The ESR4-NV30-30 is a dual-channel safety relay rated for 24 V DC operation. It provides an off-delay function adjustable from 1.5 seconds to 30 seconds. The unit includes two enabling paths and one signal contact. It complies with IEC/EN 60204 for Stop Category 0 and Stop Category 1. No additional contacts—delayed or non-delayed—are specified beyond those stated in the source. All functional capabilities and compliance statements derive solely from the provided technical facts.
| Electrical rating | |
| Voltage Rating | 24V DC |
| Physical details | |
| Type | Safety relay |
| General information | |
| Standards | IEC/EN 60204 Stop Category 0/1 compliant |
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