Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SAE341111R0120 — Installation Contactor
contactorPart number: 1SAE341111R0120
ABB ESB40-20N-01 (1SAE341111R0120) is a two-pole installation contactor with two normally open main contacts and a 24 V AC/DC control coil. It is rated 40 A for AC-1 duty and 22 A for AC-3 at 230 V single phase. The DIN-rail-mounted contactor has integrated overvoltage protection and is intended for electrical load control. Verify the control supply and load ratings before selection.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAE341111R0120 |
| Category | Electrical & controls |
| Product Net Width | 54 mm |
| Product Net Depth / Length | 65 mm |
| Product Net Height | 85 mm |
| Product Net Weight | 0.37 kg |
| Number of Main Contacts NO | 2 |
| Number of Main Contacts NC | 0 |
| Number of Auxiliary Contacts NO | 0 |
| Number of Auxiliary Contacts NC | 0 |
| Number of Poles | 2P |
| Rated Operational Voltage | Main circuit: 220 V DC; 400 V AC |
| Rated Frequency (f) | Control circuit: DC, 50, 60 or 400 Hz; main circuit: DC, 50 or 60 Hz |
| Rated Operational Current AC-1 (I e ) | (NO) 40 A |
| Rated Operational Current AC-3 (I e ) | (230 V) Single Phase, NO 22 A |
| Rated Operational Current AC-7a (I e ) | (NO) 40 A |
| Rated Operational Current AC-7b (I e ) | (230 V) Single Phase, NO 22 A |
| Rated Operational Power AC-1 (P e ) | (230 V) Single Phase, NO 9.2 kW |
| Rated Operational Power AC-3 (P e ) | (230 V) Single Phase, NO 3.7 kW |
| Rated Operational Power AC-7a (P e ) | (230 V) Single Phase, NO 9.2 kW |
| Rated Operational Power AC-7b (P e ) | (230 V) Single Phase, NO 3.7 kW |
| Rated Breaking Capacity AC-3 | 8 x Ie / AC-3 |
| Rated Making Capacity AC-3 | 10 x Ie / AC-3 |
| Rated Short-time Withstand Current Low Voltage (I cw ) | at 40 °C Ambient Temp, in Free Air, from a Cold State 10 s 176 A |
| Rated Insulation Voltage (U i ) | 500 V |
| Rated Impulse Withstand Voltage (U imp ) | 6 kV |
| Maximum Electrical Switching Frequency | (AC-1) 300 cycles per hour |
| Coil Operating Limits | (acc. to IEC 60947-4-1) 0.85 ... 1.1 x Uc (at θ ≤ 55 °C) |
| Rated Control Circuit Voltage (U c ) | 24 V AC/DC |
| Power Loss | at Rated Operating Conditions AC-1 per Pole 3 W |
| Published component type | Installation Contactor |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Mounting | DIN rail |
| Degree of Protection | IP20 |
| Ambient Air Temperature | Operation: -25 to +55 °C; storage: -40 to +80 °C |
| Connecting Capacity Main Circuit | One flexible conductor with ferrule: 1.5–16 mm²; one rigid conductor: 1.5–25 mm² |
| Width in Modular Spacings | 3 |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
What control voltage does the ESB40-20N-01 coil require?
The control coil is rated for 24 V AC or DC. Check the existing control supply and full part number before ordering; coil voltage is separate from the main circuit voltage.
What do the 40 A and motor ratings mean for this contactor?
The normally open contacts are rated 40 A for AC-1 duty. For AC-3 duty at 230 V single phase, the listed rating is 22 A and 3.7 kW. Select according to the load and duty, not the 40 A figure alone.
How many contacts does ABB 1SAE341111R0120 have?
It is a two-pole contactor with two normally open main contacts and no normally closed main contacts. Confirm the required contact arrangement and coil voltage when replacing an existing device.
What are the mounting and panel dimensions of this contactor?
It is DIN-rail mounted. The listed overall dimensions are 54 mm wide, 85 mm high and approximately 65 mm deep; check available panel space before ordering.
What should I check before using it as a replacement?
Match the existing part number, 24 V AC/DC control supply, two normally open poles and the load-specific ratings. Equipment fitment is not established; provide the equipment model and serial number for verification.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.