20B is one of the common specifications of NEMA cable ladder. Data Information. Cable Laying Depth: 109mm; Height: 130mm; Width: 150-600mm; Standard Length: 3-6m; The LONGJOY NEMA cable ladder is a cable support system, with the following characteristics and uses: Stable structure and high strength.

Besca Nema Cable Ladder Series range of cable ladder support systems,inculde a comprehensive range of steel and aluminum cable ladders which load rated to NEMAVE1 and verifited by testing. N12B/16A/20B/20C H. 6 meter available. Material & Finish. Hot Dip Galvanized / HDG – for outdoor use to BS EN ISO 1461.

NEMA standard No. VE 1 is published by the National Electrical Manufacturers Association (NEMA) in the USA. This Standard provides the technical requirements of construction, performance and testing of cable tray systems.

Hubbell’s NEXTFRAME® Ladder Tray is the effective and widely used cable runway that supports and delivers bundles of cable between cabinets, racks, and closets, along walls, and suspended from ceilings. The Ladder Tray features light, rugged, tubular steel construction.

详细信息 的 nema 20b电缆桥架: nema 20b电缆桥架的优点: 1.成本低，与标准传统托盘产品相比，成本节约显著。 2.重量轻，尺寸范围广。 3.快速散热。 4.强大到足以承受短路。提供强度、刚度，无需额外的硬件。 5.适应困难的建筑设计，以适应电缆运行方向和标高的 ...

Nema 20B 20C电缆梯梯托盘BS EN 61537:2007电缆管理条款10.4钢100-400千克在尺寸上具有峰值盖 暂无评价 Shanghai Hdmann Industry Co., Ltd. 实力工厂 13 yrs CN

NEMA 20B – Steel Ladder Home / Products / NEMA Cable Ladder / Steel Cable Ladder / NEMA 20B – Steel Ladder . Technical Data. Cable Laying Depth: 109mm; Load Rating: 136kg/lin.m on 6m span 544kg/lin.m on 3m span; Available in 6m lengths; Rung Spacing: 300mm nominal;

Cable Laying Depth: 109mm. Loading Data: Basic Load Capacity 136kg/lin.m on 6m span. Rung Spacing: 300mm nominal.

Simple design consisting of side rails with rungs connected. The rungs are perforated, which makes it easy to fasten cable ties or cable cleats directly onto the ladder. Suited for electrical, instrumentation and telecommunications cables. Can support heavy cables, cable bundles and pipes at long support spans.

nema 12b/16a/20b/20c 梯式桥架直通 表面 & 材质 材质可供以下几种选择：碳钢、镀锌板、铝合金、 304L 、 316L 、玻璃钢（ FRP ）。