Questions? Call us: +31 6 12 94 31 59 (EN, NL & DE). Mon-Sat 8am-4pm (CET)

12 Months Warranty 12 Mo. Warranty Order Today = Shipped Today Shipped Today Over 15.000+ Satisfied Clients 15K+ Clients
  • Siemens Sirius 3RN1012-1CB00 Thermistor Motor Protection Relay-Thermistor Motor Protection Relay-01-AB-01-09-08-6152429832879-Used Industrial Parts
  • Siemens Sirius 3RN1012-1CB00 Thermistor Motor Protection Relay-Thermistor Motor Protection Relay-Used Industrial Parts
  • Siemens Sirius 3RN1012-1CB00 Thermistor Motor Protection Relay-Thermistor Motor Protection Relay-Used Industrial Parts
  • Siemens Sirius 3RN1012-1CB00 Thermistor Motor Protection Relay-Thermistor Motor Protection Relay-Used Industrial Parts
  • Siemens Sirius 3RN1012-1CB00 Thermistor Motor Protection Relay-Thermistor Motor Protection Relay-Used Industrial Parts
  • Siemens Sirius 3RN1012-1CB00 Thermistor Motor Protection Relay-Thermistor Motor Protection Relay-Used Industrial Parts
  • Siemens Sirius 3RN1012-1CB00 Thermistor Motor Protection Relay-Thermistor Motor Protection Relay-Used Industrial Parts
1 7
Siemens

Siemens Sirius 3RN1012-1CB00 Thermistor Motor Protection Relay

Siemens Sirius 3RN1012-1CB00 Thermistor Motor Protection Relay

€90,75incl. VAT
€75,00 excl. VAT

Stock: 2
Tested & workingReally in stockWorldwide shipping12-month warranty
Ships from our own warehouse in Veen, the Netherlands
Order before 16:00 CET — shipped the same day
Worldwide shipping with track & trace
Questions? Contact our team
GearProduct description & specifications
BrandSiemens
ModelSIRIUS 3RN1012-1CB00
TypeThermistor Motor Protection Relay / PTC Thermistor Monitoring Relay
Part Number3RN1012-1CB00
Technical Specifications

SIRIUS 3RN10 series thermistor motor protection relay

Designed for monitoring motor winding temperature via PTC thermistors

Sensor typePTC thermistors according to DIN 44081 / DIN 44082
Number of sensor circuits1
Supply voltage24–240 VAC/DC
Frequency50/60 Hz

Multivoltage operation

Measuring circuit voltage≤ 2.5 V

Response resistance (trip point): 3.3 kΩ

Reset resistance1.8 kΩ
Short-circuit detection < 20 Ω
Open-circuit detectionYes
Manual resetFront-panel pushbutton
Remote reset inputYes

Automatic reset selectable

Output contacts1 changeover contact (SPDT)
Contact rating6 A at 250 VAC

Conventional thermal current (Ith): 6 A

Rated insulation voltage (Ui)300 V

Rated impulse withstand voltage (Uimp): 6 kV

Response time< 0.5 s
LED indicatorsGreen: Supply voltage, Red: Fault/trip indication
Connection typeScrew terminals
MountingDIN rail 
Protection classIP20 (terminals)
Operating temperature-25°C to +60°C
StandardsIEC 60947-8, DIN 44081, DIN 44082, UL, CSA, CE, EAC
StatusDiscontinued
Weight150 g
Dimensions 22.5 × 100 × 91 mm 
Country of Origin Germany
HS Code 8536.49

Delivery & Returns

1. Normal delivery the next business day (The Netherlands). Other countries may take longer, sometimes you have to wait a little longer to get your order, but it's always worth it!
2. Returns, email or call for your RMA number, without RMA number we can not provide a Refund.

Why buy from us

How we stand out:

1. We are a 100% Dutch company with a warehouse in The Netherlands.
2. In stock means really IN STOCK.
3. All Used Industrial Parts are inspected before listing for sale.
4. All Used Industrial Parts come with a DOA warranty and a 6 months warranty.
5. The Biggest inventory! We buy (and sell) "Surplus New", "Used" and "Obsolete" Automation Controls, and Industrial Process Equipment daily, so we are proud of our huge inventory!

View full details

More info

View all
1 3
View all

Let customers speak for us

from 31 reviews
Goede product Snelle levering

.

Luc Apperloo
Pilz PNOZ m0p Base Unit 773110
Pilz PNOZ m0p Base Unit 773110

New in box. Works great.
fast shipping

S Rutten
Siemens 3RN1010 1CB00 Thermistor Motor Protection Relay
Siemens 3RN1010 1CB00 Thermistor Motor Protection Relay
Excellent quality

Used but like new, as indicated. The contacts show no wear. This one is good for years to come.
Fast shipping

S Rutten
Schmersal SRB 301MC-24V Safety Relay
Schmersal SRB 301MC-24V Safety Relay

Dear All,

I’m Nalaka from Sri Lanka, and I want to express my sincere gratitude for the incredible support we received during an emergency repair of our convection baking oven blower.

Despite the urgency and the weekend timing, your team went above and beyond by dispatching the necessary parts from the Netherlands on Friday evening — even before payment was processed. Thanks to your swift action, we received the parts by Tuesday and were able to complete the repair that same evening.

This level of service is truly exceptional, and I’m deeply appreciative of your professionalism, trust, and commitment. You helped us avoid significant downtime, and for that, we are genuinely thankful.

Warm regards, Nalaka

Nalaka Handaragama
Ebm Papst G1G170 AB53 80 Blower
Ebm Papst G1G170 AB53 80 Blower

Best one I ever used!

Gordon Standing
Rocker Switch Waterproof
Rocker Switch Waterproof
MJSPRINGS

We have received the Elau Pacdrive MAX-4/11/03/128/08/1/1/00 Servo Drive. We are very happy with it and have no complains towards it.

MINKO JONKOV
Elau Pacdrive MAX-4/11/03/128/08/1/1/00 Servo Drive - H474A9
Elau Pacdrive MAX-4/11/03/128/08/1/1/00 Servo Drive - H474A9
5/5

Card is working as expected. Excellent packaging. All good :)

Ioannis Tzikas
Mitsubishi Melcard 1MB MF31M1-LCDAT01 SRAM CARD
Mitsubishi Melcard 1MB MF31M1-LCDAT01 SRAM CARD
Great item

very fast delivery, great service, item as described. I can recommend these guys - very professional!

Robert Gwynne
Tesa Tronic TTR20 Analogue display
Tesa Tronic TTR20 Analogue display
Melcard Mitsubishi 1MB MF31M1-LCDAT01 SRAM CARD

Item in great condition. Fast shipping and helpful conversation regarding formatting the card. Shipping costs could be lower though. All in all a very good experience. Happy customer.

jernej kastelic
Mitsubishi Melcard 1MB MF31M1-LCDAT01 SRAM CARD
Mitsubishi Melcard 1MB MF31M1-LCDAT01 SRAM CARD
Ebm Papst G1G170 AB53 80 Blower

Hello, yes, thank you for the fast and trouble-free delivery to the Czech Republic. Best regards Jiri

Jiri Hubka
Ebm Papst G1G170 AB53 80 Blower
Ebm Papst G1G170 AB53 80 Blower
Great customer service

Great support from the start to the end, swift delivery, high quality parts.

Michal Gignal
Mitsubishi Melcard 1MB MF31M1-LYCAT01 SRAM CARD
Mitsubishi Melcard 1MB MF31M1-LYCAT01 SRAM CARD
Super fast received from Netherlands to Mallorca

Very fast delivery and the material was in a very good condition.

david jimenez jofre
Beijer Exter T150 Touch Screen Display
Beijer Exter T150 Touch Screen Display

I appreciate prompt response and delivery of the purchased item.

Nikhil Patel
Used Industrial Parts

Excellent service.

Nikhil Patel
National Instruments Corporation NI TB-9214 Terminal Connector
National Instruments Corporation NI TB-9214 Terminal Connector
Quick response!

I was pleased to get a phone call on my request and extra information to convince me that it was indeed the correct module I needed.
Thanks for the quick and excelent service.

Walter Machiels
Unitronics M-90 M91-2-T1
Unitronics M-90 M91-2-T1

Tested used & surplus industrial parts — shipped across Europe, often at half the price of new.

Shop
Policy
Reach out to us
+31 6 12943159
parts@usedindustrialparts.com
Used Industrial Parts, Veensesteeg 10N, 4264 KG Veen, The Netherlands

Subscribe for premium updates

New arrivals, deals and stock alerts — straight to your inbox.

© 2026 Used Industrial Parts. All rights reserved.
American Express Apple Pay BancontactBLIKGoogle Pay iDEAL WeroKlarnaMaestroMastercard MobilePayPayPalShop Pay Union PayUSDC Visa