Protection relay Siemens model 3RN20101CW30

Verify the part number and specifications; the image alone does not establish suitability.

ARAN VISION reference: AV-FEED-1B96PSK
Category: Industrial electrical equipment
Manufacturer sourcing lead time: Manufacturer confirmation required
Delivery to your location is confirmed separately.
Documents / datasheets: ARAN VISION specification sheet

Technical specifications

Product type designation: 3RN2
Net weight: 112.46 g
type of voltage of the control supply voltage: AC/DC
control supply voltage at DC rated value: 24 ... 240 V
Mounting position: any
Height: 100 mm
Width: 17.5 mm
Depth: 90 mm
installation altitude at height above sea level maximum: 2 000 m
product brand name: SIRIUS
product category: SIRIUS 3RN2 thermistor motor protection
product designation: Thermistor motor protection relay
design of the product: Compact evaluation unit, suitable for bimetallic switch
product function: thermistor motor protection
display version LED: Yes
at AC in hot operating state: 0.9 W
at DC in hot operating state: 0.9 W
insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value: 300 V
degree of pollution: 3
surge voltage resistance rated value: 4 kV
shock resistance according to IEC 60068-2-27: 11 g / 15 ms
vibration resistance according to IEC 60068-2-6: 10 ... 55 Hz: 0.35 mm
mechanical service life (operating cycles) typical: 10 000 000
at 24 V typical: 100 000
at 230 V typical: 100 000
thermal current of the switching element with contacts maximum: 5 A
reference code according to IEC 81346-2: K
Substance Prohibitance (day/month/year): 05/28/2009
SVHC substance name: Lead CAS-No. 7439-92-1 Lead monoxide (lead oxide) CAS-No. 1317-36-8 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-No. 119-47-1
error memory: No
dynamic open-circuit detection: No
external reset: No
auto-RESET: Yes
manual RESET: No
at 50 Hz rated value: 24 ... 240 V
at 60 Hz rated value: 24 ... 240 V

Report a product-data issue

Documents / datasheets

View / print the ARAN VISION specification sheet Manufacturer datasheet Official manufacturer source · Siemens

Source reviewed: 2026-10-24

Description

Protection relay Siemens part number 3RN20101CW30; type of voltage of the control supply voltage: AC/DC; control supply voltage at DC rated value: 24 ... 240 V; insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value: 300 V. Technical specifications, condition and supply feasibility are checked before ordering.

Ask about this product

Send the part number and your question for technical or sourcing review.

Condition and order verification

Authenticity and condition

Product authenticity and actual condition, including new condition when offered as new, are checked before final approval and recorded in the quotation.

Matching technical version

The part number, revision, firmware or version is checked against your requirements. Apparently similar products may differ in price because of their version or condition.

Delivery estimate before ordering

Specialist products have a lead time. The valid delivery estimate is stated in the quotation after checking availability and specifications.