Premises Distribution

66 Backboards & Post

66 Block Surge Protection

H Series modules are ultra high-speed fused solid-state secondary protectors for KEY/PABX systems. They attach to standard

66 split M150 blocks. These modules require the 44-66MGB ground rail for each block used in order for the fuses to work.

HCO – CO Lines HAE – Analog Extensions HDE – Digital Extensions

MODEL #	BREAKDOWN VOLTAGE	MAX PEAK PULSE CURRENT Ip 10 x 1000μs	TYPICAL CAPACITANCE (pf)	MAX CONTINOUS CURRENT
44-66HCO	270	200A	100	145mA
44-66HAE	200	200A	100	145mA
44-66HDE	65	200A	100	160mA
44-66MGB	Ground Rail

Backboards

Backboards are used to mount 66-Type connecting blocks. Backboards are equipped with 89B brackets. Constructed with enameled finished steel with fire retardant brackets.

MODEL #	DESCRIPTION
44-66BB-A183A1	4 Bracket, Blue Backboard, 20" x 8.5"
44-66BB-A183B1	8 Bracket, Blue Backboard, 20" x 17"
44-66BB-A183C1	2 Bracket, Blue Backboard, 10" x 8.5"

44-66BB-A183B1 44-66BB-A183A1

Distribution Posts

MODEL #	DESCRIPTION
90-91S	Plastic Post With Screw
90-91	Plastic Post Without Screw

90-91S

“D” Style Rings

MODEL #	DESCRIPTION
44-764-2.0	2.0 in. Metal D Ring, A=4 ¾" B=2 ¾" C=2"
44-764-3.5	3.5 in. Metal D Ring, A=6" B=3 ¾" C=3 ½"
44-765-5.0	5.0 in. Metal D Ring, A=8" B=3 ¾" C=5 ¼"
44-766-2.0	2.0 in. Plastic D Ring, A=4 ¾" B=2 ¾" C=2"
44-767-3.5	3.5 in. Plastic D Ring, A=6" B=3 ¾" C=3 ½"
44-767-5.0	5.0 in. Plastic D Ring, A=8" B=3 ¾" C=5 ¼"