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Sprecher + Schuh

Sprecher +Schuh RT 3-M Thermistor Protection Relay - 11292

Sprecher +Schuh RT 3-M Thermistor Protection Relay - 11292

€90,75incl. VAT
€75,00 excl. VAT

Stock: 1

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
BrandSprecher + Schuh
ModelRT 3-M
TypeThermistor Protection Relay
Part Number11292
Technical Specs
Core ApplicationThermal protection of electric motors, transformers, and machinery equipped with PTC thermistors against overload, blocked rotor conditions, phase failure, and insufficient cooling
Operating Control Voltage220 V - 240 V AC
Supply Network Frequency50 / 60 Hz
Power ConsumptionApprox. 3 VA
Evaluation Circuit LayoutDesigned to monitor a series string of Positive Temperature Coefficient (PTC) thermistor sensors embedded in the motor windings
Number of Sensor Loops1 circuit loop tracking up to 6 PTC sensors in series conforming to DIN 44081 / DIN 44082 standards
Cold Resistance Threshold< 1.5 kΩ
Triggering/Trip Threshold3.2 kΩ to 3.8 kΩ (Activates fault response upon winding overheating)
Reset/Release Threshold1.5 kΩ to 1.8 kΩ (Allows resetting once the motor cools down)
Reset Operation ModesManual reset
Output Contact Configuration1 NO + 1 NC
Maximum Contact Rating250 V AC, max. 5 A resistive / 2 A inductive load
Status IndicatorsFront-facing LED diagnostics; Red LED (Tripped/Overtemperature fault condition)
Electrical Connection TypeBox lug screw clamp terminals
Housing Construction MaterialHigh-impact, flame-retardant polyamide/polycarbonate blend casing
Structural Mounting FormatStandard 35mm DIN-rail mount (EN 50022 tracking) or surface screw panel installation
Enclosure Protection ClassIP20
Weight275 g
Dimensions100 x 70 x 45 mm
Country of OriginSwitzerland
HS Code8536.49.00

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!

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