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R911201214 (RD52.2-4B-018-L-A2-FW/S133)

RD 500 Drive Controllers

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The R911201214 (RD52.2-4B-018-L-A2-FW/S133) is a frequency converter from the RD 52.2 series designed for use with both synchronous and induction motors. This three-phase unit operates with a nominal connecting voltage of 3 x AC 380-480 V and incorporates a built-in brake chopper with a 17.5 Ohms resistance. At a 4 kHz pulse frequency, it delivers an 18.5 kW motor output, 35 A rated current, 23 kVA output power, and up to 30 kVA peak power for 60 seconds. With an 8 kHz pulse frequency, it provides 15 kW motor output, 30 A rated current, and 20 kVA rated output power with a 26 kVA peak. The converter features forced air cooling at a requirement of 0.03 m³/s airflow, has a power loss of 3.2 kW, weighs approximately 11.3 kg, and is equipped with external standby power and a starting lockout function. The unit meets the requirements of EN 60529.

Technical Specifications

Product Type
Three-phase Drive System

Motor Type Compatibility
Synchronous and Induction Motors

Motor Output (at 4 kHz)
18.5 kW

Current Rating (at 4 kHz)
35 A

Rated Output Power (at 4 kHz)
23 kVA

Peak Power (at 4 kHz)
30 kVA

Motor Output (at 8 kHz)
15 kW

Current Rating (at 8 kHz)
30 A

Rated Output Power (at 8 kHz)
20 kVA

Peak Power (at 8 kHz)
26 kVA

Cooling Method
Forced Air-cooling

Weight
11.3 kg

Size Class
B

Required Cooling Airflow Rate
0.03 cubic meters per second

Current Rating (at 12 kHz)
22 A

Power Output (at 12 kHz)
14 kVA

Power Loss
3.2 kW

Ingress Protection category
20

Brake Type
Internal Brake Chopper

Continuous Power of Brake Chopper
55 kW

Peak Power of Brake Chopper
260 kW

Minimum Resistance of Brake Chopper
17.5 Ohms

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

Fax: 1-919-867-6204

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.