Basler Electric ES Series Protection Relays provide a
wide range of functions with the following common
specifications:
Power Supply
All units are self-powered except for the ES-37, ES-51,
ES-37/51, ES-49, ES-74S, and ES-74V relays.
ES Relay Model Nominal Sensing Input
25, 27, 59, 32, 47,
47N, 55, 81O, 81U
120, 208, 240, 380,
415 or 480 Vac*
32, 37, 51, 55 5 A (or 1 A for 55)
74S 50 or 100 mVdc
74V 1, 10, 100, or 125 Vdc
49 10 ? Cu or 100 ? Pt
*For other nominal voltages, contact Basler Electric
Output
Relay Type: SPDT (form-C)
AC Rating:
Make and Carry: 250 V, 5 A
Break Resistive or Inductive: 0.3 A at 250 V
(L/R=0.04 max.)
