Nuts and Volts - February 2018

waveform capture rate • Standard LAN and USBTMC-compliant USB device port

THREE-POLE HIGH

POWER BLOCK

BlockMaster Electronics, Inc., announces a new extension to its existing line of high output power modular feed-through terminal blocks, designed specifically for DIN rail or panel mounting.

The new three-pole high power block is rated at 90 amps and 600 volts and is well-suited for high power distribution in electrical panels. This high power block snaps onto a DIN rail or mounts onto a panel.

Applications include: • Panels • CNC equipment • Standby generators • Switch gear • HVAC equipment • Water pumps • Other industrial and commercial applications Multiple HP-RTG-C power blocks may be ganged together or used individually. Its termination accommodates 2 to 12 AWG wire and is configured as follows: LINE SIDE:

1/4-28 UNF Slot LOAD SIDE:

1/4-28 UNF Slot The HP-RTG-C high power terminal block complies with UL and CSA Standards, as well as RoHS, • Rated:

600 volts,

90 amps • Operating Temperature: - 25°C to +150°C. • Housing: PA 66 (UL94V-0) • Terminals: Copper — Current conducting plate. Stainless Steel — Terminal frame • Withstanding Voltage: AC

2,500V

TENT ENCLOSURES

FOR BENCHTOP PRECOMPLIANCE TESTS

Saelig Company, Inc., announces the TekBox TBST120/60/60/2

Shielded Tent which provides an economical RF/EMI-attenuated environment for a variety of benchtop “EMI quiet” applications.

The TBST-120/60/60/2 is a compact shielded tent, designed to suppress interference from ambient noise during EMC pre-compliance measurements. With an outer dimension of 4’ x 2’ x 2’, it can accommodate pre-compliance test equipment such as LISNs or TEM-cells or others, as well as the device under test, yet easily fit on a test bench.

The TBST-120/60/60/2 shielded tent has been designed with two layers of conductive fabric, suspended on rigid aluminum supports; the double-layer design significantly improving the tent’s shielding effectiveness.

A filter panel mounted at the side provides one 240V/10A AC filter, two 240V/10A DC filters, and four coaxial feed through adapters with screw caps. The front opening provides access to the test space and is closed using conductive hook-and-loop tape in order to avoid compromising the shielding efficacy.

When measuring the conducted noise spectrum of a powered device being tested in an unshielded setup, conducted noise to be measured is often hidden below the ambient noise level, making accurate measurements impossible without eliminating the interference.

Most shielded environments have previously been prohibitively expensive for many situations, but the TekBox shielded solution is now available at under $2,000.