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Siemens SIRIUS 3RV1421-1JA10

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3RV1421-1JA10

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The Siemens 3RV1421-1JA10 is a transformer protection circuit breaker designed for efficient operation under various conditions. This device can handle up to 690V AC or DC and features adjustable overload protection from 7 to 10 amps.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for 3RV1421-1JA10

ManufacturerSiemens
Product LineSIRIUS
Part Number3RV1421-1JA10
UPC754554433080
Weight0.69 lbs (0.31 kg)
SeriesContactors
Product CategoryTransformer protection circuit breaker
Circuit Breaker SizeS0
Maximum Operating Voltage690V AC/DC
Adjustable Overload Protection Range7 - 10 A
Instantaneous Short-Circuit Trip Level208 A
Short-Circuit Interruption Capacity100 kA (400V), 42 kA (500V), 6 kA (690V)
Tripping CharacteristicsClass 10
Number of Main Circuit Poles3
Installation MethodScrew mounting and 35mm DIN rail
Allowable Ambient Temperature Range-20°C to +70°C
Rated Impulse Withstand Voltage6,000V
Mechanical Endurance Rating100,000 operations
Electrical Connection TypeScrew terminals
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The 3RV1421-1JA10 model from Siemens is classified as a transformer protection circuit breaker. It is capable of operating with a maximum voltage of 690V, whether in AC or DC configurations. This circuit breaker features an adjustable overload protection range, allowing settings between 7 to 10 amps, which provides added flexibility depending on specific application needs.

In the event of a fault, this device can trip instantly at a short-circuit level of 208 amps, offering an effective safeguard against electrical overload conditions. Moreover, the device's short-circuit interruption capacities are rated for 100 kA at 400V, 42 kA at 500V, and 6 kA when handling upwards of 690V. The tripping characteristics fall under Class 10, further enhancing the breaker’s responsiveness and reliability.

This model incorporates three main circuit poles, designed for ease of installation using either screw mounting or compatible with 35mm DIN rail systems. The environmental parameters of the 3RV1421-1JA10 specify an ambient temperature tolerance of -20°C to +70°C, making it suitable for a variety of installation settings.

For additional durability, the rated impulse withstand voltage is marked at 6,000V, ensuring it can withstand electrical surges. The device boasts a mechanical endurance rating of 100,000 operations, signifying its long-lasting capabilities. Electrical connections are made via screw terminals, ensuring reliable and secure connections during installation.