Superior Electric STABILINE WHR32 Series, Instructions Manual

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2.2. STANDARD MODEL NUMBER SYSTEM
The model number for each WHR Series voltage regulator identifies the various characteristics of that specific unit.
The following table explains the meaning of each character in a standard model number.
Typical Model Number WHR S 3 2 W T F32 T - CB D M T 3 6 7
WHR Wide Range High Power Regulator
S Transient Voltage Suppression §
1 Single Phase (Parallel Connected)
2 Single Phase (Parallel Series connected)
3 Three Phase (wye in / wye or delta out)
6 Three Phase (delta in / delta out) §
9 Three Phase (delta in / wye or delta out) w/ zig-zag §
1 Nominal Voltage 120-127 (100)
2 Nominal Voltage 208 X 220-230-240 (277)
4 Nominal Voltage 380-400-415 X 480
6 Nominal Voltage 480 X 600
N Narrow Range
W Wide Range
S Single Control
D Double Control
T Triple Control
LNN Size Code (3 or 4 digits)
R Rack Cabinet
T Tall Cabinet
CB Input Circuit Breaker
CS Input Circuit Breaker w/ 120vac Shunt Trip
CR Input Circuit Breaker w/ 120vac Under voltage Trip Release
D Delayed Output
M Manual Bypass Switch
T Tropicalization Treatment
0 No Meter Options
1 Ammeter(s)
2 Frequency Meter w/ Alarm Contacts
3 Both 1 & 2 above
0 No Alarm Circuit Options
4 Input Voltage Range Alarm(s)
5 Phase loss/Phase reversal Alarm
6 Both 4 & 5 above
0 No Miscellaneous Options
7 Manual Raise / Lower Switch(s)
8 Soft Start
9 Both 7 & 8 above
§ Base model numbers (no options) as shown in catalog include the characters up to the hyphen (-) with the
exclusion of the TVS and Delta options.
• For lettered options not selected the letters and spaces are omitted from the model number.
• The last three numbers in the model number are all used unless all three are zero then they are omitted.