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Demarcation Fuse/Circuit Breaker Alarm Panel

Power :: Model 125DM08

1.1 Overview

Telect’s Demarcation Fuse/ Circuit Breaker Panel with

Alarms provides TPS/TLS fuse or circuit breaker

protection at the equipment interface. The 2RU, white

panel supports

Figure 2 - 125DM08 - TFD

Front

Rear

Figure 1 - Model 125DM08 (UL Listed, File E139903)

• eight TFD fuse holders

• bullet-style, standard-trip circuit breakers with

rear access terminals

and

• a replaceable alarm card containing power and

alarm LEDs, with rear-access, wire-wrap alarm

relay contacts

Each fuse holder or circuit breaker position has

separate BATT/RTN inputs and outputs rated up to

125A for \-24Vdc or -48Vdc applications.

Hardware is included for either flush or extended

mounting in a 19-in. or 23-in. relay rack. Visit our

website (www.telect.com) to order accessories and

replaceable parts: fuses (up to 125A),TFD fuse holder,

circuit breakers (up to 100A), ETSI mounting brackets,

and more.

NOTE: The 125DM08-TFD includes eight TFD

holders installed.

Содержание 125DM08

Страница 2: ...03 4 Figure 2 125DM08 TFD 4 Figure 3 Bracket Orientation 8 Figure 4 Rack Mounting 8 Figure 5 Ground Terminal Harware 9 Figure 6 Ground Terminal Hardware 9 Figure 7 Input Output Lug Connections 9 Figure 8 LEDs on Front Panel 10 Figure 9 Removing Blank Covers 10 Figure 10 Installing Circuit Breaker 11 Figure 11 Installing Circuit Breaker 11 Figure 12 Installing TFD Fuse Holders 11 Figure 13 Installi...

Страница 3: ...style standard trip circuit breakers with rear access terminals and a replaceable alarm card containing power and alarm LEDs with rear access wire wrap alarm relay contacts Each fuse holder or circuit breaker position has separate BATT RTN inputs and outputs rated up to 125A for either 24Vdc or 48Vdc applications Hardware is included for either flush or extended mounting in a 19 in or 23 in relay ...

Страница 4: ...Short Circuit Withstand Rating 5000A Alarms Specification Alarm Relay Contacts 0 6A 60 Vdc Alarm Card Power Rating 1W Alarm Wire Size Solid 26 to 22 AWG Weight Specification Weight Shipping 20 lb 9 kg 125DM08 22 lb 10 kg 125DM08 TFD Dimensions Specification Nominal without brackets Width Height Depth 17 25 in 43 8 cm 3 5 in 8 9 cm 10 84 in 27 6 cm Environment Specification Operating Temperature 5 ...

Страница 5: ...erminal protection brackets until panel is installed in a rack If the panel is transported outside of the shipping container make sure the terminal protection brackets are installed 1 4 1 Important Installation Guidelines Elevated Operating Ambient If you install this product in a closed or multi unit rack assembly the operating ambient temperature of the rack environment may be greater than room ...

Страница 6: ...ring to this panel may be a greater size to accommodate a voltage drop from the primary power source WARNING Before connecting input power cables make sure input power to panel is turned off NOTE Always follow operating company guidelines when connecting input wiring to the primary power source CAUTION CAUTION Make sure the alarm connector on the fuse holder is straight before inserting into the p...

Страница 7: ...sentation on rack 3 Locate an unused rack position and mount panel using the four thread cutting screws provided as shown in Figure 3 4 Tighten the screws to 35 in lb 4 29 N m 5 Use a UL NRTL approved crimping tool to attach a UL NRTL approved 2 hole compression lug fit 1 4 20 dual studs on 5 8 in centers onto a 10 to 2 AWG ground wire The size of the ground wire depends on size of input BATT wire...

Страница 8: ... panel See Figure 4 9 Connect the lug to the terminal using the nuts and washers removed in step 8 as shown in Figure 5 10 Tighten the nut to 20 in lb 2 27 N m 11 Make sure the input power is OFF 12 For input wiring wiring used as inputs to this demarcation panel crimp straight 2 hole compression lugs fit 1 4 20 dual studs on 5 8 in centers onto 8 to 1 copper wires Insulate lug barrels with UL94 V...

Страница 9: ... card below the alarm display 19 Install plastic covers over the terminals 20 Make sure output devices devices fed from the outputs of this demarcation panel are disabled 21 As shown in Figure 8 remove the blank cover s from the position s you plan to use by unscrewing and removing the small Phillips screw at the bottom Keep the hardware for later use NOTE For safety leave blank covers over all un...

Страница 10: ...ower Model 125DM08 23 See Figures 9 and 10 for installing circuit breakers 24 See Figures 11 and 12 for installing TFD holders and fuses Fuse holders are designed so that you can install them in only one way Figure 11 Installing Circuit Breaker Figure 10 Installing Circuit Breaker Figure 12 Installing TFD Fuse Holders ...

Страница 11: ...ure 13 Installing TPS TLS Fuses ALERT ALERT You can install fuse holders backwards Observe the LINE and LOAD designations on the panel vs the designations on the fuse holders 25 Use the screws supplied with each fuse holder or circuit breaker to secure the bezels Attach the bezel to the chassis with the blank cover screw previously removed ...

Страница 12: ... s is green on the front panel Expect an open circuit between C and NO and a closed circuit between C and NC on the rear alarm pins c Remove a fuse s or turn a circuit breaker s to the OFF position d Verify the Power LED s is green and the Alarm LED s is red on the front panel Expect a closed circuit between the C and NO and an open circuit between the C and NO on the rear alarm pins 27 Wire wrap ...

Страница 13: ...eld in place by two captive thumbscrews on the front of the alarm card panel Captive Screw Captive Screw Figure 15 Alarm Card in Place To remove and replace an alarm card unscrew the thumbscrews and pull out the card When replacing an alarm card make sure the edge connector on the far end of the assembly docks securely into the connector inside the panel Figure 16 Alarm Card Removed ...

Страница 14: ... 0040 50A 090 0052 0050 60A 090 0052 0060 70A 090 0052 0070 90A 090 0052 0090 100A 090 0052 0100 TFD Fuse Holder Kit 25 125A with Bullet Style Connectors for TPS TLS fuses with plastic faceplate 090 0001 0033 25 125A with Bullet Style Connectors for TPS TLS fuses with metal faceplate 090 0001 0034 TPS Fuses 5A 130481 10A 130485 15A 130487 20A 130489 25A 130476 30A 130478 40A 130482 50A 130484 60A ...

Страница 15: ...gs Support Dual 20 Studs 5 8 C C Telect T B Burndy Panduit Lug Die Lug Die Lug Die Lug Die 10 AWG 06117 121 54201 YAV10 2TC14 LCD10 14A L 8 AWG 06117 111 P21 52040410 21 YA8CL 2TC14 49 LCD8 14A L P21 6 AWG 06117 012 24 54205 24 YA6CL 2TC14 7 LCD6 14A L P24 4 AWG 06117 042 29 54206 29 YA4CL 2TC14 8 LCD4 14A L P29 2 AWG 06117 023 10 54207 33 YA2CL 2TC14 10 LCD2 14A L P33 1 AWG 06117 133 11 YA1CL2NT1...

Страница 16: ...6 6000 telect com 14 Demarcation Fuse Circuit Breaker Alarm Panel Power Model 125DM08 TFD 101 011 05 MAIN HSG REMOVABLE CARTRIDGE LINE ALARM LOAD RES GEN R1 1 2 2 OHM 5W 1 3 2 0 180A GMT FUSE HLDR 125V TPS TLS 1 2 F1 FH1 Figure 17 Typical 125DM08 Circuit ...

Страница 17: ...Telect assumes no liability from the application or use of these products Neither does Telect convey any license under its patent rights or the patent rights of others This document and the products described herein are subject to change without notice REAR VIEW 9 000 10 000 10 840 18 312 19 000 3 470 17 250 Rear View Top View Front View ...

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