The Euchner CMS-R-BZB-03V is a magnetic, reed-contact read head (design B) for use with ESM safety evaluation units, fitted with a 3 m PVC hard-wired cable terminated in cable end sleeves. It provides two NO contacts, each internally fused at 100 mA, with a switching voltage of 24...35 V DC and a maximum switching delay of 26 ms. The housing is fibre glass reinforced PPS with an IP67 degree of protection, allowing mounting in any orientation across an ambient temperature range of -20 to 60°C. It is typically used in safety circuits for guard monitoring on machinery, in conjunction with ESM-BA2.. and ESM-BA3.. evaluation units.
Key specifications
| Fuse | |
| Power supply / safety contacts, external contact protection | Fuse 10 A gG (Parameter dependent on the evaluation units ESM-BA2.. and ESM-BA3..) |
| Rated conditional short-circuit current | 100 A (Parameter dependent on the evaluation units ESM-BA2.. and ESM-BA3..) |
| Electrical switching frequency | |
| At nominal current 8 A | max. 0.1 Hz (Parameter dependent on the evaluation units ESM-BA2.. and ESM-BA3..) |
| at I_min = 10 mA | max. 5 Hz (Parameter dependent on the evaluation units ESM-BA2.. and ESM-BA3..) |
| Switching voltage | 24 ... 35 V (DC) |
| Switching voltage according to UL | |
| according to UL Class 2 | max. 24 V AC/DC |
| Switching current | max. 100 mA |
| Switching characteristics | parallel |
| Switching delay from state change | max. 26 ms (Parameter dependent on the evaluation units ESM-BA2.. and ESM-BA3..) |
| Connection type | Hard-wired encapsulated cable with cable end sleeves 0.34 mm2 |
| Number of NO contacts | 2 NO contacts with internal fuse, 100 mA each |
| Tightening torque | 0.4 ... 0.5 Nm |
| Design | B |
| Installation orientation | any |
| Cable length | 3 m |
| Mechanical life | 100 x 10⁶ |
| Degree of protection | IP67 |
| Ambient temperature | -20 to 60 °C |
| Material | |
| Cable material | PVC |
| Housing | Fiber glass reinforced PPS |
| Method of operation | magnetic, reed contact |
| Item designation | CMS-R-BZB-03V |
| Gross weight | 0,185kg |
| Customs tariff number | 85389099990 |
| ECLASS | 27-27-24-02 Safety-related magnetic proximity switch |