ABB AF45 Contactor, 100V, 250 V Coil, 4-Pole, 70 A, 30 kW 100V, 250 V, 4 NO, 690V

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RS Stock No.:
253-1990
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.:
1SBL337201R7000
ผู้ผลิต:
ABB
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Brand

ABB

Coil Voltage

100, 250V

Product Type

Contactor

Number of Poles

4

Contact Voltage

690V

Contact Current

70A

Series

AF45

Power Rating

30kW

Function

Inductive Load

Normal State Configuration

4 NO

Number of Auxiliary Contacts

0

Terminal Type

Screw

Contactor Application

Control Unit

Operational Current Ie

37A

Minimum Operating Temperature

-40°C

Control Circuit Voltage Uc

100, 250V

Maximum Operating Temperature

70°C

Standards/Approvals

CSA C22-2 N°14, EN 50155 (applicable parts), IEC 60077-1 (applicable parts), IEC 60077-2 (applicable parts), IEC 61373, IEC/EN 60947-1, IEC/EN 60947-4-1, TR CU 001/2011 (on request), UL 508

Width

92mm

Depth

110mm

Length

120mm

Pole and Throw Configuration

4

COO (Country of Origin):
BG

ABB AF45 Series Contactor, 37A Operational Current, 30 kW Power Rating - 1SBL337201R7000


This contactor is a 4-pole control unit designed to manage power circuits up to 690V and to switch non‑inductive or slightly inductive loads such as resistance furnaces. It accepts a wide control‑voltage range on AC 50/60Hz or DC supplies, allowing a single device to operate across different supply conditions and tolerate short voltage interruptions.

Features & Benefits


• Wide Coil voltage range 100 to 250V reduces stock variants
• Rated operational current 37A supports medium‑power loads
• Four N.O. main poles enable straightforward single‑block switching
• Power handling up to 30kW for demanding motor or heater loads
• Screw terminals allow robust connections for flexible cables
• Operates from −40°C to 70°C for varied ambient conditions

Applications


• Suitable for controlling resistance furnaces in industrial plants
• Ideal for power‑circuit switching up to 690V AC systems
• used with AC or DC control supplies subject to voltage dips
• Can be used for lighting and generic non‑inductive load switching
• Suitable for retrofit replacements in existing contactor panels

What is the expected electrical endurance under regular switching?


The device supports up to 300 electrical switching cycles per hour for AC‑1 and AC‑3 duties, with reduced cycles for AC‑2/AC‑4 modes.

How does the Coil cope with supply fluctuations and interruptions?


The electronic Coil Interface accepts 100 to 250V on 50/60Hz AC or DC and is specified to withstand brief supply interruptions up to 20ms.

What connection sizes are supported for the main circuit conductors?


Main circuit terminals accept flexible conductors with bootlace ferrules 6 to 16mm² or rigid conductors 6 to 25mm², enabling heavy‑duty cabling.

Which protection and switching capacities apply for short‑circuit scenarios?


Maximum breaking capacity varies with system voltage

for example, interrupting capability is specified up to 900A at 440V and 490A at 690V depending on cosφ.

What mechanical mounting or accessory options exist?


The block‑type design permits front and side‑mounting of add‑on auxiliary contact blocks and a variety of ancillary accessories for installation adaptability.

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