ABB 1SCA117994R1001 Change-over Switch - 1250 A, 4P, IP20
Part Number: 1SCA117994R1001
Quick Summary
ABB 1SCA117994R1001 Change-over Switch enables reliable 1250 A circuit transfer for UPS, motor feeders, and distribution panels. Engineers often face downtime during transfers and risk improper sequencing, especially under heavy loads and in crowded control cabinets. This unit carries CE conformity, RoHS and REACH declarations, and a front IP20 protection rating, ensuring safe operation in typical factory environments. Built for base mounting with a direct-mounted handle, it minimizes installation footprint and simplifies maintenance. The 4-pole design supports simultaneous switching with a left-side mechanism, reducing wiring errors. Compliance with CMRT, RoHS, and REACH supports global supply chains and sustainability goals, while robust insulation and contact ratings boost long-term reliability.
Product Information
Extended Description
1SCA117994R1001 ABB: 1250A, 4 pole manual change-over switch including a direct mounted handle.
Conflict Minerals Reporting Template (CMRT)
CMRT - Conflict Minerals Reporting Template
REACH Declaration
Reach Declaration / AC Switches and Fusegear
RoHS Information
RoHs Declaration / AC Switches and Fusegear
RoHS Status
Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
Data Sheet, Technical Information
Transfer, change-over and bypass switches. Catalogue OTC1GB 23-04
Instructions and Manuals
Manual change-over and transfer switches OT-C
Degree of Protection
Front IP20
Pollution Degree
3
Minimum Order Quantity
1 piece
Customs Tariff Number
85365080
Country of Origin
Finland (FI)
Product Net Width
480 mm | 18.9 in
Product Net Height
306 mm | 12.05 in
Product Net Depth / Length
309 mm | 12.17 in
Product Net Weight
42.36 kg | 93.39 lb
Package Level 1 Units
1 piece
Package Level 1 Width
339 mm | 13.35 in
Package Level 1 Depth / Length
534 mm | 21.02 in
Package Level 1 Height
338 mm | 13.31 in
Package Level 1 Gross Weight
44.46 kg | 98.02 lb
Package Level 1 EAN
6417019498553
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 1250 A
Degree of Protection
Front IP20
Distance Between Phases
Standard
Fourth Pole Position
Right Side
Fourth Pole Type
Switched - Simultaneous Function
Handle Color
Black
Handle Type
Direct mounted handle
Mounting Type
Base mounting
Number of Poles
4P
Operating Mode
Front operated
Pollution Degree
3
Position of Line Terminals
Top In - Bottom Out, Bottom In - Top Out
Power Loss
at Rated Operating Conditions per Pole 29 W
Rated Impulse Withstand Voltage (Uimp)
12 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Current AC-21A (Ie)
(380 ... 415 V) 1250 A | (500 V) 1250 A | (690 V) 1250 A
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 1250 A | (500 V) 1250 A | (690 V) 1250 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 1250 A | (500 V) 1250 A | (690 V) 1250 A
Rated Operational Current AC-31B (Ie)
(380 ... 415 V) 1250 A
Rated Operational Current AC-33B (Ie)
(380 ... 415 V) 1250 A
Rated Operational Power AC-23A (Pe)
(380 ... 415 V) 710 kW | (500 V) 900 kW | (690 V) 1200 kW
Rated Operational Voltage
Main Circuit 1000 V
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 50 kiloampere rms
Switches Operating Mechanism
Mechanism at the End of the Switch | 04 (Left Side)
Terminal Type
Screw Terminals
Terminal Width
50 mm
Tightening Torque
acc. IEC 60947-1 50 ... 75 N·m
Transition Type
Open
Ampere Rating
1250 A
Tightening Torque
acc. IEC 60947-1 50 ... 75 N·m
Declaration of Conformity - CE
Declaration of Conformity / OT1000_C, OT1250_C, OT1600_C, OT800U_C, OT1200U_C
DNV Certificate
DNV Certificate / OT16-2500_C
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Feature → Business Impact → Application: High-current capability up to 1250 A Ith at Θ = 40 °C ensures switching reliability under peak loads, reducing heat-related downtime and extending component life in power distribution cabinets. Application: medium to large industrial panels, switchgear rooms, and manufacturing lines. Feature → Business Impact → Application: Four-pole configuration with a right-side fourth pole and simultaneous switching delivers synchronized transfer across circuits, improving safety and reducing cross-current risk in complex motor feeders and feeders with multiple loads. Application: data centers and processing plants requiring coordinated phase transfer. Feature → Business Impact → Application: Front IP20 protection and pollution degree 3 specification enhance operator safety and resilience in dusty factory environments, lowering maintenance interruptions. Application: control cabinets in dusty production lines and outdoor-rated installations indoors. Feature → Business Impact → Application: Base mounting with a direct-mounted handle simplifies installation, minimizes enclosure depth, and shortens commissioning time. Application: retrofit projects and new builds where space is at a premium. Feature → Business Impact → Application: 1250 A AC-23A/AC-22A power ratings with Ui 1000 V and Icw 50 kA/1 s provide robust fault tolerance and fast clearance. Application: high-energy distribution networks, machine centers, and process lines. Feature → Business Impact → Application: Screw terminals with 50 mm width and tightening torque of 50–75 N·m ensure secure connections, reducing risk of conductor loosening under vibration. Application: control panels in CNC machines and packaging lines where vibration is routine.
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FAQs
This switch is designed for base mounting with a direct-mounted handle and screw terminals. Plan for a 50–75 N·m tightening torque on 50 mm wide terminals, ensure front IP20 protection, and respect the 4P configuration with left-side mechanism to match the installation envelope and maintain safe clearance around energised parts.
The unit supports a rated operational current of 1250 A across AC-23A, AC-22A, and AC-21A at 380–415 V, 500 V, and 690 V, with a main insulation voltage of 1000 V and a short-time withstand current of 50 kA for 1 s, suitable for high-demand industrial switching.
Yes. The product carries CE Declaration of Conformity, RoHS information and RoHS status per EU directives, and REACH declarations for AC switches and fusegear, providing alignment with global regulatory requirements and supplier reassurance for multi-region deployments.
Ideal for distribution panels, motor feeders, UPS and critical process lines, the 4P change-over design enables simultaneous circuit transfer, minimizing cross-connections and downtime during switchover in data centers, manufacturing facilities, and large-scale industrial installations.
The unit’s low power loss per pole (29 W) and robust contact design reduce energy waste and wear, lowering operating costs over time. Its durable IP20 protection, secure screw-terminals, and straightforward base mounting simplify maintenance, shorten downtime, and improve lifecycle return on investment in electrical protection and circuit control systems.