RS Better World

Siemens 28A, 36 A 3RV2 Motor Protection Circuit Breaker, 690V, 60 °C, -20 °C

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PHP24,413.28

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PHP27,342.87

(inc. VAT)

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RS Stock No.:
875-1119
Mfr. Part No.:
3RV2031-4PA10
Manufacturer:
Siemens
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Brand

Siemens

Current Rating

28A, 36A

Product Type

Motor Protection Circuit Breaker

Motor Protection Component

Circuit Breaker

Supply Voltage

690V

Motor Protection System

Motor Protection Circuit Breaker

Series

3RV2

Sensing Type

Magnetic

Overall Length

140mm

Overall Width

55mm

IP Rating

IP20

Overall Depth

149mm

Minimum Operating Temperature

-20°C

Maximum Operating Temperature

60°C

Standards/Approvals

ABS, ATEX, CCC, CE, CSA, EAC, LRS, RoHS, UKCA, UL, VDE

Better World Claim

Extended Product Life, Low Carbon Manufacture

Better World Product

Yes

Number of Poles

3

RoHS Status: Exempt

COO (Country of Origin):
DE

Siemens 3RV2 Series Motor Protection Circuit Breaker, 28 to 36A Adjustable Current, 690V Rated Voltage - 3RV2031-4PA10


This motor protection circuit breaker provides motor overload and short-circuit protection for three-phase systems. Designed for industrial control applications, it combines a thermal overload element with a magnetic instantaneous trip to protect motors across a wide operating voltage range. The device is suitable for installation on a 35mm DIN rail and is intended for environments requiring finger-safe front access and IEC-compliant touch protection.

Features and Benefits:


• Class10 trip delivers delayed tripping for motor starting currents
• Magnetic instantaneous trip at 520A provides Rapid short-circuit interruption
• 36A continuous current rating supports common motor loads
• 690V insulation and rated operation enable high-voltage networks
• IP20 front protection allows safe front access in control panels

Applications


• Suitable for motor starter panels in industrial plants
• Used with three-phase motors up to 36A operational current
• Ideal for hazardous-location systems requiring ATEX approval
• Can be used for generator and transformer protection setups
• Suitable for UL/CSA-compliant installations in machinery control

What type of trip elements are incorporated?


It uses a thermal overload release for long-term overloads and a magnetic trip for instantaneous short-circuits.

How is it mounted within control equipment?


It mounts by screw and Snap-on to a 35mm DIN rail and supports optional standard bar mounting.

What short-circuit breaking capacities does it provide at various voltages?


Icu is 100kA at 240V, 65kA at 400V, 10kA at 500V and 4kA at 690V with corresponding reduced Ics values.

Which conductor sizes can be connected to the main terminals?


Solid or stranded conductors from 1 to 35mm² are permitted and finely stranded with end ferrules up to 25mm².

What environmental operating range does it support?


It operates between -20°C and +60°C with permissible relative humidity from 10 to 95% during operation.

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