Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SAL100991R9906 — Auxiliary Contact Block
Electrical & controlsPart number: 1SAL100991R9906
ABB 1SAL100991R9906 (MARN440AT) is a front-mounted auxiliary contact block for control and auxiliary circuits. It has four normally open contacts and screw terminals. Verify the host device and terminal type before ordering.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAL100991R9906 |
| Category | Electrical & controls |
| Product Net Width | 45 mm |
| Product Net Depth / Length | 35 mm |
| Product Net Height | 27 mm |
| Product Net Weight | 0.04 kg |
| Number of Main Contacts NO | 0 |
| Number of Main Contacts NC | 0 |
| Number of Auxiliary Contacts NO | 4 |
| Number of Auxiliary Contacts NC | 0 |
| Number of Poles | 4P |
| Rated Operational Voltage | Auxiliary circuit: 690 V AC; 440 V DC |
| Rated Frequency (f) | Auxiliary circuit: 50 Hz, 60 Hz and DC |
| Conventional Free-air Thermal Current (I th ) | Auxiliary Circuit 10 A |
| Rated Operational Current AC-15 (I e ) | 6 A at 240 V; 4 A at 400 V; 2.5 A at 500 V; 1.5 A at 690 V |
| Rated Insulation Voltage (U i ) | 750 V |
| Rated Impulse Withstand Voltage (U imp ) | Auxiliary Circuit 6 kV |
| Maximum Electrical Switching Frequency | AC-15 and DC-13: 360 cycles per hour |
| Minimum Switching Capacity | Greater than 17 V; greater than 5 mA |
| Power Loss | at Rated Operating Conditions per Pole 0.4 W |
| Connecting Capacity Auxiliary Circuit | Flexible with ferrule: 1 x 0.75–2.5 mm² or 2 x 0.75–1.5 mm² |
| Wire Stripping Length | Auxiliary Circuit 9 mm |
| Degree of Protection | IP20 |
| Tightening Torque | Auxiliary Circuit 0.8 N·m |
| Terminal Type | Screw terminals |
| Product Name | Auxiliary Contact Block |
| Maximum Operating Voltage UL/CSA | 600 V AC |
| General Use Rating UL/CSA | (600 V AC) 10 A |
| Connecting Capacity Auxiliary Circuit UL/CSA | Stranded 18-12 AWG |
| Contact Rating UL/CSA | A600; Q600 |
| Published component type | Auxiliary Contact Block |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Mounting | Front mounted |
Catalogue information may contain errors or be out of date.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 contact configuration does ABB 1SAL100991R9906 have?
The MARN440AT has four normally open auxiliary contacts and no normally closed auxiliary contacts. It is intended for auxiliary and control circuits.
How is the MARN440AT mounted and connected?
This auxiliary contact block mounts on the front of the contactor and uses screw terminals. Confirm the host device and terminal arrangement before ordering.
Which contactors can accept the MARN440AT auxiliary block?
The published suitability list includes MC1 and MC2 mini contactors and MCR devices equipped with screw terminals. Confirm the exact host model, terminal type and serial number before ordering.
What voltage and current ratings apply to the MARN440AT?
The auxiliary circuit is rated up to 690 V AC or 440 V DC, with a 10 A conventional free-air thermal current. AC-15 operational current is 6 A at 240 V and 4 A at 400 V; select the rating appropriate to the load and voltage.
What are the dimensions of the ABB MARN440AT contact block?
The block measures 45 mm wide, 27 mm high and 35 mm deep, with a net weight of 0.04 kg. Allow for the host device and wiring when checking available space.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.