• Sizes: .50” x .50” to 12” x 24” (.25” increments)
• Shapes: Squares, rectangles and odd shapes in .25” increments
• Heights: .13” to 2.00”
• Mounting Pins: .50” or 1.00” spacing
• Surface Mount: Available for all 10 and 20 series CBS
• Std Material: .015” (,38) pre-tin plated steel
• Cover Retention: 1.5 - 2.5 lb./linear inch
• Shielding Effectiveness: up to 60 dB

• Formed fence and cover - unassembled (F)
• Assembled fence and cover (A)
• Flat fence and formed cover (U)
• Pre-tin plated Phos Bronze (P), Alloy 770 (N)
• Ventilation holes (SV 15% or DV 30%)

• 1. Select your style number - “21-CBS”
• 2. Choose standard options listed above - “21-CBS FNSV”
• 3. Specify your width in .25” increments from .50” to 12.00” - “21-CBSFNSV-2.5”
• 4. Specify your length in .25” increments from .50” to 24.00” - “21-CBSFNSV-2.5x4.5”
• 5. Specify your height from board to inside cover from .13” to 2.00” “21-CBSFNSV-2.5x4.5x.225”

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• Drawings in figures 1-6 are not to scale; see chart for sizing
• Standard material .015” (,38) pre-tin plated steel
• Other cover heights available, consult factory
• Standard cover height: .115” (2,92) 10-CBS .185” (4,70) 20-CBS