Further information for Moeller 235865 PFR3-03-S/A RCD 25 A
Specially coordinated residual current relays and through-hole transformers, nominal residual currents 0.3 A and 1 A, standard (-S/A) and inverter-proof (-U) design, auxiliary switch can be retrofitted, suitable for outdoor use (construction site power and outdoor distribution) down to -25°C