ENGINEERING SPECIFICATION
SYMCOM MODEL 102A / 102A-2 / 102A-3 / 102A-9 / 102-600 3-PHASE VOLTAGE MONITOR/PROTECTION RELAY
PART 1 GENERAL
1.1 REFERENCES
A. UL 508 Industrial Control Equipment – Underwriters Laboratories
1.2 WARRANTY
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 manufacture when installed and operated according to the manufacturer’s requirements.
PART 2 PRODUCTS
2.1 MANUFACTURERS
For Model 102A
The equipment specified shall be the Model 102A, manufactured by SymCom, Inc.
For Model 102A-2
The equipment specified shall be the Model 102A-2, manufactured by SymCom, Inc.
For Model 102A-3
The equipment specified shall be the Model 102A-3, manufactured by SymCom, Inc.
For Model 102A-9
The equipment specified shall be the Model 102A-9, manufactured by SymCom, Inc.
For Model 102-600
The equipment specified shall be the Model 102-600, manufactured by SymCom, Inc.
2.2 DESCRIPTION
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
2.3 PERFORMANCE/DESIGN CRITERIA: 3-PHASE VOLTAGE MONITOR/PROTECTION RELAY
Certified for Canada.
A. Protective Relay Functions
1. The equipment shall provide protection against the following conditions:
a. phase loss (single phasing)
b. phase reversal
c. low voltage
d. voltage unbalance
For Model 102A-9 Only
e. high voltage
For Model 102A-2 Only
e. rapid cycling due to power faults*
B. Capabilities and Features
1. Inputs
For Model 102A, 102A-2, 102A-3 and 102A-9
a. The product shall accept 3-phase input voltage range of 190-480VAC, adjustable.
For Model 102-600
a. The product shall accept 3-phase input voltage range of 475-600VAC, adjustable.
For All Models
b. The product shall accept 3-phase input voltage at 50/60 Hz.
2. Outputs
a. The equipment shall include one Form C (SPDT) output relay. Contacts pilot duty rated 480VA@240VAC. Contacts
general purpose rated 10A@240VAC.
3. The equipment shall include:
For All Models
a. a low voltage trip point of 90% of nominal setting
b. a phase unbalance trip point of 6%
c. voltage accuracy ±1%
For Model 102A only
e. a trip delay of 4 seconds for low voltage and a trip delay of 2 seconds for unbalanced & phasing faults
f. a restart delay of 2 seconds
For Model 102A-2 only
e. a trip delay of 4 seconds for low voltage and a trip delay of 2 seconds for unbalanced & phasing faults
f. a manual reset, standard, with adjustable restart delay of 2-300 seconds
*Using the adjustable restart delay to increase time before restart after a fault.
ES-102A-X_A1 4/7/2010
For Model 102A-3 only
e. an adjustable trip delay for low voltage of 2–30 seconds
f. a restart delay of 2 seconds
For Model 102A-9 only
e. a high voltage trip point of 110% of nominal setting
f. a trip delay of 4 seconds for high/low voltage and a trip delay of 2 seconds for unbalanced & phasing faults
g. a restart delay of 2 seconds
For Model 102-600 only
e. a trip delay of 4 seconds for low voltage and a trip delay of 2 seconds for unbalanced & phasing faults
f. a restart delay of 2 seconds
4. The equipment shall have one indicator light. The light scheme shall have the capability to indicate whether the phase monitor
is in run mode, restart delay mode, or fault mode.
For Models 102A, 102A-2, 102A-3, 102-600
1) Fault modes shall be low voltage, unbalance/single phase and phase reversal.
For Model 102A-9
2) Fault modes shall be high voltage, low voltage, unbalance/single phase and phase reversal.
C. Electromagnetic Compatibility
1. The equipment shall be immune to electrical surges per IEC 61000-4-5. Specified limits shall be ±6kV line-to-line and
line-to-ground.
2. The equipment shall be immune to electrical fast transient bursts exceeding IEC 61000-4-4, Level 3. Specified limits shall
be 4kV input power, 2kV inputs/outputs.
3. The equipment shall be immune to electrostatic discharge per IEC 61000-4-2, Level 3, 6kV contact discharge and 8kV air
discharge.
D. Dielectric Isolation: Equipment withstands an alter nating 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 -40° to 70°C (-40° to 158°F).
2. The equipment shall operate continuously without derating in relative humidity of up to 95% non-condensing per IEC 68-2-
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 2.90” high X 5.25” wide X 2.913” deep.
G. Mounting:
1. The equipment shall be surface mountable.
End of Section
ES-102A-X_A1 4/7/2010
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