User manual for Bosch DKM 2014/2 and DM 1103 B-Ex manual call points designed for explosive zones 1 and 2.
This document details the installation, operation, and technical specifications of Bosch’s DKM 2014/2 and DM 1103 B-Ex manual call points for use in explosive areas. It includes wiring and safety barrier requirements, certifications, and physical specifications. The devices are designed for manual alarm activation in hazardous zones and feature weatherproof housings with specific mounting and reset procedures.
Installation guidelines specify mounting height, location along escape routes, and compliance with VdS/VDE standards. Technical specs cover operating voltage, contact type, cable entry, housing material, dimensions, weight, protection class, temperature range, and explosion-proof classification for each model.
| Operating Voltage | 20 - 26.5 V DC |
|---|---|
| Switch Contact Type | Type 366 (encapsulated), II 2 G EEx d II C |
| Maximum Contact Load | 5 A / 250 V AC 0,25 A / 250 V DC |
| Cable Entry | 1x M16 x 1.5 tightening diameter 4‑8 mm, EEx e II |
| Housing Material | Polyester, glass fiber reinforced |
| Colors | Red, RAL 3001 |
| Dimensions | 136 x 138 x 88 mm |
| Weight | Approx. 1800 g |
| Protection Class | IP 66 |
| Permissible Operating Temperature | -25 °C to +40 °C |
| Ex Classification | Eex emd IIC T6 |
| Operating Voltage | 16V DC to 28V DC |
| Housing Material | Plastic, PC |
| Color | Red, RAL 3000 |
| Dimensions | 134.4 x 134.4 x 43.5 mm |
| Weight | Approx. 200 g |
| Protection Class | IP 54 |
| Permissible Operating Temperature | -25 °C to +60 °C |
| Permissible Storage Temperature | -30 °C to +75 °C |
| Permissible Relative Humidity | ≤100% at T≤34 °C |
| Ex Classification | EEx ib IIC T4 |
| Input Voltage | ≤ 28 V |
| Input Current | ≤ 100 mA |
| Input Power | ≤ 700 mW |
| Internal Inductivity | 0 mH |
| Internal Capacitance | 0 nF |
Maximum contact load is 5 A / 250 V AC and 0.25 A / 250 V DC.
Protection class is IP 66 as per EN 60529.
Permissible operating temperature is -25 °C to +60 °C.