8 Installation Equipment

Terminal Boxes
Series 8125

● Explosion protection to
– CENELEC
– IEC
– NEC
● Can be used in Zone 1 and Zone 2
● Fitting with terminals up to max.
240 mm2
● Painted sheet steel or stainless
steel enclosures
● 6 basic enclosure sizes with
various heigths
● Degree of protection IP 66

D4321

Series 8125 terminal boxes are supplied with Phoenix Thermoplast

terminals as standard. Terminals from other manufacturers can be
fitted.
The terminal boxes are fitted to order with terminals and cable
entries.

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 Terminal Boxes in Sheet Steel or Stainless Steel
Series 8125 8
Selection table for terminal boxes up to max. 35 mm2
Max. number of line-up terminals which can be fitted Ordering code Weight
Size [mm2] 1,5 2,5 4 6 10 16 35

MXK 4 Ex

UK 35-Ex
WDU 2,5

UK 10 N
WDU 10
UK 16 N
WDU 16

WDU 35
280-991

264-120
281-991

UXKK 4
UK 3 N

UK 5 N
WDU 4
UK 6 N
WDU 6
AK 4/1
Arrangements [kg]
Z 2939K

– 18 16 – – 16 16 – 14 – – – – – – – – – 8125/o041 – o 1,0
Z 2938K

18 21 18 18 21 18 18 18 18 18 13 13 11 11 8 8 – – 8125/o051 – o 1,5
Z 2937K

– – 30 – – 30 30 – – – – – – – – – – – 8125/o051 – o 1,6
Z 2936K

23 27 23 23 27 23 23 23 23 23 17 17 14 13 12 11 – – 8125/o061 – o 2,1
Z 2935K

– – 46 – – 46 46 – – – – – – – – – – – 8125/o061 – o 2,3
Z 2934K

– – 46 – – 46 46 – – – – – – – – – – – 8125/o063 – o 3,0
Z 2933K

37 44 – 37 41 – – 35 37 35 26 26 22 20 17 17 – – 8125/o071 – o 3,1
Z 2932K

– – 72 – – 72 74 – – – – – – – – – – – 8125/o071 – o 3,3
Z 2931K

37 44 37 37 44 37 37 35 37 35 26 26 22 20 17 17 – – 8125/o073 – o 4,0
Z 2930K

16 21 – 16 21 – – 16 16 17 13 13 10 10 8 8 7 5 8125/o071 – o 3,1

Add. to ordering code:

Version: EEx e 1
EEx i 2

Material: Sheet steel 1

Stainless steel 2

Note: The ordering codes contain the enclosure with carrier rails and PE or PA rail.
State with order: Terminal strips: number and type
Cable glands: number, type and side for fitting in enclosure
Flanges: Flanges can be fitted to order; please indicate the side on which they are to be fitted.
Terminal boxes fitted with terminals > 35 mm2 bis 240 mm2 on request

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8 Terminal Boxes in Sheet Steel or Stainless Steel
Series 8125

Selection table for terminal boxes with terminals up to max. 35 mm2

Max. number of line-up terminals which can be fitted Ordering code Weight
Size [mm2] 1,5 2,5 4 6 10 16 35

MXK 4 Ex

UK 35-Ex
WDU 2,5

UK 10 N
WDU 10
UK 16 N
WDU 16

WDU 35
280-991

264-120
281-991

UXKK 4
UK 3 N

UK 5 N
WDU 4
UK 6 N
WDU 6
AK 4/1
Arrangements [kg]
Z 2929K

42 50 – 42 50 – – 42 42 42 31 31 25 25 21 21 17 16 8125/o081 – o 5,5
Z 2928K

80 94 80 80 94 80 80 80 80 80 58 60 48 48 39 – – – 8125/o081 – o 5,7
Z 2927K

120 141 120 120 141 120 120 – 120 – – – – – – – – – 8125/o081 – o 6,0
Z 2926K

42 50 42 42 50 42 42 42 42 42 31 31 25 25 21 21 17 16 8125/o083 – o 6,5
Z 2925K

80 94 80 80 94 80 80 80 80 80 58 60 48 48 39 – – – 8125/o083 – o 6,7
Z 2924K

120 141 120 120 141 120 120 – 120 – – – – – – – – – 8125/o083 – o 7,0
Z 2923K

84 100 – 84 100 84 84 84 84 84 62 62 50 50 42 41 34 32 8125/o093 – o 10,0

Z 2922K

160 188 160 160 188 160 160 160 160 160 116 120 96 96 80 – – – 8125/o093 – o 10,5
Z 2921K

240 282 240 240 282 240 240 – 240 – – – – – – – – – 8125/o093 – o 11,0

Add. to ordering code:

Version: EEx e 1
EEx i 2

Material: Sheet steel 1

Stainless steel 2

Note: The ordering codes contain the enclosure with carrier rails and PE or PA rail.
State with order: Terminal strips: number and type
Cable glands: number, type and side for fitting in enclosure
Flanges: Flanges can be fitted to order; please indicate the side on which they are to be fitted.
Terminal box fitted with terminals > 35 mm2 bis 240 mm2 on request.

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 Terminal Boxes in Sheet Steel or Stainless Steel
Series 8125 8
Technical data
Explosion protection EEx e II T6/T5
Test certificate PTB Nr. Ex-96.D.3147
Other certificates: VDE (Germany), BKI (Hungary), CSA (Canada),
FTZU (Czech Republic), SEV (Switzerland), UL (USA)
Material
Enclosure Depending on the version
sheet steel, galvanised, painted light grey, RAL 7032 or
stainless steel 1.4571, elektro-polished, without paint (painting possible to order)
Gasket EPDM, foam
Flange
Standard In the standard version enclosures are supplied without flange.
Special If ordered, enclosures may have flanges fitted on one or more sides, flange material
galvanised or stainless steel
Cover fixing
Standard M 6, cheese-head screws with combined slot; captive; stainless steel
Special lid hinged
Rated voltage max. 1100 V, AC/DC (depending on terminals fitted)
Degree of protection IP 66
Ambient temperature – 20° C ... + 40° C (T6) with glands 8161
– 20° C ... + 55° C (T5) with glands 8161
– 40° C ... + 40° C (T6) with metal glands (depending on gasket)
– 40° C ... + 55° C (T5) with metal glands (depending on gasket)
Line-up terminals Max. nominal cross-section 240 mm2

Dimensions, all dimensions in mm – subject to alteration

M1371k

M1372k
M1370k

8125/.04. 8125/.05. 8125/.06.

M1374k
M1373k

M1376k

Additional dimension
8125/.07. 8125/.08. for flange fitting
M1375k

Enclosure Height of enclosure h

1 3 5
91 mm 150 mm 190 mm
8125/.04  X – –
8125/.05  X – –
8125/.06  X X –
8125/.07  X X –
8125/.08  X X X
8125/.09  X X X
8125/.09. X ... can be supplied

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8 Terminal Boxes in Sheet Steel or Stainless Steel
Series 8125

Cable entries Table for max. number of entries possible with cable glands 8161
Caution:
The maximum possible number of cable entries which can be fitted in the sides of the enclosures depends on
the number of support rails fitted in the enclosure:
with support rails fitted from side A to side B:
sides A and B cannot be fitted with cable entries, or only to a limited extent;
with support rails from side C to D:
sides C and D cannot be fitted with cable entries, or only to a limited extent.
Gland Enclosure size
8125/.041 8125/.051 8125/.061 8125/.063
8161

Size without flanges with flanges without flanges with flanges without flanges with flanges without flanges with flanges
A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D
M 16 9 15 – 4 15 15 4 4 15 21 4 4 27 36 12 12
M 20 4 7 – 3 7 7 3 3 7 10 3 3 16 23 7 7
M 25 3 6 – 3 6 6 3 3 6 9 3 3 12 18 6 6
M 32 2 4 – 2 4 4 2 2 4 5 2 2 10 14 3 3
M 40 1 2 – – 2 2 – – 2 3 – – 4 6 2 2
M 50 1 2 – – 2 2 – – 2 2 – – 3 3 1 1
M 63 – – – – – – – – – – – – 2 2 1 1

8125/.071 8125/.073 8125/.081 8125/.083

8161

Size without flanges with flanges without flanges with flanges without flanges with flanges without flanges with flanges
A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D
M 16 15 34 4 8 26 57 12 33 34 34 8 8 57 57 33 33
M 20 7 18 3 6 16 37 7 18 18 18 6 6 37 37 18 18
M 25 6 14 3 6 12 29 6 14 14 14 6 6 29 29 14 14
M 32 4 7 2 4 10 23 3 9 7 7 4 4 22 23 9 9
M 40 2 5 – – 4 10 2 4 5 5 – – 10 10 4 4
M 50 2 4 – – 3 5 1 3 4 4 – – 5 5 3 3
M 63 – – – – 2 3 1 2 – – – – 4 3 2 2

8125/.085 8125/.093 8125/.095

8161

Size without flanges with flanges without flanges with flanges without flanges with flanges
A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D A/B C/D
M 16 80 80 33 33 57 121 33 66 170 170 33 66
M 20 47 47 18 18 37 78 18 36 97 97 18 36
M 25 37 37 14 14 29 63 14 28 82 82 14 28
M 32 30 31 9 9 22 47 9 18 63 63 9 18
M 40 14 15 4 4 10 20 4 8 31 31 4 8
M 50 9 9 3 3 5 10 3 6 20 20 3 6
M 63 5 5 2 2 3 8 2 4 12 12 2 4

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 Terminal Boxes in Sheet Steel or Stainless Steel
Series 8125 8
,

Accessories and spare parts

Designation Illustration Description Ordering code Weight
[kg]
Flange Size 1 Version Sheet steel 81 250 01 49 0 0,35

S 0888P
Stainless steel 81 259 02 49 0 0,35
can be fitted to enclosure Side
8125/_051 C/D
8125/_061 A/B/C/D
8125/_071 A/B/C/D
8125/_S71 C/D
8125/_081 A/B/C/D
Size 2 Version Sheet steel 81 250 02 49 0 0,70
S 0886P

Stainless steel 81 259 04 49 0 0,70

8125/_063 C/D
8125/_073 C/D
8125/_083;/_085 A/B/C/D
8125/_093;/_095 A/B/C/D
Size 3 Version Sheet steel 81 250 03 49 0 1,40
S 0887P

Stainless steel 81 259 06 49 0 1,40

can be fitted to enclosure Side
8125/_073 A/B

Spacers Size 0 (68 mm x 68 mm) 81 460 03 10 0 0,02

1 (128 mm x 68 mm) 81 460 01 10 0 0,03
2 (266 mm x 126 mm) 81 460 04 10 0 0,04
S 0065P

3 (126 mm x 126 mm) 81 460 11 10 0 0,03

Lid hinges Kit for subsequent mounting, consisting of:

S 0885P

2 hinges 81 258 02 29 0 0,04

3 hinges 81 258 03 29 0 0,05

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