ZH437 Exxx fusible links are for use with the series ZH437 overtemperature protection devices as well as the series ZH437 K, ZH437 K VA, ZH437 K‑H and ZH437 K-K3 tripping devices.
| Ordering code | Trip temperature | Colour code |
|---|---|---|
| ZH437 E090 | 90 °C | black |
| ZH437 E103 | 103 °C | blue |
| ZH437 E130 | 130 °C | green |
| ZH437 E150 | 150 °C | red |
| ZH437 E175 | 175 °C | grey |
| ZH437 E200 | 200 °C | yellow |
| ZH437 E236 | 236 °C | white |