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Smart Energy Solutions

ZERO-CROSS SCR CONTROLLERS

Zero Cross SCR Series

The Zero-Cross (Burst-Fired) Power Controllers are ideal for the control of purely resistive loads that can accommodate fast, full power, ON-OFF cycling, up to 1000A, 1 or 3 phases.

PRODUCT INFORMATION

When coupled with a time proportioning control, they operate in a series of full ON-OFF cycles known as time proportioning burst firing. The time proportional control accepts many control output signals and converts them into a time proportional signal determining the amount of full ON and full OFF cycles. A smooth power output to the load is therefore produced and the temperature, stabilized.

HOW IT WORKS
CONNECTIONS

TECHNOLOGY

An SCR power switch differs from other switches in its fast action. Indeed, while a contactor may cycle 3 times per minute, our SCR may do it approximately once per second. This fast SCR cycle time results in a final temperature closer to the desired set point and therefore reduces energy costs.

Unlike traditional mechanical control, the SCR modulates small increments of power to the load, and eliminates the overshoot and undershoot associated with mechanical control.

ADVANTAGES

  • Modulates the power nearest to the demand and reduces energy costs and power consumption
  • Keeps the temperature closer to the desired set point for best comfort
  • Higher precision, superior than mechanical contactors
  • Fast adjustment and installation
  • Zero-crossing operation and silent arcless switching
  • Cycles once per second; very fast and quiet
  • No maintenance necessary, due to less mechanical parts failure
  • Life expectancy higher than 1 000 000 000 operations
  • Does not create RFI (radio frequency interference) and will not affect sensitive electronic equipment
  • Epoxy thermally protected for humidity, overheat or contaminated environment protection
  • Protected from line voltage transients and more reliable in a variety of applications

APPLICATIONS

The technology behind our SCR electronic power controllers ensures a sustained energy input and a constant heat charge. They are ideal for the majority of commercial and industrial electric heaters, such as:

  • Duct heaters
  • Electronic boilers
  • Electric humidifiers
  • Industrial & commercial ovens and furnaces
  • Mine heaters
  • Integrated circuit processing equipment (models with enclosure only)
  • Temperature control
  • Electrical resistances

OPTIONS

  • NEMA-1 Enclosure
  • Temperature control
  • Semi-conductor fuses
  • Potentiometer

SPECIFICATIONS

  • Accepts multiple input signals: 0-135 Ohms, 0-10 Volts, 4-20 mA, 0-5 Volts.
  • Security factory of 2, i.e. 600 Volts surge protected and built for 1200 Volts.
  • Up to 1000A at one or three phases
  • CSA or cUL certified
  • Opto-isolated from high voltage
  • Also available for pneumatic control, thermally protected
  • Exclusive 2-year warranty.
  • The SCR can be placed inside a NEMA-4 control panel to suit any specific control requirement.

Zero-Cross SCR – Technical Data
CCS Model
Amps
Dimensions H” x W” x D” (without enclosure)
With Enclosure*
Quantity US Price
Spec sheet

CCS-15-1
15 4-3/8 x 4-3/4 x 2-5/8 A

182.00

CCS-15-3
15 6-1/2 x 4-3/4 x 2-5/8 A

232.00

CCS-15-3Y
15 8-1/2 x 4-3/4 x 2-5/8 A

334.00

CCS-30-1
30 4-3/8 x 4-3/4 x 2-5/8 A

215.00

CCS-30-3
30 6-1/2 x 4-3/4 x 2-5/8 A

258.00

CCS-30-3Y
30 8-1/2 x 4-3/4 x 2-5/8 A

388.00

CCS-40-1
40 6 x 4/3-4 x 2-5/8 A

222.00

CCS-40-3
40 8 x 4/3-4 x 2-5/8 B

358.00

CCS-40-3Y
40 10 x 4/3-4 x 2-5/8 B

539.00

CCS-50-1
50 6 x 4-3/4 x 3 A

352.00

CCS-50-3
50 10 x 4-3/4 x 3 B

523.00

CCS-50-3Y
50 10-1/2 x 6-3/8 x 7-21/32 C

787.00

CCS-75-1
75 6 x 4-3/4 x 3 A

526.00

CCS-75-3
75 10 x 4-3/4 x 3 B

635.00

CCS-75-3Y
75 10-1/2 x 6-3/8 x 7-21/32 C

875.00

CCS-90-1
90 6 x 4-3/4 x 3 A

643.00

CCS-90-3
90 10 x 4-3/4 x 3 B

875.00

CCS-90-3Y
90 10-1/2 x 6-3/8 x 7-21/32 C

1316.00

CCS-135-1
135 7-1/2 x 6-3/8 x 7-21/32 B

804.00

CCS-135-3
135 7-1/2 x 6-3/8 x 7-21/32 C

924.00

CCS-135-3Y
135 12 x 6-3/8 x 7-21/32 E

1658.00

CCS-165-1
165 7-1/2 x 6-3/8 x 7-21/32 B

1192.00

CCS-165-3
165 12 x 6-3/8 x 7-21/32 C

1486.00

CCS-165-3Y
165 15 x 6-3/8 x 7-21/32 E

2136.00

CCS-200-1
200 7-1/2 x 6-3/8 x 7-21/32 B

1455.00

CCS-200-3
200 12 x 6-3/8 x 7-21/32 C

2136.00

CCS-200-3Y
200 15 x 6-3/8 x 7-21/32 E

3045.00

CCS-250-1
250 12 x 6-3/8 x 8-1/16 C

1634.00

CCS-250-3
250 15 x 6-3/8 x 8-1/16 C

2358.00

CCS-250-3Y
250 32 x 28-1/2 x 8-1/8 SEE DRAWINGS

3450.00

CCS-300-1
300 12 x 6-3/8 x 8-1/16 C

1847.00

CCS-300-3
300 32 x 28-1/2 x 8-1/8 SEE DRAWINGS

2626.00

CCS-300-3Y
300 32 x 28-1/2 x 8-1/8 SEE DRAWINGS

3852.00

CCS-350-1
350 12 x 6-3/8 x 8-1/16 C

2059.00

CCS-350-3
350 32 x 28-1/2 x 8-1/8 SEE DRAWINGS

2841.00

CCS-350-3Y
350 32 x 28-1/2 x 8-1/8 SEE DRAWINGS

4179.00

CCS-400-1
400 15 x 6-3/8 x 9-1/2 C

2279.00

CCS-400-3
400 32 x 28-1/2 x 9-1/2 SEE DRAWINGS

3084.00

CCS-400-3Y
400 32 x 28-1/2 x 9-1/2 SEE DRAWINGS

4536.00

CCS-500-1
500 15 x 6-3/8 x 9-1/2 C

2519.00

CCS-500-3
500 32 x 28-1/2 x 9-1/2 SEE DRAWINGS

3392.00

CCS-500-3Y
500 32 x 28-1/2 x 9-1/2 SEE DRAWINGS

4995.00

CCS-600-3
600 39 x 33 x 10 SEE DRAWINGS C/F

CCS-750-3
750 39 x 33 x 10 SEE DRAWINGS C/F

CCS-1000-3
1000 39 x 33 x 10 SEE DRAWINGS C/F
* Enclosure Type A: 12 x 12 x 8 * Enclosure Type B: 12 x 16 x 12 * Enclosure Type C: 18 x 20 x 12 * Enclosure Type D: 5-1/2 x 9 x 4 * Enclosure Type E: 28 x 24 x 12-3/4 Note : – Pneumatic interface (analog) MIE-PN add $400.00 to list price – Enclosure “D” without xfo and terminal block – Enclosure A, C &C are complete with xfo and terminal block Terms : -Taxes extra – F.O.B. Quebec City – Delivery lead time : 5 days after credit is approved
Custom dimensions and Nema type on request

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