Pass-Through Terminal Blocks handle currents to 130 A.

Press Release Summary:

Operating over temperature range of -40 to +90ÂşC, UL-recognized OTB Series is suited for situations requiring transfer of outside high power sources to inside power panels. Products are rated for currents to 130 A @ 660 V per terminal block position, with series availability of up to 15 positions on each side of panel. Accepting 1-8 AWG wire range, series features external terminal covers and PBT (UL94V-O) polyamide housing material.

Original Press Release:

New UL Approved Hi-Power Pass-Through Terminal Blocks from Blockmaster

BlockMaster Electronics, Inc., Elk Grove Village, IL, announced UL recognition for its OTB Series of Hi-Power terminal blocks with a pass through current capability of up to 130 Amps.

The series is particularly useful in situations requiring the transfer of outside high power sources to inside power panels, and lend themselves to be particularly suitable for power supply, lighting, machine tool and off-the-road vehicle applications.

The UL recognized OTB Series is rated for currents of up to 130A @ 660V per terminal block position with series availability of up to 15 positions on each side of the panel. The series accepts a wire range of from 1 to 8 AWG within an operating temperature range of -40 to + 90ş C. All units within the series are furnished with external terminal covers, with the housing material of a PBT (UL94V-O) polyamide. Standard supplied color is black.

Pricing for an OTB-489 in four positions is currently quoted at $32.00 each in lots of 100 pieces. Delivery is from stock to 6 weeks ARO. Copies of detailed specification sheets, catalogs and requests for price and delivery may be obtained by contacting a local BlockMaster representative or distributor, or by contacting BlockMaster direct at:

1400 Howard Street, Elk Grove Village, IL 60007
Tel. (847) 956-1680.Fax: (847) 956-1690.
E-mail: Web site at

BlockMaster is committed to a program of solutions for terminal block and barrier strip applications for products delivered for world wide usages. Manufactured domestically and internationally, many of our products meet or exceed agency quality approval standards from around the world, including UL, CUL, VDE and CE. Our products are manufactured in state of the art facilities in China, Korea, Taiwan and the USA; many of whom hold ISO-9000 Certifications. BlockMaster products are sold globally through an extensive network of independently owned Manufacturer Representatives and stocking distributors.

Company Contact:
Dawn Kinzer at (847) 956-1680


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