SlimLine TA300DC series - Thermoplasic housing and impeller, dual ball bearings; corner flange construction designated by model number.
SlimLine TA450DC fans - Thermoplastic housing and impeller, dual ball bearings, reinforced corner flanges on housing.
TA450DC, TA500DC, TA600DC and all ac-powered fans - Metal housing, thermoplastic impeller, dual ball bearings.
Gamma blowers - Thermoplastic housing and impeller.
Gamma 26, Gamma 28 and Gamma 30 series have through-hole mounting.Single-flange mounting on Gamma 32. Bearing construction designated by design identity.
Thermoplastic housing and impeller, with dual ball bearings, open mounting flanges. Space between corner flanges is not reinforced.
Thermoplastic housing and impeller with dual ball bearings, closed flanges. Corners of the fan are closed or reinforced for mounting with bolts or screws through both sides.
Thermoplastic housing and impeller, NBR sleeve bearing, closed flanges: Corners of the fan are closed or reinforced for mounting with bolts or screws through both flanges.
Thermoplastic housing and impeller, NBR sleeve bearing. Mounting flange constrruction varies by fan series.
TA225DC: Corners of the fan are closed or reinforced for mounting with bolts or screws through both flanges.
TA300DC and TA350DC: open mounting flanges. Space between corner flanges is not reinforced.
FanSink® - combination fan and heat sink. Thermoplastic fan housing and impeller, metal plenum or heat sink structure. Bearing type and mounting configuration designated by the design identity.
Thermoplastic housing and impeller, NBR sleeve bearing, closed flanges: Corners of the fan are closed or reinforced for mounting with bolts or screws through both flanges.
Thermoplastic housing and impeller with NBR sleeve bearing, open mounting flanges: Space between corner flanges is not reinforced.
Thermoplastic housing and impeller, with dual ball bearings. Mounting flange construction varies by fan series.
TA225DC: Corners of the fan are closed or reinforced for mounting with bolts or screws through both flanges.
TA300DC and TA350DC: open mounting flanges. Space between corner flanges is not reinforced.
Thermoplastic housing and impeller with dual ball bearings, closed flanges: Corners of the fan are closed or reinforced for mounting with bolts or screws through both sides.
Vane axial design, thermoplastic housing and impeller with dual ball bearings, open mounting flanges: Space between corner flanges is not reinforced.
| Sequentially Assigned Design Identity |
| (Five-digit numeral: '34262' in the example above) |
| Suffix | Termination, Control and Monitoring Options | Suffix | Termination, Control and Monitoring Options | |
| 16 | 55 | |||
| 26 | 57 | |||
| 29 | 58 | |||
| 33 | 68 | |||
| 34 | 71 | |||
| 35 | 82 | |||
| 51 | 87 | |||
Color-coded power lead wires with stripped ends,
red (+),
black (-).
5V, TTL-compatible tachometer circuit (two square wave pulses per revolution, 50 percent duty cycle) terminated in a third lead wire.
Interactive control for tandem operation of two or more cooling fans for quiet, fail-safe operation.
Three lead wires with stripped ends, two power terminations:
red (+),
black (-).
Open-collector tachometer circuit terminated in a third lead wire (two square wave pulses per revolution, 50 percent duty cycle).
Maximum tachometer voltage is the maximum rated operating voltage.
Four lead wires with stripped ends, two power terminations:
red (+),
black (-).
Open-collector, low-pass/high-fail, locked rotor alarm circuit terminated in third lead wire.
Fan speed control circuit terminated in fourth lead.
Four lead wires with stripped ends, two power terminations:
red (+),
black (-).
Open-collector tachometer circuit terminated in a third lead wire (two square wave pulses per revolution).
Fan speed control circuit terminated in fourth lead.
Environmentally protected fan with custom adaptations to housing, motor components and wiring harness.
Fan power leads terminated as a customer-specified wiring harness, with connector.
Fan power leads and a Nidec "-68" open-collector, low-pass/high-fail locked rotor alarm circuit terminated in a customer-specified wiring harness, with connector.
Fan power leads and a Nidec "-33" open-collector tachometer circuit (two square wave pulses per prevolution) terminated in a customer-specified wiring harness, with connector.
Three lead wires with stripped ends, two power terminations:
red (+),
black (-).
Open-collector, low-pass/high-fail, locked rotor alarm circuit terminated in third lead wire.
Maximum alarm voltage is the maximum rated operating voltage.
Therrmally controlled fan employing a housing-mounted sensor, an open-collector, low-pass/high-fail locked rotor alarm circuit terminated in a third lead wire, and a customer-specified lead wire harness and connector.
Three lead wires with stripped ends, two power terminations:
red (+),
black (-).
Open-collector, high-pass/low-fail, locked rotor alarm circuit terminated in third lead wire.
Maximum alarm voltage is the maximum rated operating voltage.
Three lead wires with stripped ends, two power terminations:
red (+),
black (-).
Open-collector, low-pass/high-fail, non-isolated, non-latching, delayed, trip-point alarm circuit alarm circuit terminated in third lead wire.
| Circuit Identifier | Control Feature | Circuit Identifier | Control Feature | |
| A | Fan motor design uses IC commutation technology with one-chip sensor, logic and switching functions. |
G | Thermally controlled fan: Temperature-sensing thermistor mounted on the housing of the fan. | |
| C | Thermally controlled fan: Temperature-sensing thermistor at the end of two special lead wires. |
| Customer-Specified Feature |
| (Three or four characters, letters and/or numbers: 'XXX' in the example above) |