Nord Drivesystems 275 299 004 Manual Download Page 3

 

Brake resistor – SK BRU5-1-240-050 

275299004 - 0821 

  

3 / 9 

Technical Data 

Electrical data 

Number of wires 

 

 

Short-time power P

max

 2) 

 

 

Resistance 

 

240 

 

for 1.2 s 

kW 

0.75 

Max. continuous power 

P

n

 

50 

 

Rated power P 

 80 

Max. pulse energy 

capacity 1) 

kJ 

3.2 

 

 

 

 

1)

 The stated value applies to a single use < 1 s at an ambient temperature of 40°C. 

2)

 The stated value applies to a single use within 120 s. 

 

Pos: 18 /Technische Informationen/Bremswiderstände/Unterbau- Bremswiderstände [SK 5xxP]/BRU5/Basisinformation II-Teil [SK BRU5-1-...] @ 33\mod_1555395702126_388.docx @ 2528350 @  @ 1 

General 

Temperature range 

°C 

-10 … 40

 (100% ED/S1) 

-10 … 50

 (70% ED/S3)

 

 

Approvals 

CE, RoHS, UL recognition 

Protection class 

IP65 

Tightening torque 

 

 

Mounting

 

 

  Screws 

Nm  1.1 – 1.5 

    Screws 

2 x M4 x 12 

(SK 5xxP)

 

Weight 

kg 

 0.31 

    Screws 

1)

 

2 x M5 x 8 

(mounting surface)

 

 

 

 

 

1)

 Not included in the scope of delivery 

Dimensions 

Overall dimensions  

(W x H x D) 

mm  65 x 35 x 235 

 

 

 

 

Dimensioning drawing 

 

 

Summary of Contents for 275 299 004

Page 1: ...shock The frequency inverter continues to carry hazardous voltages for up to 5 minutes after it was switched off Work must not be carried out unless the device has been disconnected from the voltage a...

Page 2: ...equency inverter results in generator braking energy that depending on the particular application is dissipated by a braking resistor This excess energy is converted into heat The footprint braking re...

Page 3: ...s to a single use within 120 s Pos 18 Technische Informationen Bremswiderst nde Unterbau Bremswiderst nde SK 5xxP BRU5 Basisinformation II Teil SK BRU5 1 33 mod_1555395702126_388 docx 2528350 1 o Gene...

Page 4: ...nt on the resistor s surface deposits of flammable material must be avoided in order to avoid ignition Cleaning of the resistor must be carried out with a dry duster on a regular basis when the resist...

Page 5: ...Unterbau mit 100 C 275911200 62 mod_1610615070087_388 docx 2714390 1 NOTICE Impermissible heating If the footprint braking resistor is mounted directly below the frequency inverter a temperature switc...

Page 6: ...m 11 x 12 x 10 Mounting L M4 thread mm 5 Cable line Wire length mm 50 Wire end sleeve mm 10 Dimension drawing Pos 27 Technische Informationen Bremswiderst nde Unterbau Bremswiderst nde SK 5xxP BRU5 Al...

Page 7: ...frequency inverter in a horizontal position with the 2 fastening screws which are provided For frequency inverter on mounting surface Braking resistor on mounting surface Similar to illustration 2 Ins...

Page 8: ...al operating status of the frequency inverter such as fault maintenance and reason for switch on inhibit P701 Last fault This parameter holds information on the frequency inverter s last faults P737 U...

Page 9: ...resistor Pos 35 Technische Informationen Bremswiderst nde Unterbau Bremswiderst nde SK 5xxP BRU5 Weiterf hrende Dokumentationen und Software SK BRU5 33 mod_1554822291112_388 docx 2526801 5 1 Further d...

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