Material ID 860647713
Rev B, V.05, February 2022
Page 3
38 Pages
Section 1. Overview and Specifications
This guide provides instruction on how to install a CMC-21, CMC-28, or CMC 35 cabinet onto a concrete
pad or steel structure, pole or wall / H-frame mounting, and battery installation.
Common Features
■ All cabinets have same mounting footprint – Figure 20
■ Door with padlock, open/close turn-latches - Figure 1
■ LED light and door intrusion switches - Figure 3
■ With thermosiphon or air conditioner - Figure 6 and Figure 7
■ Ground bar (8-pos) - Figure 3
■ Convenience outlet, GFCI (20 A) - Figure 3
■ Optional 7RU or 8RU compartment divider and door baffle - Figure 3
■ Large format allows only 23-inch rack mounting
■ Main earth ground lugs, bottom rear - Figure 2
■ Rear access panel with open/close turn-latches and padlocks and environmental vents - Figure 2
■ Side wall, rear, and floor knockouts for cable ingress/egress - Figure 2
► Reference Documents and Manuals
Make sure to have these documents provided with the cabinet in hand at time of installation and refer to
them as needed.
■ Installation Guide – This document
■ Equipment Manuals – Vendor manuals pertaining to equipment installed in the cabinet, such as a
power system.
► Cabinet Weights (approximate)
CMC-21
■ Empty Max Weight (no batteries, with or without equipment): 167-271 lbs. (76-123 Kgs)
■ Weight with Pallet (no batteries): 193-297 lbs. (88-135 Kgs)
■ Cabinet Weight with Batteries (after installation): See Table C, page 5
CMC-28
■ Empty Max Weight (no batteries, with or without equipment): 203-363 lbs. (92-165 Kgs)
■ Weight with Pallet (no batteries): 229-389 lbs. (104-176 Kgs)
■ Cabinet Weight with Batteries (after installation): See Table C, page 5
CMC-35
■ Empty Max Weight (no batteries, with or without equipment): 275-435 lbs. (125-197 Kgs)
■ Weight with Pallet (no batteries): 301-461 lbs. (137-209 Kgs)
■ Cabinet Weight with Batteries (after installation): See Table C, page 5
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