Standard Units

Standard units are listed in the tables below. Others available on request.

  

Part Number

Standard Types use Prefixes BX40, BX75, BX275 & BX375.

  

Ingress Protection

IP20.

  

Finish

Black powder coated.

  

Construction

Zinc plated steel.

  

Mounting

Suitable for wall or base.

  
 Resistor Enclosures - Dimensions (mm)

TYPE

A

B

 C D E F G

BX40

182

300

 133 168 208 38 4

BX75

182

430

 153 168 335 38 4

BX275

510

315

 187 495 225 40 5

PBX375

510

500

 187 495 410 40 5
   

Power ratings

Continuous, short time and intermittent power ratings for different enclosures are shown in the following table.

  
 Ohmic Values & Ratings - Continuous, Short Time & Intermittent
TYPE CONT   SHORT TIME (SECONDS)   INTERMITTENT (MINUTES)
      5 10 20   1/2 1 2 3 4 5
 

WATTS

  

WATTS

WATTS

WATTS

  

WATTS

WATTS

WATTS

WATTS

WATTS

WATTS

BX40/200

200

   4000 3000 1800   1100 660 500 400 300 250
BX40/300

300

   6000 4500 2700   1650 990 750 600 450 375
BX40/400

400

   8000 6000 3600   2200 1320 1000 800 600 500
BX75/450

450

   9000 6700 4000   2500 1500 1130 900 690 570
BX75/600

600

   12300 9200 5500   3200 1930 1460 1170 880 740
BX75/750

750

   14700 11000 6600   4000 2420 1830 1460 1100 920
BX75/1000

1000

   20000

15000

 9000  

5320

 3220

2440

 1940

1460

 1220
BX275/1500

1500

   29400

22000

 13200  

8000

 4840

3660

 2920

2200

 1840
BX275/2000

2000

   40000

30000

 18000  

10650

 6450

4880

 3890

2930

 2450
BX375/3000

3000

   58800 44000 26400   16000 9680 7320 5840 4400 3680
BX375/4000

4000

   80000 60000 36000   21300 12900 9760 7790 5870 4910

 

 

  

Operating

Once Per Hour

  

 Operating Time in any 15 Minute Period
 

THE POWER IN WATTS TO GIVE A TEMPERATURE RISE OF 300°C IN THE TIME STATED

  
 
 
 
 
                 

Copyright © HVR Pentagon Ltd 2014. All Rights Reserved. This page last updated: 6 March, 2014.