TPA 250 FUSE PANEL
SETUP AND OPERATION MANUAL
PURPOSE AND APPLIcAbILITy - PAGE 1
Section 1: Purpose and Applicability
The purpose of this document is to detail the installation and operation instructions
for the TPA 250 Series fuse panel.
1.1 Product Model
This document applies to the following configurations of the
Comm/net Systems, Inc TPA 250 Series fuse panel:
TABLE 1. TPA 250 SERIES FUSE PANEL CONFIGURATIONS
PART NUMBER DESCRIPTION INPUTS OUTPUTS MONITORING COLOR
016-2121-10 TPA 250; -48VDC; (12) TPA Fuse
Positions
Single-Input 40A Connectorized Standard LEDs White
016-2122-10 TPA 250; -48VDC; (6A/6B) TPA
Fuse Positions
Dual-Input 40A Connectorized Standard LEDs White
016-2123-10 TPA 250; -48VDC; (12) TPA Fuse
Positions
Single-Input 40A Connectorized Meter Module White
016-2124-10 TPA 250; -48VDC; (6A/6B) TPA
Fuse Positions
Dual-Input 40A Connectorized Meter Module White
016-2125-10 TPA 250; -48VDC; (12) TPA Fuse
Positions
Single-Input 100A Connectorized Standard LEDs White
016-2126-10 TPA 250; -48VDC; (6A/6B) TPA
Fuse Positions
Dual-Input 100A Connectorized Standard LEDs White
016-2127-10 TPA 250; -48VDC; (12) TPA Fuse
Positions
Single-Input 100A Connectorized Meter Module White
016-2128-10 TPA 250; -48VDC; (6A/6B) TPA
Fuse Positions
Dual-Input 100A Connectorized Meter Module White
Section 2: Theory of Operation
2.2 Introduction
The TPA 250 Series product family consists of single-input (12 TPA fuse positions)
and dual-input (6A/6B TPA fuse positions) 1RU fuse panels with connectorized outputs
available in 40A or 100A configurations, along with standard LED front display
monitoring or optional meter module display. TPA fuses are available for this panel in
ratings from 3 ampere up to 50 ampere.
2.3 Features
TPA 250 Series Fuse Panel
y TPA fuse positions: 12; each up to 50A max
y Rack mounting: 19 in. or 23 in. rack mount ears
y Mounting offset: Front-flush, mid-mount forward, mid-mount rearward
y LED indicators (panels with LED display; Figure 1)
y Advanced LCD display (panels with meter module; Figure 2)
y Alarm Contacts: Form C dry contacts
y Side-accessible modular jack connections for alarm outputs
y Polarized, positive latching connectorized outputs
y Optional lacing bar kit (750-283-10) or telescoping rear rack support kit (750-277-10)
Figure 1. LED Display
Figure 2. Meter Module
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