250 Volt AC Rated
Filtered Terminal Blocks
Spectrum Control’s filtered terminal block provides superior
EMI/RFI filtering of AC power and control lines. This terminal
block is available in various sizes, with terminals for soldering,
spade lugs, or wire pigtails. Termination options available:
straight lead male or female disconnects, or wire pigtails
in lengths to your specification.
Applications
I
Metering equipment
Features
I
Programmable controllers
I
UL recognized and CSA approved for AC voltages.
I
Industrial process control
I
E133076, UL 1059.
I
Heavy equipment controls
I
LR92537, CSA STD 22.2 N°158-1987 and ECN584B.
I
Power supplies
I
Termination options available: straight lead, male
or female disconnects, pigtail (12 AWG-22 AWG).
I
Regulators
I
Surge sensing equipment
I
Power factor correction
I
Telecommunications power management,
ATM, Sonet, etc.
I
Medical equipment
Specifications
.213
(5.41)
B
ELECTRICAL
Operating temperature: -55° C to +105° C
.650
.562
(14.28)
(16.51)
Voltage rating:
Current rating:
Wire range:
Torque:
250VAC
20 Amps
12-22AWG
9 lb-in.
.212
(5.4)
(2X)
A
C
.093 x 45° Chamfer 4x
Marking:
SCI
52-257-XXX-A
XXXX - Date Code
Capacitance:
Dielectric
withstanding voltage: 1500VAC @ 25° C
2000pF to 5200pF
#6-32UNC-2A THD.
Philslot Screw
Zinc Plated
Marking: Stamp
.32
(8.13)
.75
MECHANICAL
.032 (.81)
.27
(19.05)
(6.86)
Center spacing:
Wire size:
.438” (11.1 mm)
.415
(10.5)
.810
(20.57)
AWG #12 max. for 20 Amp
20A - #6-32, zinc plated philslot
UL rated 94VO polyamide
9 in.-lbs. max.
straight lead, male or female
disconnects, pigtail
GROUND
PLANE
.40
(10.16)
Screw size:
.031 .002
(.79 .05)
Ø.312
(7.9)
.062 .002
(1.57 .10)
Molded material:
Tightening torque:
Terminal options:
Number of
Circuits
A
B
C
Part Number
52-257-002
52-257-003
52-257-004
52-257-005
52-257-006
in.
(mm)
in.
(mm)
in.
1.02
(mm)
2
3
4
5
6
1.71
2.15
2.59
3.02
3.46
(43.4)
(54.6)
(65.8)
(76.7)
(87.9)
1.31
1.75
2.19
2.62
3.06
(33.3)
(25.9)
(44.5)
(55.6)
(66.5)
(77.7)
1.46
1.90
2.32
2.77
(37.1)
(48.3)
(58.9)
(70.4)
Dimensions in inches (mm)
SPECTRUM CONTROL INC.
•
8031 Avonia Rd. • Fairview, PA 16415
•
Phone: 814-474-2207
•
Fax: 814-474-2208 • Web site: www.spectrumcontrol.com
Fax: (49)-9122-795-58
124
SPECTRUM CONTROL GmbH
•
Hansastrasse 6 91126 Schwabach, Germany
•
•
Phone: (49)-9122-795-0 •