1400 Howard Street
Elk Grove Village, IL 60007
Phone: (800) 595-8881
www.BLOCKMASTER.com
JB7 Series Data Sheet
Modular, Color-Coded Terminal Blocks
Modular, Color-Coded
Terminal Blocks
Never content to sell the same old blocks, we at BlockMaster
have pushed the envelope yet again with another innovative
series. This time
we’re
targeting a very important segment of
our customer base: the field engineers.
We’re
sure
they’ll
be
happy to know that with our two lines of Jelly Beans terminal
blocks,
they’ll
never again have to worry about the age-old
problem of incorrect field wiring. Both products can have a
different color for each position, helping to eliminate
installation mistakes.
The JB Series are modular, barrier-style terminal blocks that
offer the ability to
color-code each terminal to match
customer wiring. This allows for the separation of line voltage
from signal inputs and outputs. Single circuit modules snap
together to form nearly infinite circuit configurations, and each
position can be any of ten available colors. Standard design
features include break-resistant barriers, standoffs for flux
cleaning, and ready-to-wire screws. A full range of terminal
configurations are offered on industry standard center-to-center
spacings of 7/16” (0.437” or 11.1 mm).
Eliminate the Problem of
Field Installation
Mistakes!
JB7 Series
JB Series: Modular,
Barrier-Style Blocks
Terminal Styles
Features
Modular construction for customer-specified length
10 Colors available for color-coding applications
Standoffs for improved flux removal
7/16” Centers (0.437”/11.1 mm)
UL Recognized
–
20A at 600V
Wire-ready; raised screws for 12AWG to 22AWG wire
1400 Howard Street
Elk Grove Village, IL 60007
Phone: (800) 595-8881
www.BLOCKMASTER.com
JB7 Series Data Sheet
Modular, Color-Coded Terminal Blocks
Specifications
Housing Material: Thermoplastic polyamide, UL 94V-0,
130⁰
max. operating temperature
Terminals:
Brass, bright tin over copper plating
Screws:
#6-32 steel, zinc plating with clear chromate
coating undercut binding head
Rating:
20A, 600V
Wire Range:
12-22 AWG
SIZE
JB7
B
C
D
X
Y
Z
17.8
(0.70)
20.3
(0.80)
3.1
(0.12)
11.1
(.437)
7.1
(0.28)
4.7
(0.19)
JB7 Series
Printed Circuit Board Layout
L=A + 2X
(N) - # of
Positions
A
(Inches)
(0.437)
(0.875)
(1.313)
(1.750)
(2.188)
(2.625)
(3.063)
(3.500)
(3.937)
(4.375)
(4.813)
(4.813)
A
mm
11.1
22.2
33.3
44.4
55.6
66.7
77.8
88.9
100
111.1
122.2
133.3
(N) - # of
Positions
14
15
16
17
18
19
20
21
22
23
24
A
(Inches)
(5.688)
(6.125)
(6.563)
(7.000)
(7.438)
(7.875)
(8.313)
(8.750)
(9.188)
(9.625)
(10.063)
A
mm
144.5
155.6
166.7
177.8
188.9
200
211.1
222.2
233.4
244.5
255.6
How to Order
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Accessories
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