MTL (Eaton) MTL7089 MTL7089 shunt-diode Zener safety barrier — the classic passive IS barrier. 28V / 300 ohm for 4-20mA transmitters. Requires external IS ground busbar.
| Material | PC housing |
| Standard | IEC/EN 60079-11 |
| Temperature range | -20°C to +60°C |
| IP rating | IP20 |
| Approval | ATEX II (1)G [Ex ia Ga] IIC, IECEx, FM, SIL 3, CE, DNV |
| Standards | IECEx, End-to-end, DIN 35, IEC 60079-11 |
| Approvals | DNV, CE, ATEX, IECEx |
| HS code | 8536.30 |
| Material | PC housing |
| Temperature range | -20°C to +60°C |
| IP rating | IP20 |
| Primary standard | IEC/EN 60079-11 |
| MOQ | 1 |
Requires properly bonded IS ground <1 ohm.