
17
EBARA
PUMPS AMERICAS CORPORATION
www.pumpsebara.com
(t) 803.327.5005 (f) 803.327.5097
rev. 01/21
EBARA Submersible Sewage Pumps
Operating, Installation, and Maintenance
DL3FU / DL3MFU / DL3KFU / DL3KMFU / DDL3FU / DV3FU/ DML3FU
INSTRUCTION MANUAL
P.16
PM32U
4.3 Protective Device Leads Connection (Table 4)
This pump has a leakage detector at the motor bottom, and a thermal detector in the stator coil
to protect the motor. Connect terminals P1 and P2 for the thermal detector to P1 and P2 of the
same control connector. Also, connect terminals P3 and P4 for the leakage detector to P3 and
P4 of the same control connector. Table 4 shows detailed specifications regarding protective
devices.
Table 4
Thermal detector
Leakage detector
Type
9700K 66-215
OLV-5 (float type)
Acting Temperature
Reset Temperature
140 +/- 5
o
C
85 +/- 10
o
C
N/A
Contact rating
AC 115V/230V×18A/12A (max)
AC 300V×0.5A (max)
Contact type
normally closed (b-contact)
normally closed (b-contact)
Cable terminal
identification
P1
P2
P3
P4
WARNING:
AN EARTH LEAKAGE BREAKER MUST BE USED ACCORDING TO LAW
TO PREVENT ELECTRICAL ACCIDENTS.
CAUTION:
A MOTOR PROTECTIVE DEVICE
SHOULD BE INSTALLED ON CONTROL
PANEL TO PROTECT THE SUBMERSIBLE MOTOR AGAINST OVERCURRENT, OPEN
PHASE, REVERSE PHASE.
!
!
Float Type Reed Switch