Impedance Surge Protection (VISP) technology**, which dynamically adjusts to transient surges while maintaining a stable 50-ohm impedance match across the 900MHz frequency range. This ensures minimal signal loss and maximum efficiency, allowing operators to transmit and receive with clarity and reliability. The washer s **dual-layer MOV (Metal Oxide Varistor) and TVS (Transient Voltage Suppressor) array** provides multi-stage protection, absorbing and dissipating excessive voltage surges before they can reach critical components like amplifiers, transceivers, or feed lines. Additionally, the **low-capacitance design** minimizes signal degradation, making it an excellent choice for high-frequency applications where every decibel counts.

Beyond its protective capabilities, the IS-PT50HN-B is engineered for ease of installation and long-term durability. Its **threaded mounting system** ensures a secure, vibration-resistant fit on antennas, coax connectors, or other RF components, while its **weatherproof gasket** prevents moisture ingress, extending the lifespan of both the washer and the connected equipment. The unit s **gold-plated contacts** guarantee excellent conductivity and resistance to oxidation, further enhancing signal performance and reliability. Whether deployed in a permanent station, a mobile setup, or a disaster recovery scenario, this surge suppressor provides peace of mind by acting as a first line of defense against electrical threats, ensuring that your radio system remains operational when it matters most. Ideal for both new installations and retrofitting existing setups, the Polyphaser IS-PT50HN-B is a testament to the brand s commitment to innovation and quality in RF protection technology.

### Pros and Cons of buying a Polyphaser IS-PT50HN-B (900 MHz Surge Suppressor Ham Radio Antenna Washer)

1. **Surge Protection** The IS-PT50HN-B is designed to protect ham radio equipment from voltage spikes and surges, which can extend the lifespan of expensive radios, amplifiers, and other sensitive gear. This is particularly valuable in areas prone to lightning strikes or power grid instability.

2. **Wide Frequency Range** It operates effectively up to **900 MHz**, making it suitable for HF, VHF, and UHF ham radio operations, including digital modes like FT8, PSK31, and SSB. This versatility ensures it can be used with a broad range of antennas and setups.

3. **Compact and Modular Design** The "washer" style allows it to be easily integrated into existing antenna systems, particularly with coaxial cables. It can be installed inline without requiring major modifications to the setup.

4. **High Current Rating** With a **50-amp rating**, it can handle substantial power levels, making it suitable for high-power transmitters and larger antenna systems.

5. **Reliable Brand Reputation** Polyphaser is a well-known manufacturer of surge protectors and RF equipment, with a track record of durability and performance in the amateur radio community.

6. **Easy Installation** Designed for straightforward installation, it can be added to an existing antenna feed line without complex wiring or additional components.

7. **Protection Against Transient Voltages** Beyond power surges, it can also protect against transient voltages caused by switching power supplies, motor-driven equipment, or other electrical noise sources.

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1. **Limited to Coaxial Applications** Since it is a "washer" style surge suppressor, it is only compatible with coaxial cables (e.g., RG-8, LMR-400, LMR-600). If your antenna system uses other types of connectors (e.g., open-wire feed lines, baluns with different interfaces), this may not be directly applicable.

2. **No Built-in Monitoring** Unlike some advanced surge protectors, this unit does not include indicators or alarms to signal when it has been triggered or is no longer protecting effectively. Users must rely on external monitoring or replace it periodically as a preventive measure.

3. **Replacement Cost** Surge suppressors, especially high-quality ones like this, can be expensive to replace if they fail. While they are designed to last, they are single-use in the sense that once they absorb a surge, they may need replacement (though many last for years without issue).

4. **Not a Standalone Solution** While effective, this should be part of a broader surge protection strategy. For maximum protection, consider combining it with a whole-house surge protector, proper grounding, and possibly a lightning arrester if operating in a high-risk area.

5. **Potential for False Triggers** In rare cases, the suppressor may trigger due to minor voltage fluctuations, leading to unnecessary replacements. However, this is uncommon with high-quality units like the IS-PT50HN-B.

6. **Limited Warranty (if applicable)** Some surge suppressors come with short warranties (e.g., 1 2 years). While Polyphaser units are generally reliable, users should confirm the warranty terms before purchase.

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The **Polyphaser IS-PT50HN-B** is a robust and effective surge suppressor for ham radio operators who need protection for their coaxial antenna systems up to 900 MHz. Its ability to handle high power, compact design, and compatibility with a wide range of radio setups make it a strong choice for those looking to safeguard their equipment from voltage spikes. However, it is not a universal solution users must ensure it fits their specific antenna setup and complement it with other protective measures (e.g., grounding, whole-house surge protection) for comprehensive defense against electrical hazards.

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- You operate a ham radio setup with coaxial cables (e.g., vertical antennas, Yagis, or dipoles fed with coax).

- You want protection against surges and transients up to 900 MHz.

- You prioritize durability and a trusted brand in RF protection.

- You are willing to integrate it as part of a layered surge protection strategy.

- Your antenna system does not use coaxial cables (e.g., open-wire feed lines).

- You need real-time monitoring of surge events (look for units with indicators or logging capabilities).

- You operate in an extremely high-risk area (e.g., frequent lightning storms) and want additional layers of protection (e.g., a lightning arrester or whole-house surge protector).

- Your budget is tight, and you can find a similarly rated but less expensive option from another manufacturer.

**Final Verdict:** For most ham radio operators using coaxial antennas, the **Polyphaser IS-PT50HN-B is a highly recommended investment** in surge protection. Pair it with proper grounding and other protective measures to ensure optimal safety for your equipment.

Details:

Comes with everything else as shown in the photos. Rest assure, customer will get exactly what is seen in the pictures. Brand new open box never used but is missing the block cloth washer.

part #: ispt50hn prices

• $24.85-$299.00

specifications coaxcabl:

• brand: Polyphaser
• mpn: Is-pt50hn-b
• compatible brand: Universal
• type: Connector
• connector b: N Female
• country of origin: United States

returns coaxcabl:

• method: Money back
• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

general coaxcabl:

• Radio Communication > Parts Accessories > Coax Cables Connectors
• condition: Open box

seller coaxcabl:

• rating: 99.8%
• # reviews: 6015
• city: Oroville, California

shipping coaxcabl:

• transit: 4-10 Days
• type: Calculated
• class: Standard
• cost: $0.00
• service: USPS Ground Advantage
• carrier: USPS

offer coaxcabl:

• started: May 1, 2026
• options: Ship-to-home
• quantity: 2
• sold: 0
• best offers: True
• availability: In Stock

payments coaxcabl:

• other
• wallet: Google-pay
• credit card: Diners-club

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