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Westinghouse TD-52, Instructions Manual

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TABLE OF REPLACEABLE PARTS 

CIRCUIT  RELAY CHARACTERISTIC 

STYLE 

D E S C R IPT IO N 

SYMBOL  DC VOLTS  TIME RANGES 

NUMB ER 

Rs 

24/32 

All 

Resistor, 40 Watts, 45 ± 5% ohms, center tap  184A064H03 

48/125 

All 

Resistor, 40 Watts, 550  ± 5% ohms, tap at 95  187A321H01 

ohms 

250 

All 

Resistor, 40 Watts, 2500 ± 5% ohms 

1995653 

z 

24/32 

All 

Zener Diode, 1N2977B, 10 Watts,  13 volts 

629A798H02 

48/125 

All 

Zener Diode, 1N2986B, 10 Watts, 24 Volts 

629A798H03 

250 

All 

Zener Diode, 1N2999B, 10 Watts, 56 Volts 

629A798H04 

D 

All 

All 

Silicon Diode,  1N4818,  200 Volts, 0.75 Amp 

188A342H06 

T2& T3 

All 

0.05-1 

Rheostat, 3 Watt, 40K 

184A756H01 

All 

0.2  -4 

Rheostat, 4 Watt,  lOOK 

184A756H02 

All 

1.5  -30 

Rheostat, 4 Watt,  lOOK 

184A756H02 

All 

.05-.4 

Rheostat, 4 Watt, 20K 

184A756H04 

RL 

24/32 

0.05-1 & .05-.4  Resistor, 1/2 Watt, 1K ± 1% 

862A376H01 

48/125 

0.05-1 & .05-.4  Resistor, 1/2 Watt, 1K ± 1% 

862A376H01 

250 

0.05-1 & .05-.4  Resistor, 3 Watts,  lK  ± 5% 

184A636H08 

All 

0.2-4 

Resistor, 1/2 Watt, 5.6 K  ± 1% 

862A376H73 

All 

1.5-30 

Resistor, 1/2 Watt, 5.6 K ± 1% 

862A376H73 

c 

24/32 

0.05-1 & .05-.4  Tantalum Capacitor, 22uf, 35 volts 

184A661H16 

48/125 

0.05-1 & .05-.4  Tantalum Capacitor,  22uf, 35 volts 

184A661Hl 6  

250 

0.05-1 & .05-.4  Tantalum Capacitor,  22uf, 50 volts 

184A661Hl 7  

24/32 

0.2-4 

Tantalum Capacitor,  22uf, 35 volts 

184A661H16 

48/125 

0.2-4 

Tantalum Capacitor, 22uf, 35 volts 

184A661H16 

250 

0.2-4 

Tantalum Capacitor,  22uf, 50 volts 

184A661H17 

24/32 

1.5-30 

Tantalum Capacitor, 22uf, (7 in parallel) 35 V  184A661H16 

48/125 

1.5-30 

Tantalum Capacitor, 22uf, (7 in parallel) 35 V  184A661H16 

250 

1.5-30 

Tantalum Capacitor,  22uf, (7 in parallel)  50 V  184A661H17 

Rp 

All 

0.05-1 & .05-.4  Resistor, 1/2 Watt, 62K ±% 

184A764H70 

All 

0.2-4 

Resistor, 1/2 Watt, 267K ± 1% 

184A764H85 

All 

1.5-30 

Resistor, 1/2 Watt, 267K 

± 

1% 

184A764H85 

TR 

24/32 

All 

Telephone Relay, 30 ohm coil 

407C614H05 

48/125 

All 

Telephone Relay, 125 ohm coil 

407C614H06 

250 

0.05-1 & .05-.4  Telephone Relay, 125 ohm coil 

407C614H06 

250 

0.2-4 

Telephone Relay, 650 ohm coil 

407C614H07 

250 

1.5-30 

Telephone Relay, 650 ohm coil 

407C614H07 

Tx 

48/125 

All 

Telephone Relay, 750 ohm coil 

19B1312H09 

Rc 

24/32 

All 

Resistor, 1/2 Watt, 56 ± 5% ohms 

187A290H19 

48/125 

All 

Resistor, 1/2 Watt, 270  ± 5% ohms 

184A763H13 

250 

All 

Resistor, 1/2 Watt, 1200 ± 5% ohms 

184A763H29 

SCR 

24/32 

All 

Silicon Controlled Rectifier, 2N885 

185A517H02 

48/125 

All 

Silicon Controlled Rectifier, 2N885 

185A517H02 

250 

All 

Silicon Controlled Rectifier, 2N886 

185A517H03 

p 

24/32 

All 

Potentiometer, 4 Watts, 60 ± 10% ohms 

185A067H04 

48/125 

All 

Potentiometer, 4 Watts, 250  ± 10% ohms 

185A067H05 

250 

All 

Potentiometer, 4 Watts, 1300 ± 10% ohms 

185A067H06 

9 

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Summary of Contents for TD-52

Page 1: ...e circuit provides a fixed supply voltage to the R C time delay circuit and L779529 COMPLETE REVISION protects the static components from high voltages It consists of a silicon power regulator and a s...

Page 2: ...TYPE TD 52 RELAY RHEOSTAT ut _ n 2 TJ ICS TJ Fig 1 Type TD 52 Relay Without Case ALt PLATE T2 TR TELEPHONE RELAY T 2 CIRCUIT w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 3: ...tion of the T0 5 unit occurs when a silicon controlled rectifier SCR switches from a non conducting state to a conducting state In the non conducting state the SCR acts as an opened switch to prevent...

Page 4: ...However the relay will of course not operate under this condition and series resistor Rs may over heat if reverse voltage is applied for approximately 15 minutes or more 4 lfD Iri lNDlf lED DOT SiliCO...

Page 5: ...temperature is shown in Figure 4 SETTINGS There are two time settings in the Type TD 52 relay The time unit on the left front view is set by adjusting the rheostat T2 The timer unit on the right front...

Page 6: ...d for this purpose The use of abrasive material for cleaning contacts is not recommended because of the danger of embedding small par ticles in the face of the soft silver and thus im pairing the cont...

Page 7: ...he telephone type relay to be approximately 004 inch with the ar mature closed This is done with the armature set screw and lock nut Also adjust contact leaf springs to obtain at least 015 inch gap on...

Page 8: ...reater than the particular ICS tap setting being used for the 0 2 2 0 ampere ICS The operation indicator target should drop freely The contact gap should be approximately 0 047 for the 0 2 2 0 ampere...

Page 9: ...r 22uf 50 volts 184A661Hl 7 24 32 0 2 4 Tantalum Capacitor 22uf 35 volts 184A661H16 48 125 0 2 4 Tantalum Capacitor 22uf 35 volts 184A661H16 250 0 2 4 Tantalum Capacitor 22uf 50 volts 184A661H17 24 32...

Page 10: ...NER I AIIEL 5 I tii S REW FOI lltiCK AIIEL USE 18 STUD If 1 32 SCREW f FOR lltiCK PAIIEL USf 180 U STUD L_ 1 MDU j r gI II I I 5 DIA II HOU S FOit 1 32 MTG SCREWS I J rt 25 232 1 PAIIEL DRI Lll JIG OR...

Page 11: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 12: ...WESTINGHOUSE ELECTRIC CORPORATION RELAY INSTRUMENT DIVISION NEWARK N J Printed in U S A w w w E l e c t r i c a l P a r t M a n u a l s c o m...

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