20-44-51 Page 12

R Modular Terminal Blocks - Module Support NSA937915 Figure 010

20-44-51 Page 1320-44-51 Page 14

R  B. Resistor Installation on Junction Module 
R  (Ref. Fig. 011) 
R  You can install two types of junction modules (NSA937910M or ABS1438) on 
R  the modular terminal block NSA937910. 
R  The connection of a resistor E0072 RB 57/59/61 or NSA933904 ( or E0593 ) 
R  on modules NSA937901MA20XX (non sealed) by crimping pin contacts 
R  NSA937910EA2000 is permitted.
R  ____NOTE : Junction modules ABS1438 are supplied with integrated resistors. 
R  (1) Insulation 
R  Put insulation on each lead of the resistor with heat-shrink sleeve 
R  NSA937212A20 or NSA937910MB200. Do not put insulation on part of the 
R  lead so that you can do crimping of the contact. 
R  (2) Identification 
R  You must identify resistors with an identification sleeve NSA937201 
R  (as short as possible) placed on one of the resistor leads. Make sure 
R  that the sleeve does not prevent heat dissipation. 
R  (3) Connection 
R  For NSA937910 junction module, use pin contacts NSA937910EA2000 (Ref 
R  Connection Table). 
R  For ABS1438 junction module, use pin contacts ABS143816M2022 (Ref 
R  Connection Table). 
R  (4) Installation 
R  (a) Without module spacer 
R  After insulation sleeve installation and contact crimping, 
R  carefully and symmetrically bend the resistor leads so that they 
R  are aligned with the terminals you will connect. Connect each 
R  lead. The connection procedure is the same as for the wires.
R  ____NOTE : You must not only fold the end of the resistor leads 
R  before you engage them, you must also crimp the contacts. 
R  (b) With module spacer 
R  The resistors are on each side of a plate NSA937901 P and held by 
R  ligature cords NSA8420. 
R  After insulation sleeve installation and contact crimping, 
R  carefully and symmetrically bend the resistor leads so that they 
R  are aligned with the terminals you will connect. Connect each 
R  lead. The connection procedure is the same as for the wires.

 Modular Terminal Blocks - Resistor Installation on Module E0072, E0593 and NSA933904 R Figure 011

20-44-51 Page 15

R ________________
5. Connection Table R (Ref. Fig. 012)

20-44-51 Page 16

R Modular Terminal Blocks - Connection Table. R Figure 012

20-44-51 Page 17

 _______________________________________________________
NON MODULAR TERMINAL BLOCKS - DESCRIPTION AND OPERATION
 ___________________________________________________________________________1. General Non modular terminal blocks installed on aircraft have the following
 codes :
 - NSA937903 .1380 - 32 UNC terminal block
 - NSA937905 .1900 - 32 UNF terminal block
 NSA937906 .1900 - 32 UNF terminal block
 - ABS0994 .2500 - 28 UNF terminal block 
R  ABS1131 .2500 - 28 UNF terminal block 
R  ABS1514 .2500 - 28 UNF shunted studs terminal block
 E0421 .2500 - 28 UNF terminal block
 E0647 .2500 - 28 UNF terminal block 
R  - ABS1143 .3750 - 24 UNF shunted studs terminal block 
R  ABS1346 .3750 - 24 UNF 3 shunted studs terminal block 
R  E0467 .3750 - 24 UNF terminal block
 NSA937904 .3750 - 24 UNF terminal block

20-44-52 Page 1

 ___________________________________2. .1380 - 32 UNC Type Terminal Blocks
 A. NSA937903
 (1)
 P/N identification

 NSA937903  A 03 | | | | | ------------- Stud number code | ------------------ Type code -------------------------- Standard P/N

 (2)
 P/N characteristics

 (a) Temperature Minimum operating temperature is -60 deg.C (-76.00 deg.F) Maximum operating temperature is 210 deg.C (410.00 deg.F)
R (b) Type code and stud number code (Ref. Fig. 001) -------------------------------------------------------------------------------
R  | ELEMENT |TYPE | STUD | DEFINITION | | |CODE |NUMBER| | |-------------------------|-----|------|--------------------------------------| | Terminal block without  |  A  |  02 | 02, 03, 05, 10 = Number of studs | | pillar bolt and without |  B  |  03 | A = 1 row of terminals | | cover | | 05 | B = 2 rows of terminals | | | | 10 | | |-------------------------|-----|------|--------------------------------------| | Cover | CA | 02 | 02, 03, 05, 10 = Number of studs | | | CB | 03 | CA = Cover for 1 row of terminals | | | | 05 | CB = Cover for 2 rows of terminals | | | | 10 | | |-------------------------|-----|------|--------------------------------------| | Pillar bolt |  E  |  --| ---| |-------------------------|-----|------|--------------------------------------| | Spacer |  F  |  02 | 02, 04 = Thickness in mm | | | | 04 | | |-------------------------|-----|------|--------------------------------------| | Shunt | SH | 10 | 10 = Number of holes (02, 03, 05, 10)| -------------------------------------------------------------------------------
　
中國(guó)航空網(wǎng) m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320 ESPM Electrical Standard Practices Manual 3(58)