1769-OB16 输出模块

热继电器是利用电流的热效应原理实现电机的过载保护的。

电动机在工作时，当负载过大、电压过低或发生一相断路故障时，电动机的电流都要增大，其值往往超过额定电流。如果超过不多，电路中熔断器的熔体不会熔断，但时间长了会影响电动机的寿命，甚至烧毁电动机，因此需要有过载保护。热继电器用于电动机的过载保护，它是利用电流热效应使双金属片受热后弯曲，通过联动机构使触点动作的自动电器。

ALLEN BRADLEY LINE DRIVER/RECEIVER MODULE 1772-DR 635203-01 REFURBISHED

ALLEN BRADLEY 709-DOD103 STARTER SIZE 3 SERIES K

ALLEN BRADLEY LINE TERMINAL GUARD 1494V-DS100 SER. B

HUGHES MODEL 312 10base-T ConCENTRATOR MODULE A005279-03 

ALLEN BRADLEY VARIABLE FREQUENCY AC DRIVE 1336S-BRF75-AA-EN-HA2-L6 SER. D

ALLEN BRADLEY 400A 600VAC 250VDC 3 POLE FUSEABLE DISConNECT SWITCH 194R-NJ400P3

ALLEN BRADLEY PLC-3/10 CHASSIS 1775-A3 W/ POWER SUPPLY 1775-P3 AND CARDS

ALLEN BRADLEY DOUBLE ARM LEVER SINGLE SHEAVE WHEEL WALL MOUNTED 840-4A4 

ALLEN BRADLEY HIGH DENSITY LASER SCANNER 2755-LD4B4 SER. A REV. D

ALLEN BRADLEY 133-BRF100-AA-EN4-HA2-L6 AC DRIVE

ALLEN BRADLEY   STARTER SIZE 2 SERIES B  115-120V   509-COD

ALLEN BRADLEY 1336F-BRF10-AA-EN 1 HP SERIES C DRIVE, 

ALLEN BRADLEY ConTROL BOARD 900403 90040392

ALLEN BRADLEY  PANELVIEW 1000 SER.D REV.B FRN.4.20 2711-T10C3L1

ALLEN BRADLEY  ConTROLNET MODULAR REPEATER MODULE  1786RPA B

ALLEN BRADLEY  BUL.1336 DYNAMIC BRAKE SER.D 1336-MOD-KB010

ALLEN BRADLEY PANEL VIEW 2711P-RP1/ B W/ PANEL VIEW PLUS 1000 2711P-B10C4D1 /A

ALLEN BRADLEY 1774-DH2 DATA HANDLING MODULE, 

ALLEN BRADLEY NEMA SIZE 3 COMBINATION MOTOR ConTROLLER 512-DJB-3-6P-26R SER. B

ALLEN BRADLEY DC ISOL OUT 16PT 2A PILOT DUTY 1756-OB16I/A SER A F/W 2.1 

ALLEN BRADLEY 10/20HP 1336 DRIVE REPLACEMENT INDUCTOR 1336-L-SP4C SER. C 

ALLEN BRADLEY VARIABLE FREQUENCY AC DRIVE 1336S-B007-AA-EN4-GM1-HA2-L6 SER. D

ALLEN BRADLEY 100HP 3-PHASE AC SERVO DRIVE 1336-B100-EAH-FA2-L3-S1 SER. A

RELIANCE ELECTRIC ELECTRO-CRAFT SERVO MOTOR 1326AB-B530E-21 / 155326

ALLEN BRADLEY 5KW SYSTEM MODULE 1394-SJT05-C-RL

ALLEN BRADLEY ConSTANT TORQUE AC DRIVE 1336-B003-EOD-FA2-L3-S1 SER. A

ALLEN BRADLEY 40HP/30KW HIGH PERFORMANCE AC MOTOR 1237AA-BB-40-G SER A DAMAGED

ALLEN BRADLEY 110/115-120VAC COIL 200A AC ConTACTOR 500FL-M/A62167 / 500FL-EODX5

ALLEN BRADLEY INDUSTRIAL COMPUTER 6155R-7P2KH SER. A REV. A

ALLEN BRADLEY AC DRIVE 1305-BA06A-HA1 Ser C MISSINGFACEPLATE

ALLEN BRADLEY 1336S-BRF75-AN-DE4 SERIES D BROKEN PLASTIC

ALLEN BRADLEY 1788CNC SERIES A COAX DAUGHTER CARD, 

ALLEN BRADLEY 120V PROTECTED AC OUTPUT MODULE 1771-OP SER. A

ALLEN BRADLEY POWER SUPPLY & ConTROL BOARD 2700C-S2 SER. A

ALLEN BRADLEY 845D-SJDN25ANFW4 OPTICAL ABSOLUTE ENCODER, 

ALLEN BRADLEY 110/115-120VAC COIL NEMA SIZE 4 ConTACTOR 500F-EOD930 SER. A 

ALLEN BRADLEY ControlLogix DC DIAGNOSTIC OUTPUT MODULE 1756-0B16D SER A 

ALLEN BRADLEY 110-120V, 250A, 3 POLE SIZE 5 STARTER 509-FOD SERIES L

ALLEN BRADLEY   115-120V 60HZ COIL SIZE 2 SER A STARTER  509-COD

ALLEN BRADLEY  STARTER NEMA SIZE 2 600VAC 45A 509-COD-XXX SER B

ALLEN BRADLEY DRIVE BOARD 1336-BDB-SP18B 

ALLEN-BRADLEY SHORT RANGE ANTENNA HEAD 2750-H1 SER B, 

ALLEN BRADLEY POWER FLEX 70 A SERIES 20 E 2P7A 3 AYYNNC0

ALLEN BRADLEY  600A 600VAC DISConNECT SWITCH MISSING COVER 40116-491-01

ALLEN BRADLEY 5HP VARIABLE FREQUENCY AC DRIVE 1336S-BRF50-AN-EN3-L5E

ALLEN BRADLEY NEMA SIZE 3 COMBINATION MOTOR ConTROLLER 512-DJB-6P-27R SER. D

ALLEN BRADLEY 79-132V AC ISOLATED INPUT MODULE 1756-IA16I SER. A 

ALLEN BRADLEY   SIZE 1 COMBINATION MOTOR STARTER  512-BJB-1-6P-24R

ALLEN BRADLEY  512-BAB-1-6P-24R-90 480V NEMA SIZE 1 ENCLOSURE TYPE 1

ALLEN  BRADLEY  LOGIX555/PROCESSOR UNIT SER.A 1756-L55/A / 1756-M12/A

ALLEN BRADLEY 10HP AC DRIVE 1336S-BRF100-AA-EN4 SER. E W/ 25 VAC/DC INTERFACE

ALLEN BRADLEY MOTOR MPL-A320P-SJ22AA W/ ALPHA GEAR REDUCER 090-MO2-30-111-001

ALLEN BRADLEY 1336S-BRF75-AN-DE4 SERIES D

ALLEN BRADLEY 15HP VARIABLE SPEED AC DRIVE 1336-B015-EOE-FA2  SER. A

ALLEN BRADLEY SHIELDED MOTOR POWER CABLE ASSEMBLY 1326-CPB1-E-005 

ALLEN BRADLEY 2755-HCG-B SERIES A CORDLESS BAR CODE SCANNER ACCESSORY, 

ALLEN BRADLEY 12 INPUTS 24VDC COMPACT BLOCK 1791DS-IB12 SER. A

ALLEN BRADLEY  DC ISOL INPUT 16PT SER.A F/W2.2 REV.H01 1756-IB16/A

ALLEN BRADLEY   200V 3 PHASE ConTROLLER SER.D  512-BJB-1-6P-24R