Power Line Filter For Shielded Room

General Single stage Single Three phase Power Line Filter 31A Serie

Power Line Filter For Shielded Room

Shielded Room, EMI Filter, EMC, Single Filter

Technical Data:

Rated Voltage: 250/440VAC
Rated Current: 16-2500A
Rated Frequency: 50/60Hz
Test Voltage: 1000VDC/2s
Climatic Category: 25/070/21

Product Description

Our power line filter for shielded rooms is expertly engineered to deliver a stable and reliable power supply while minimizing electromagnetic interference (EMI) in sensitive environments. By effectively suppressing noise and disturbances, it ensures optimal performance in shielded rooms and other critical areas where electromagnetic compatibility (EMC) is paramount. This filter safeguards the integrity of sensitive equipment and supports precise testing and seamless operation within shielded facilities.

Typical Applications

Anechoic chamber
Shielded room
Electronic shelter
Shielded cabinet

Product Features

Ultra-High EMI Suppression: In the range of 14kHz – 40GHz, insertion loss > 100dB.
Integrated design for ultra-high current, with a maximum current capacity of up to 2500A.
Certain products feature a stainless-steel metal shell, offering an aesthetically pleasing appearance, high mechanical strength, and excellent corrosion resistance.
Compliance with EMC Standards: Meets international and industry standards such as CISPR 16/25, IEC 61000-4-3, and MIL-STD-461, ensuring reliable test results and compliance.

Technical Data

Rated Voltage (Single phase)	250VAC	Single-phase
Rated Voltage (3-phase)	250/440VAC	Three-phase
Rated Current	see characteristics	referred to +40℃ ambient temperature
Rated Frequency	50/60Hz
Shielding Efficiency	>100dB	Single-stage filter: 150kHz – 18GHz Three-stage filter： 14KHz-18GHz
Test Voltage	1000Vdc/2s	line-line
Test Voltage	1000Vdc/2s	line-case
Voltage Drop/PhaseΔV	<1%	of VR at 50Hz and IR
Climatic Category	25/070/21

Discharging Resistance Integrated

A discharge resistor is integrated into the filter to safely dissipate stored capacitance after power is turned off.

Standard single-stage filter (Up to 40GHz)

Type	Rated Current (A)	I Leakage (A)	Dimension	Shielding Efficiency
GPF231A-16	2×16	0.2	Fig 1	100dB, 150K-18GHz
GPF231A-32	2×32
GPF231A-63	2×63
GPF231A-100	2×100	0.5
GPF431A-16	4×16	0.2	Fig 2
GPF431A-32	4×32
GPF431A-63	4×63
GPF431A-100	4×100	0.5
GPF431A-200	4×200	0.5
GPF431A-250	4×250	0.5

High-performance Three-stage filter (Up to 40GHz)

Type	Rated Current (A)	I Leakage (A)	Dimension	Shielding Efficiency
GPF205C-5	2×5	0.1	Fig 6
GPF231C-16	2×16	0.5	Fig 1	100dB, 14K-40GHz
GPF231C-32	2×32
GPF231C-50	2×50
GPF231C-63	2×63
GPF231C-100	2×100	1
GPF231C-200	2×200	1
GPF431C-16	4×16	0.5	Fig 2
GPF431C-32	4×32
GPF431C-50	4×50
GPF431C-63	4×63
GPF431C-100	4×100	1
GPF431C-200	4×200
GPF431C-250	4×250
GPF431C-300	4×300	1	Fig 3
GPF431C-400	4×400		Fig 4
GPF431C-600	4×600		Fig 4
GPF431C-800	4×800		Fig 5
GPF431C-1000	4×1000		Fig 5

Circuit Diagrams

Standard single-stage filter

High-performance Three-stage filter

Outline Drawing (mm)

Type	A	B	C	D	E	F	G	H	I	J	K	Dim.
GPF231A-16	400	160	100	430	415	100	35	M24	M6	/	/	Fig 1
GPF231A-32
GPF231A-63
GPF231A-100	450	160	140	480	465	100	50	M45	M8	/	/
GPF205C-6	200	80	40	/	/	/	22	M16	/	/	/	Fig 6
GPF231C-16	550	160	100	580	565	100	35	M24	M6	/	/	Fig 1
GPF231C-32
GPF231C-50	650	160	120	680	665	100	50	M33	M6	/	/
GPF231C-63
GPF231C-100	800	180	140	830	815	120	50	M45	M8	/	/
GPF231C-200									M12	/	/
GPF431A-16	400	250	100	430	415	100	50	M33	M6	/	/	Fig 2
GPF431A-32
GPF431A-63
GPF431A-100	600	250	140	630	615	100	60	M45	M8	/	/
GPF431A-200								M60	M12
GPF431C-16	650	250	120	680	665	100	50	M33	M6	/	/
GPF431C-32
GPF431C-50
GPF431C-63
GPF431C-100	800	250	140	830	815	100	50	M45	M8	/	/
GPF431C-200							60	M60	M12	/	/
GPF431C-250
GPF431C-300	930	400	200	960	945	170	60	M45	M12	4*25	100	Fig 3
GPF431C-400	965	400	200	995	980	170	60	M45	3*80	6*25	100	Fig 4
GPF431C-600										8*25
GPF431C-800	965	450	230	995	980	185	60	M60	3*125	8*40	106	Fig 5
GPF431C-1000

Note: For currents exceeding 250A, the input and output terminals are equipped with copper bus bars.

Insertion Loss

Frequency of 150kHz-40GHz, insertion loss over 100dB.

Single-stage power line filter

Frequency of 14kHz-40GHz, insertion loss over 100dB.

Three-stage power line filter

Factory and Production Line

Why choose us?

10+ years experience

With 10+ years experience in manufacturing power line filters, we bring deep industry knowledge to every product we create.

Wide Client Base

We are trusted by 1,000+ long-term customers, showcasing our ability to consistently meet and exceed client expectations.

Proven Quality

10,000+ positive feedbacks from satisfied clients attest to the quality and reliability of our products.

Customized Solutions

We offer tailored services to meet the specific needs of our customers, ensuring that every solution is perfect for your requirements.

Competitive Advantage

We prioritize innovation, offering products with excellent performance at a competitive price, ensuring the best value for your investment.

FAQs

How to choose the appropriate product model?

Do you provide customization services?

Yes, we can provide customization services according to your requirements.

Are there samples available for viewing or testing?

Yes, we offer sample services for testing. （What is the minimum order quantity for the product? Usually, we support a minimum order quantity of one. ）

What material is the product made of?

Typically, our products are made of stainless steel, nickel-plated carbon steel, aluminum, or other specified materials. Additionally, we can accommodate special material requests.

What are the specifications and dimensions of the product?

Generally, we provide specific product dimension information on the product page. However, if you require custom dimensions, please contact us.

Do you offer global shipping?

Yes, we provide global shipping. With convenient international freight services, we can deliver goods to wherever you need.

How long does it take to ship after order confirmation?

Typically, for small batch orders, we ship within 1-3 weeks upon receiving the prepayment.

How can I place an order?

Feel free to reach out to us by submitting an inquiry form or visiting our “Contact Us” page,and we will respond to you within 24 hours.

Which payment methods do you accept?

We accept various payment methods including T/T, letter of credit, and PayPal.

Are there wholesale prices or discounts available?

We offer tiered pricing, with more favorable prices for bulk orders.

How long does shipping take?

Shipping times vary depending on the method chosen, but generally, goods are delivered within 7-30 days after dispatch.

What shipping methods are available?

We offer various shipping methods including by sea, air, truck, and railway.

How do you handle product quality issues?

For any product quality issues, we will respond within 24 hours and provide effective solutions.

Do you provide after-sales service?

Yes, we offer a comprehensive after-sales service, including a 2-year warranty on our products. You can rest assured after purchasing from us.

Do you have a technical support team?

Yes, we have a professional technical team and our own EMC laboratory.

Do you provide opportunities for distributor or reseller partnerships?

Yes, but we will review your qualifications to determine if you can become our distributor.

Do you accept OEM or ODM orders?

Yes, we accept OEM or ODM orders.

Contact us to get your quote!

Product Category

Contact Us

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Single/Three-phase, 16-800A, 250/440VAC, DC/50/60Hz

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400/800Hz EMI Filter For Anechoic Chamber

Single/Three-phase, 16-200A, 115/200VAC, 400/800Hz

4-wires Humiture Signal Filter

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