| Explosion protection marking | 1Ex d IIB T6 Gb |
| Ingress protection | IP66 |
| Operating temperature range | -60 .. +60°С |
| Number of cable glands | 1-2 |
| Maximum cross-section of connected conductors | 2,5mm2 |
| Overall dimensions without cable glands | 335х180х130mm |
| Weight, max. | 10kg |
| Contact group | |
| Max. Voltage | |
| alternating current | ~660V |
| direct current | =440V |
| Maximum contact current | 10A |
| Minimum contact current | 0,05А |
| Type of load | Active / Inductive |
| Electrical wear resistance, VO cycles, no less than | |
| buttons | 6*105 |
| switches | 105 |
| Mechanical durability, VO cycles, not less than | |
| buttons | 3*106 |
| switches | 3*105 |
| Rated voltage of indicator lamps, direct current or alternating current | 24V, 220V |
Example of order information:
PKV MK -type B 1ExdIIBT6Gb - А[n(x1), n(x2), …] – B[x] – C[n(x1), n(x2), …] – D[x] -
- S[s1c1–k1–m1, s2c2–k2–m2, s3c3–k3–m3]
1 – type alarm control и explosion protection type: PKV MK -type B 1ExdIIBT6Gb;
2 – cable entry description area:
"A", "C" – markers of the description section of the large sides of the box А and С;
"B", "D" – markers of the section describing the small sides of the box B and D;
x, x1, x2… - types of cable glands:
G3/4K – For surface routing of the cable with diameter 6-18 mm;
G3/4B – For armoured cable with 6-18 mm outer diameter and up to 25 mm overall diameter;
G3/4T1/2 – For routing 6-14 mm cable in pipe with G 1/2 connection thread;
G3/4T3/4 – For routing 6-18 mm cable in pipe with G 3/4 connection thread;
G3/4КМ20, 3/4КМ25, 3/4КМ32 – For connecting cable with diameter up to 18 mm in metal hose RZTsH-20, -25, -32 mm.
3 – section describing typical controls:
“S” – marker of the description of typical controls;
s1, s2, s3 – control element symbol (see table «Typical controls») top-down order;
c – Colour (only for lamps and buttons К10, К11):
k – red; z – green; zh – yellow; ch – bleck;
k – type of contacts (only for buttons and switches):
NONO, NONC, NCNC, NC, NO;
m – explanatory inscription:
the text of the inscription in quotation marks is indicated, for example "START", it is desirable to use standard inscriptions;
for multi-position switches, the enumeration of the labels separated by commas is indicated in the order of increasing the number of the switch position, for example "POSITION 1", "POSITION 2".
Example of designation:
PKV MK -type B 1ExdIIBT6Gb – B[G3/4T1/2] – D[2(G3/4B)] – S[К11ch-NCNC-ш1, L24z-ш3, P30-NONC-ш6,ш10,ш9]
Control box with explosion protection marking «1Ex d IIB T6 Gb», cable gland For routing 6-14 mm cable in pipe with G 1/2 connection thread on the side В and two cable glands For armoured cable with 6-18 mm outer diameter and up to 25 mm overall diameter on the side D, black "START" button with fixation with two contacts NO+NO, green "OPERATION" indicator for voltage 24VAC, 3-position switch, 0-« OFF », I-« RIGHT », II-«Left » with two contacts NO+NC.
