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Constant Force Springs

← Screen termination products

EMCA HE series

Constant force springs for terminating a cable’s braided screen on EMCA band backshells, in five sizes from HE050 to HE400.

Part numbersHE050 – HE400
FitsEMCA band backshells
Entry codes03 to 24
EMCA size recommendation (PDF) ↗Choose the spring by your backshell’s cable entry code; see the tables below.

Description

Open the EMCA CFS size recommendation ↗

EMCA’s table of backshell cable entry codes and the spring to use with each.

Constant force springs (CFS) terminate the braided screen of a cable on the band platform of an EMCA band backshell. The spring is wound over the screen where it sits on the platform and holds it with even pressure all the way around, for a 360° screen termination.

  • Five sizes: HE050, HE100, HE200, HE300 and HE400
  • Matched to EMCA standard band backshell cable entry codes 03 to 24
  • An alternative to banding straps on the same backshells

Choosing the right size

Part number EMCA backshell entry codes
HE050 03 to 04
HE100 05 to 07
HE200 08 to 11
HE300 12 to 16
HE400 17 to 24

Size recommendation by entry code

Entry size code ØD2 min. (mm) ØD3 max. (mm) Recommended spring
03 4.7 13.9 HE050
04 6.3 13.9 HE050
05 7.9 15.5 HE100
06 9.5 17.2 HE100
07 11.1 18.7 HE100
08 12.7 20.3 HE200
09 14.2 21.9 HE200
10 15.8 23.5 HE200
11 17.4 25.1 HE200
12 19.0 26.7 HE300
13 20.6 28.3 HE300
14 22.2 29.9 HE300
15 23.8 31.5 HE300
16 25.4 33.1 HE300
17 27.0 34.7 HE400
18 28.6 36.3 HE400
19 30.2 37.9 HE400
20 31.8 39.5 HE400
21 33.3 41.1 HE400
22 35.0 42.7 HE400
23 36.5 44.3 HE400
24 38.1 45.9 HE400

Dimensions in mm. Source: EMCA GmbH, CFS size recommendation for EMCA standard band backshell cable entry codes (10 Nov 2020).

How to order

Add this product to your quote request and tell us the part number (for example HE200) and the quantity. Not sure which size you need? Send us the EMCA backshell part number or its cable entry code and we’ll confirm the right spring.