Electronic Motor Protection Product Overview

Overload Relays

Bulletin	193-ED	193-EE	193-EC1	193-EC2/EC3	193-EC5	193-EC4
Type	E1 Plus Electronic Overload Relay	E1 Plus Electronic Overload Relay	E3 Electronic Overload Relay	E3 Plus Electronic Overload Relay		E3 Plus Current Monitoring Relay
Rated Current (Range)	0.1…45 A	0.1…800 A	0.4…5000 A
NEMA Operating Voltage, Nominal	—	600V	600V
IEC Operating Voltage, Nominal	690V	690/1000V	690/1000V
Overload Type	Electronic Overload	Electronic Overload	Microprocessor-Based
Trip Class (Fixed)	10	—	—
Trip Class (Adjustable)	—	10, 15, 20, 30	5…30			—
Ambient Temperature Compensated	ü	ü	ü			—
Reset Type	Manual Only	Automatic and Manual	Automatic and Manual
Adjustment Range	5:1	5:1	5:1
Phase Loss	3 s	3 s	Adjustable Delay			—
Ground (Earth) Fault	—	Optional	—	Sensitive	Sensitive	Sensitive
Overcurrent (Jam) Detection	—	Optional	ü	ü	ü	—
Stall Detection	—	—	ü	ü	ü	—
Underload Detection	—	—	ü	ü	ü	—
Current Imbalance	—	—	ü	ü	ü	—
PTC Thermistor Monitoring	—	Optional	—	ü	—	—
Warning Settings	—	—	ü	ü	ü	ü
N.C. Trip Contact	ü	ü	ü	ü	ü	ü
N.O. Alarm Contact	ü	ü	—	—	—	—
No. of Outputs	—	—	1	2	2	2
No. of Inputs	—	—	2	4	6	4
ODVA (DeviceNet) Conformance	—	Optional	ü	ü	ü	ü
Variable Frequency Drive (VFD) Compatible	—	—	ü	ü	ü	ü

Overload Relays & Modular Protection System

Bulletin	193-K	193-T1	825-P
Type	Bimetallic Overload Relay		Modular Protection System
Rated Current (Range)	0.1…12.5 A	0.1…90 A	0.5…5000 A
Operating Voltage, Nominal	600V		120…240V AC/DC, 24…48V DC
Overload Type	Bimetallic		Microprocessor based
Trip Class (Fixed)	10	10	—
Ambient Temperature Compensated	ü	ü	ü
Reset Type	Automatic and Manual	Automatic and Manual	Automatic and Manual
Adjustment Range	1.5:1	1.5:1	—
Phase Loss	Normal Sensing	Normal Sensing	Adjustable delay
N.C. Trip Contact	ü	ü	ü
N.O. Alarm Contact	ü	ü	ü
Variable Frequency Drive (VFD) Compatible	ü	ü	ü