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CRITEC® TDF Series - Transient Discriminating Filter
Designed for process control applications to protect the switched mode power supply units on devices such as PLC controllers, SCADA systems and motor controllers. Units are available for 3A, 10A and 20A loads and in a range of clamping voltages including 30V, 150V and 275V.
The range is intended for use in conjunction with ERICO's Universal Transient Barriers (UTBs) to provide a coordinated approach to protection of both the power and data control circuits.
The space efficient low pass filter, provides up to 62dB of attenuation to voltage transients to further reduce the steep rates of rise of voltage and current providing superior protection for sensitive electronic equipment. Features
- Compact design fits into most distribution panels and motor control centers
- High efficiency sine wave filtering - ideal for the protection of switched mode power supplies
- 35mm DIN rail mount
- Fail-safe LED indication and opto-isolated output for remote status monitoring
- High surge rating 50kA ensures long service life
- UL 1449 , UL 1283 and CSA 22.2 Recognized, C-Tick, CE Approved
- TDF3A120V is NOM Approved
- Transient Discriminating technology ensures safe operation during abnormal over-voltage events
Applications
- Power surge and transient protection for sensitive electrical and electronic loads
- PLCs
- SCADA
- Motor Controllers
- RTUs
- Protection of subcircuits or specific equipment which may be remote from point-of-entry protection
- Protection for rail and transit signal and communication systems
More Information
Ordering Information
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Warning, Warranty and Limitation of Liability
WARNING
ERICO products shall be installed and used only as indicated in ERICO's product instruction sheets and
training materials. Instruction sheets are available at www.erico.com and from your ERICO customer service
representative. Improper installation, misuse, misapplication or other failure to completely follow ERICO's
instructions and warnings may cause product malfunction, property damage, serious bodily injury and death.
WARRANTY
ERICO products are warranted to be free from defects in material and workmanship at the time of shipment.
NO OTHER WARRANTY, WHETHER EXPRESS OR IMPLIED (INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE), SHALL EXIST IN CONNECTION WITH THE SALE OR USE OF ANY ERICO PRODUCTS. Claims for errors,
shortages, defects or nonconformities ascertainable upon inspection must be made in writing within 5 days
after Buyer's receipt of products. All other claims must be made in writing to ERICO within 6 months from the
date of shipment or transport. Products claimed to be nonconforming or defective must, upon ERICO's prior
written approval in accordance with its standard terms and procedures governing returns, promptly be returned
to ERICO for inspection. Claims not made as provided above and within the applicable time period will be
barred. ERICO shall in no event be responsible if the products have not been stored or used in accordance
with its specifications and recommended procedures. ERICO will, at its option, either repair or replace
nonconforming or defective products for which it is responsible or return the purchase price to the Buyer.
THE FOREGOING STATES BUYER'S EXCLUSIVE REMEDY FOR ANY BREACH OF ERICO WARRANTY AND FOR ANY CLAIM, WHETHER
SOUNDING IN CONTRACT, TORT OR NEGLIGENCE, FOR LOSS OR INJURY CAUSED BY THE SALE OR USE OF ANY PRODUCT.
LIMITATION OF LIABILITY
ERICO excludes all liability except such liability that is directly attributable to the willful or gross
negligence of ERICO's employees. Should ERICO be held liable its liability shall in no event exceed the
total purchase price under the contract. ERICO SHALL IN NO EVENT BE RESPONSIBLE FOR ANY LOSS OF BUSINESS OR
PROFITS, DOWNTIME OR DELAY, LABOR, REPAIR OR MATERIAL COSTS OR ANY SIMILAR OR DISSIMILAR CONSEQUENTIAL LOSS
OR DAMAGE INCURRED BY BUYER.
Due to a policy of continued product development, specifications are subject to change without notice.
CADDY, CADWELD, CRITEC, ERICO, ERIFLEX, ERITECH, and LENTON are registered trademarks of ERICO
International Corporation.
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