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SH4 Burst Firing Heater Controller

R 12 847.80R 21 048.45 Incl . VAT

  • Supply Voltage (Specify when Ordering) : 380V or 525V
  • Supply Frequency : 47Hz to 63Hz
  • Operating Temperature : 0หšC to 45หš for fan cooling
  • Storage Temperature : -10หšC to 80หšC
  • Input Signal: 0-5Vdc , 0-10Vdc , 4-20m-300 Ohm Max
  • Cycle Time ( half power) Units <100A : Fast cycle: 120m Sec to 700m Sec, Slow cycle: 0.8 Sec to 5 Sec.
  • Cycle Time( half power) Units >100A : Fast cycle: 0.8 Sec to 5 Sec, Slow Cycle: 10 Sec to 2 Min
  • Isolation : Control inputs are completely isolated from the loads supplies;ย  2500V RMS

Please note: Units are made to order with a lead time of 4-6 weeks.

*Dispatched/Collection in 4-6 Weeks
**Please wait for collection notification before collecting

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Description

Saftronics SH4 Burst Firing Heater Controller

Saftronics Heater Controller SH4 series are solid state, burst firing controllers for three phase resistance loads.

Each controller contains 4 x SCR’s in the power circuit. The power circuit is controlled by means of a Saftronics SH4 series control card.

Saftronics solid-state controllers are constructed in a manner, which permits rapid removal, and replacement of PC boards, SCR’s, control
fuses, etc. This ensures minimum downtime in the unlikely event of failure of one of these devices.

In the case of loss, or insufficient cooling air resulting in overheating of the heat sink, a thermal switch will open and shut down the controller thereby protecting the SCR’s from excessive heating.

The Saftronics SH4 range of heater controllers covers power ratings from 70kW to 730kW with 380V or 525V supplies as standard. Larger powers and different voltages are available on request.

Features:

  • Adjustable Cycle and Span time
  • dv/dt protection
  • Fuse Protection
  • CE Approved (Optional)
  • Less than 1% Harmonics

 

Read about the difference between Burst Firing and Phase Angle heater controllers here.

Datasheets & Manuals

SH4 Data Sheet
SH4 Manual 2024
2 documents

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Shipping & Delivery

Shipping & Delivery Policy

Order Processing and Dispatch

  • Orders are shipped only once payment has been successfully confirmed.
  • Upon confirmation, orders are typically dispatched within 1-2 working days.
  • Orders placed after 11:00 AM on Fridays, or on weekends or public holidays, will only be processed on the next business day.

Delivery Times

  • Estimated delivery is within 3-5 business days from the dispatch date.
  • Delivery times may vary based on location, courier availability, and external conditions.

Collection

  • Collection is available for customers who select this option at checkout.
  • Please wait for a collection notice via email before arriving to collect your order.

Additional Information

  • We aim to ensure timely delivery but are not responsible for delays caused by courier services or unforeseen circumstances.
  • If you have any questions about your order status, please contact our customer service team for assistance.
  • Saftronics (Pty) Ltd will not be held liable for any transport damages or losses that may be incurred during transit, via theft, looting, hijacking, fire, mishandling, negligence, acts of God, or any other cause that is out of our control [force majeure].

Refund Policy

  • A minimum of 15% handling fee will be levied on goods returned due to no fault of ours if return is made after 7 working days, and if the goods have been correctly processed and delivered provided goods are returned in there original packaging.
  • Any goods returned will first be subject to a full Technical inspection, should there be any damage to the unit. SAFTRONICS reserves the right to decline the return or charge a larger handling fee.

Price Policy

All prices listed in this online store including shipping costs are purely indicative and are subject to fluctuations based on the prices of our suppliers. Quoted prices may change without notice until we provide you with the final proforma invoice with bank details for payment.