Symcom 50R-400 Engineering Specification

ENGINEERING SPECIFICATION

PART 1 GENER AL

1.1 REFERENCES

1.2 WARRANTY

PART 2 PRODUCTS

2.1 MANUFACTURERS

The equipment specified shall be the Model 50R-400, manufactured by SymCom, Inc.

2.2 DESCRIPTION

2.3 Performance/DESIG N CRITERIA: SINGLE-PHASE VOLTAGE M ONITOR/PROTECTION REL AY

SYMCOM MODEL 50R-400 SINGLE-PHASE VOLTAGE MONITOR/PROTECTION RELAY

A. UL 508 Industrial Control Equipment – Underwriters Laboratories

A. Manufacturer Warranty: The manufacturer shall guarantee the equipment to be free from material and workmanship defects for a
period of five years from the date of manuf acture when installed and operated according to the manufacturer’s requirements.

A. Regulatory Requirements:

1. The equipment shall be UL Listed as type NKCR— Industrial Control Equipment-Motor Controllers-Auxiliary Devices.

2. The equipment shall be ULC Listed as type NKCR7—Industrial Control Equipment-Motor Controllers-Auxiliary Devices
Certified for Canada.

A. Protective Relay Functions

1. The equipment shall provide protection against the following conditions:
a. low voltage

B. Capabilities and Features

1. Inputs
a. The equipment shall accept single-phase input voltage range of 380-480VAC.
b. The equipment shall accept single-phase input voltage at 50/60Hz.

2. Outputs
a. The equipment shall include one Form C (SPDT) output relay. Contacts pilot duty rated 470VA@600VAC.

3. Functional Specifications
a. The equipment shall include:

1) a low voltage trip of 90% of nominal setting

2) a trip delay of 4 seconds

3) a restart delay of 2 seconds

4) voltage accuracy ±1%

b. The equipment shall include one indicator light. The indicator light has the capability to indicate run mode, restart delay

mode, or low voltage f ault condition.

C. Electromagnetic Compatibility

1. The equipment shall be immune to electrostatic discharge per IEC 61000-4-2, Level 3, 6kV contact discharge and 8kV air
discharge.

2. The equipment shall be immune to electrical fast transient bursts exceeding IEC 61000-4-4, Level 3. Specified limits shall be

3.5kV.

3. The equipment shall be immune to electrical surges per IEC 61000-4-5. Specified limits shall be ±6kV line-to-line and line-to­ground.

D. Dielectric Isolation: Equipment withstands an alternating current potential of 1000V plus twice the rated voltage of the equipment

for 1 minute without breakdown between uninsulated live parts and the enclosure with the contacts open and closed; between
terminals of opposite polarity with the contacts closed; and between uninsulated live parts of different circuits.

E. Environmental Requirements

1. The equipment shall operate continuously without derating in ambient temperatures of -20° to 70°C (-4° to 158°F).

2. The equipment shall operate continuously without derating in relative humidity of 10% up to 95% non-condensing per IEC 68­2-3.

3. The equipment shall operate properly after storage in ambient temperatures of -40° to 80°C (-40° to 176°F).

F. Dimensions: The equipment dimensions shall not exceed 2.93” H X 5.27” W X 2.95” D.

G. Mounting:

1. The equipment shall be surface mountable.

End of Section

ES-50R-400_A 6/16/2010