catalogue 3 1 0 explosionprotectedpro ducts

5.102
1
2
3
4
5
6
7
8
9
ZONE 1 ZONE 2 ZONE 21 ZONE 22
E X - I N S T A L L A T I O N U N I T S A N D M A T E R I A L
Type 744 21
E x - e / E x - i T E R M I N A L B O X
I 744 21/745 22/746 23/749 24 up to 296 terminals I
Technical data
Type 744 21/745 22/746 23/749 24 up to 296 terminal
Marking to 94/9/EC II 2 G ⎮ II 2 D T 80 °C
Type of protection EEx e II T6 ⎮ EEx ia IIC T6 ⎮ EEx e [ia] IIC T6
EC-Type Examination Certificate PTB 99 ATEX 1044
Rated voltage up to 690 V
Rated current depends on terminal mounting
Degree of EN 60529 IP 66
Type 745 22
Enclosure material Stainless steel AISI 316 L (1.4404)
Terminal cross section 744 21 max. 16 mm 2 ⎮ 745 22 max. 70 mm 2
746 23/749 24 max. 240 mm 2
Weight empty 744 21 approx. 3.5 kg ⎮ 745 22 approx. 7.5 kg
746 23 approx. 11.5 kg ⎮ 749 24 approx. 16.5 kg
Max. number of drillings and cable entries from down
Terminal box M16 M20 M25 M32 M40 M50 M63
744 21/745 22 37 23 15 9 5 3 2
744 21/745 22 with flange 29 17 12 7 4 2 –
746 23 71 46 30 18 10 6 4
746 23 with flange 58 34 24 14 8 4 –
749 24 108 69 45 27 15 9 6
749 24 with flange 87 51 36 21 12 6 –
Max. number of terminals
acc. to type examination certificate
Terminal- Terminal cross section Terminalbox
2.5 mm2 4 mm2 6 mm2 10 mm2 16 mm2 25 mm2 35 mm2 rail
744 21 1 x 40 1 x 33 1 x 25 1 x 20 1 x 17 1 x 17 – 1 x 230 mm
l. of assembly
745 22 2 x 41 2 x 34 1 x 26 2 x 20 1 x 17 1 x 17 1 x 14 2 x 230 mm
l. of assembly
746 23 2 x 94 2 x 78 1 x 59 2 x 47 1 x 40 1 x 40 1 x 32 2 x 510 mm
l. of assembly
749 24 2 x 148 2 x 124 1 x 94 2 x 75 1 x 63 1 x 63 1 x 51 2 x 795 mm
l. of assembly
5.102 CEAG SICHERHEITSTECHNIK GMBH
312.5
X247
312.5
X247
151
135
151
135
X225
175
X362.5
312.5
Type 744 21
Type 745 22
Dimensions in mm