1. PRODUCT OVERVIEWFRZW20 is an improved product of ordinary
pole-mounted vacuum circuit breakers. It adopts a mature box-type
sealing structure with excellent sealing performance, making it
unaffected by external environmental factors. It is a
maintenance-free product. Its spring operating mechanism uses
direct chain main drive and multi-level trip system, ensuring high
reliability of operation. It is a high-end product among
pole-mounted circuit breakers. In addition to its superior sealing
performance compared to ordinary vacuum circuit breakers, FRZW20
also features overcurrent protection, trip counting, mechanism
spring energy storage indication, and is equipped with an aviation
socket for secondary electrical connection, facilitating
integration with intelligent controllers and other
functions.2. PRODUCT FEATURE2.1 Ideal equipment for urban and
rural power grid transformation: Can be paired with a controller to
achieve remote control, remote measurement, remote signaling, and
remote adjustment functions;2.2 Flexible and convenient operation:
This product is equipped with electric energy storage, electric
switching, as well as manual energy storage and manual switching,
and can be operated remotely at close or long distances;2.3
Superior breaking performance: Breaking short-circuit current of
20KA up to 30 times;2.4 Low operating power and high reliability:
The newly designed small electric spring mechanism reduces the
number of components and operating power (approximately 30W) to the
lowest level;2.5 Maintenance-free characteristics: The main
circuit, secondary components, and operating mechanism of the
circuit breaker are all sealed in a few gases (zero gauge
pressure), unaffected by external environmental factors;2.6
Reliable sealing performance: Adopt mature sealing structure
technology with reliable sealing performance;2.7 Unique
incoming and outgoing line method: Using silicone rubber sleeves to
ensure sufficient insulation distance between terminal connections
and excellent external insulation characteristics;2.8 Safe to
use: An explosion-proof device is installed on the top of the
enclosure, even in the event of an internal malfunction, there will
be no leakage of high-temperature gas or splashing materials.3.
PARAMETERS3.1 Main Technical SpecificationsNo.ITEMUNITVALUE01Rated
voltageXV1202Rated frequencyHz5003Rated currentA630, 100004Rated
short-circuit breaking currentKA12. 5,16,20,2505Rated peak
withstand current (peak)kA31. 5,40,50,6306Rated short-time
withstand current (43)kA12. 5,16,20,2507Rated short-circuit closing
current (peak)kA31. 5,40,50,6308Mechanical lifetimes1000009Rated
current breaking timestimes1000010Rated short-circuit breaking
current breaking timestimes3011Power frequency withstand voltage
(110111); phase-to-phase, phase-to-ground/breakKV42/4912Lightning
impulse withstand voltage (peak); phase-to-phase,
phase-to-ground/breakkV75/8513Secondary circuit 101111 power
frequency withstand voltageXV214Net weightKG1403.2 Mechanical
characteristic parametersNo.ITEMUNITVALUE01Contact opening
distancemm9+1-0.502Contact overtravelmm3+1-0.503Breaking speedm/s1.
2±0. 204Closing speedm/s0. 6±0. 205Contact bounce time during
closingms≤206Phase-to-phase distancemm135±1. 507External live air
insulation distancemm240±208External creepage distancecm/kV3.
809Different periods of three-phase breakingms≤210Conductive
circuit resistance of each phaseμΩ≤15011Closing timems≤4512Breaking
timems≤4513Rated power of energy storage motorW≯4014Rated voltage
of energy storage motorVAC22015Rated closing operation
voltageVAC22016Highest/lowest closing operation
voltageVAC264/14317Rated breaking operation
voltageVAC22018Highest/lowest breaking operation
voltageVAC264/14319Highest/lowest motor voltageVAC242/18720Rated
pressure of SF6 gas (gauge pressure)MPa04. LEAD TIME:The delivery
time is usually determined by the type and quantity of the product,
typically ranging from 15 to 20 days.5. WHY CHOOSE US?1),
Innovation StrengthFenarro has a professional research and
development team consisting of over 30 technical engineers. The
production design incorporates advanced international technology
and is equipped with updated equipment systems. It follows the
highest international standards for experiments and has invested
over 30 million US dollars in research and development expenses.2),
Quality ControlFenarro has over 40 professional testing equipment,
5 production lines, and 2 measurement centers, with strict quality
control processes in place to ensure that our products meet
international certification requirements.3), Quantity and
ProductivityFenarro has six workshops and nearly 230 well-trained
employees, with the help of modern automated production lines, our
annual production capacity is 150,000 sets of equipment.4), Our
ServiceI). By promptly addressing customer inquiries and concerns,
we provide a quick response during the pre-sales period to secure
the orders and achieve success in the B2B realm.II). O
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