Lovato R1D. 1 operation threshold.

Lovato Electric

R1D Earth Leakage Relays

Lovato R1D. 1 operation threshold, flush mount, external current transformer. Adjustable tripping set points and delay time.

The Lovato R1D Earth Leakage Protection Relays are suitable for industrial circuit protection applications. The R1D’s adjustable tripping parameters (shown below) ensure the device is a versatile solution that can be easily adapted to the end user’s needs.


General Characteristics:

– Earth leakage relay type A.
– Green power LED indicator (ON).
– Red relay tripped LED indicator (TRIP).
– Front TEST and RESET buttons.
– Configurable, automatic or manual resetting.
– Flush mount 96 x 96mm housing with transparent cover.
– IEC protection degree: IP40 on front with cover, IP20 at terminals.
– Adjustments:
• Configurable tripping set point (IΔn):
25-250A. (with external multiplier RX10).
• Configurable tripping delay time (t):


Order Code Auxiliary Supply Voltage Output Contacts Weight (kg)
R1D48 24-48VAC/DC 1 0.280
R1D415 110-125VAC/DC, 220-240VAC, 380-415VAC. 1 0.280


(Please see attached PDF’s for further information)