Siemens 1MA6 280-2BD50 Explosion-Proof Motor with Dickow NCL 100/200 High-Speed Pump

This package includes a Siemens 1MA6 280-2BD50 electric motor, rated at 47 kW, designed for continuous-duty (S1) operation in hazardous environments, conforming to ATEX directive PTB 02 ATEX 3070/01 and IEC/EN 60034 standards. The motor features a thermal class 155 (T3) insulation, IP55 protection, and is suitable for ambient coolant temperatures up to 40°C. It operates at 2902 RPM, with dual voltage capability (400 V Δ / 690 V Y), drawing 84 A and 49 A respectively.

The motor is equipped with 6216C3 bearings on both drive and non-drive ends and uses ESOS UNIREX N3 lithium-based grease (DIN 51825 - K3N), with a greasing interval of 4000 hours, requiring 25 grams per point, applied during operation.

Coupled with this motor is a Wilhelm Dickow NCL 100/200 pump, a high-speed centrifugal pump operating at 12900 RPM. It delivers a precise flow rate of 0.99 m³/hr under a system pressure of 20.5 bar, making it ideal for demanding process fluid applications.

This motor-pump assembly is particularly suitable for hazardous areas requiring explosion-proof equipment, and delivers high reliability under continuous industrial service conditions.

Specifications:

– Motor Manufacturer: Siemens
– Motor Model: 1MA6 280-2BD50
– Motor Power: 47 kW
– Voltage: 400 V (Δ) / 690 V (Y)
– Current: 84 A (400 V) / 49 A (690 V)
– Frequency: 50 Hz
– Motor Speed: 2902 RPM
– Efficiency Class: T3
– Duty Type: S1 (Continuous)
– Enclosure: IP55
– Mounting Arrangement: IM B3
– Thermal Class: 155 (T3)
– Explosion Protection: EEx e II T3
– Certification: PTB 02 ATEX 3070/01
– Cooling Type: T1/T2
– Bearing Type: 6216C3 (both ends)
– Grease Quantity: 25 g per point
– Grease Type: ESOS UNIREX N3 (Li-soap DIN 51825 - K3N)
– Greasing Interval: Every 4000 hours
– Cooling Temperature Limit: 40 °C
– Motor Weight: 570 kg

– Pump Manufacturer: Wilhelm Dickow Pumpenfabrik
– Pump Model: NCL 100/200
– Serial Number: 7159889
– Pump Type: High-Speed Centrifugal Pump
– Pump Speed: 12900 RPM
– Flow Rate: 0.99 m³/hr
– Operating Pressure: 20.5 bar
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