Maximum Power Redundancy
Equipped with up to four independent internal power supplies to ensure the system remains fully operational even if an internal component fails.
Static Transfer Switches
ENTS Series
Industrial Grade Static Transfer Switches
- Thyristor Based Switching
- Mimic Panel Monitor
- Seamless Transfers
- 1 & 3 Phase
- Up to 1200A
The ENTS Series Static Transfer Switch provides instantaneous, seamless switching between two independent power sources to ensure zero-downtime for mission-critical loads. Its advanced solid-state architecture performs high-speed transfers without any interruption to the output voltage, protecting sensitive equipment from source failures or instabilities. Designed for high-reliability environments like datacenters and industrial control rooms, the ENTS Series offers the ultimate layer of power redundancy and system resilience.
- Transfer Time (Sync, 60Hz)
- <4ms
- Efficiency
- 94 - 99%
- Frequency Range
- 45-65Hz
- Operation Temperature
- 0 to 50°C
Product Overview
The ENTS Series is engineered to provide the highest level of power redundancy by utilizing up to four independent internal power supplies to eliminate the risk of a single point of failure. Its advanced DSP-driven architecture ensures that mission-critical loads are always protected by the most stable power source through precise, synchronized transfers
Maintenance is streamlined through a modular design that features hot-swappable power units and full front access, allowing for repairs without any interruption to the connected load. With current capacities ranging from 16A up to 800A, the ENTS Series offers a highly scalable solution for protecting everything from individual IT racks to large-scale industrial facility grids.
Technical Highlights
- Smart control with advanced DSP technology
- Reliable thyristor-driven static switching
- Fuseless, seamless, and fully static transfer topology
- Instantaneous source transfer time (<5ms)
- Redundant internal power supplies (up to x4)
- High overload resilience (standard 200%)
- Hot-swappable modules for zero-downtime maintenance
- Compliant with CE and IEC 62310-1/2/3 standards
-
SEAMLESS TRANSFER
<5ms TRANSFER TIME IN SYNCHRONIZED SOURCES ALLOWS NO BLINK TRANSFER
-
EASY MAINTENANCE AND REPAIR
ALL FRONT ACCESS OR SWAPABLE POWER MODULE FOR EASY REPAIR
-
BACKUP POWER SUPPLY
REDUNDANT POWER SUPPLIES PREVENTS SINGLE POINT OF FAILURE
-
OVERLOAD RESISTANCE
HIGH OVERLOAD RATINGS ENSURES INDUSTRIAL INRUSHES CAUSE NO ISSUES
KEY FEATURES
Engineered For SUPERIOR TRANSITION
High Overload Resistance
Engineered to handle extreme conditions with a standard 200% overload capacity (higher ratings optional), ensuring a stable supply during inrush or fault events.
Seamless Static Transfer
Instantaneous, fuseless transfer between power sources in less than 4ms (60Hz) or 5ms (50Hz), ensuring zero interruption to mission-critical loads..
Advanced Comms & Monitoring
Full system measurement (V, A, Hz) with 20+ alarms and connectivity via RS232, dry contacts, or optional SNMP and TCP/IP for SCADA integration. (+200 log records)
Hot-Swap Serviceability
Features hot-swappable power modules (on 2U systems) and full front access, allowing for rapid maintenance and repair without interrupting the load.
DSP-Driven Smart Control
Utilizes advanced Digital Signal Processing (DSP) and thyristor-driven switching for precise automatic or manual transfers with integrated fault diagnostics.
Ruggedized Design
Industrial-grade enclosures and components specifically selected for long-term service in harsh fields.
Precision Control
Advanced power electronics provide a smooth, fast transfer to ensure no interruption. Adjustable phase angle setting.
Enhanced Visibility
Features a clear mimic diagram for real-time process visualization, alongside digital instrumentation for accurate input/output tracking.
Technical specifications
The table below reproduces the ENTS Series datasheet, covering the six 1-phase model pairs (ENTS1016/ENTS2016 to ENTS1150/ENTS2150, 16A to 150A) and the six 3-phase model pairs (ENTS3063/ENTS4063 to ENTS3800/ENTS4800, 63A to 800A).
-
ENTS1016
ENTS2016- CURRENT
- 16A
- POLES
- 1 POLE (ENTS1XXX)
2 POLES (ENTS2XXX)
-
ENTS1032
ENTS2032- CURRENT
- 32A
- POLES
- 1 POLE (ENTS1XXX)
2 POLES (ENTS2XXX)
-
ENTS1050
ENTS2050- CURRENT
- 50A
- POLES
- 1 POLE (ENTS1XXX)
2 POLES (ENTS2XXX)
-
ENTS1063
ENTS2063- CURRENT
- 63A
- POLES
- 1 POLE (ENTS1XXX)
2 POLES (ENTS2XXX)
-
ENTS1100
ENTS2100- CURRENT
- 100A
- POLES
- 1 POLE (ENTS1XXX)
2 POLES (ENTS2XXX)
-
ENTS1150
ENTS2150- CURRENT
- 150A
- POLES
- 1 POLE (ENTS1XXX)
2 POLES (ENTS2XXX)
-
ENTS3063
ENTS4063- CURRENT
- 63A
- POLES
- 3 POLE (ENTS3XXX)
4 POLES (ENTS4XXX)
-
ENTS3160
ENTS4160- CURRENT
- 160A
- POLES
- 3 POLE (ENTS3XXX)
4 POLES (ENTS4XXX)
-
ENTS3250
ENTS4250- CURRENT
- 250A
- POLES
- 3 POLE (ENTS3XXX)
4 POLES (ENTS4XXX)
-
ENTS3400
ENTS4400- CURRENT
- 400A
- POLES
- 3 POLE (ENTS3XXX)
4 POLES (ENTS4XXX)
-
ENTS3600
ENTS4600- CURRENT
- 600A
- POLES
- 3 POLE (ENTS3XXX)
4 POLES (ENTS4XXX)
-
ENTS3800
ENTS4800- CURRENT
- 800A
- POLES
- 3 POLE (ENTS3XXX)
4 POLES (ENTS4XXX)
| Model | ENTS1016 ENTS2016 |
ENTS1032 ENTS2032 |
ENTS1050 ENTS2050 |
ENTS1063 ENTS2063 |
ENTS1100 ENTS2100 |
ENTS1150 ENTS2150 |
ENTS3063 ENTS4063 |
ENTS3160 ENTS4160 |
ENTS3250 ENTS4250 |
ENTS3400 ENTS4400 |
ENTS3600 ENTS4600 |
ENTS3800 ENTS4800 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CURRENT | 16A | 32A | 50A | 63A | 100A | 150A | 63A | 160A | 250A | 400A | 600A | 800A |
| POLES | 1 POLE (ENTS1XXX) 2 POLES (ENTS2XXX) |
3 POLE (ENTS3XXX) 4 POLES (ENTS4XXX) |
||||||||||
| ELECTRICAL CHARACTERISTICS | ||||||||||||
| Voltage | 110/127/208/220/230/240/265 3W (1PH+N+PE) |
200/227/380/400/415/440/460/600VAC 5W (3PH + N + PE) |
||||||||||
| Voltage Range | ± 20% (Transfer when out of range) | ± 15% (Transfer when out of range) | ||||||||||
| Frequency | 50/60Hz | |||||||||||
| Frequency Range | 45-65Hz (Transfer when out of range, adjustable) | |||||||||||
| Efficiency | 94% | 96% | 97% | 98% | 99% | 98% | 99% | |||||
| Transfer Type | Break Before Make | |||||||||||
| Transfer Option | Automatic / Manual / Remote | |||||||||||
| Transfer Time | <5ms (Sync) & ~10ms (Unsync) @ 50Hz <4ms (Sync) & ~10ms (Unsync) @ 60Hz |
|||||||||||
| Switching Topology | 1 Pole (w/o neutral breaking) or 2 Pole (w Neutral Breaking) | 3 Pole (w/o neutral breaking) or 4 Pole (w Neutral Breaking) | ||||||||||
| Crest Factor | 3:1 | |||||||||||
| Overload | Continuous @ 100-110% Load 10 mins @ 100-125% Load 1 min @ 125%-150% Load 10 sec @ 150-200% Load 250msec @ >200% Load |
|||||||||||
| Protection | Overload, Short curcuit, Over Temperature, Backfeed, SCR Fault Alarm, Unsync protection, Bypass protection (Interlock) |
|||||||||||
| Communication | RS232, Dry Contact (Standard) - RS485, TCP/IP (Optional), SNMP (Optional) | |||||||||||
| ENVIRONMENTAL | ||||||||||||
| Cooling | Natural Cooling (without Fans) | Fan Forced, (Optional: Natural Cooling) | ||||||||||
| Operation Temperature | 0 to 50°C | |||||||||||
| Storage Temperature | -10 to 70°C | |||||||||||
| Relative Humidity | 0 to 90% (Non-Condensing) | |||||||||||
| Ingress Protection (IP) | IP20, IP21 Standard, up to IP65 (Optional) | |||||||||||
| Standards | IEC62310-1: Static transfer systems (ENTS) - Part 1: General and safety requirements IEC62310-2: Static transfer systems (ENTS) - Part 2: Electromagnetic compatibility (EMC) requirements IEC62310-3: Static transfer systems (ENTS) - Part 3: Method for specifying performance and test requirements |
|||||||||||
| PHYSICAL PROPERTIES | ||||||||||||
| Net Weight (kg) (Standard Unit) | 3kg | 6kg | 8kg | Advice to ENERG TECH | Advice to ENER-G TECH | |||||||
| Dimensions | 19', 1U | 19', 2U | 500x450x1000 | 600x600x1300 | 750x700x1600 | 800x800x2100 | 1000x800x2100 | |||||
| Alternate Dimensions | - | 19', 4U | Advise | 19', 5U | - | |||||||
| Mounting | 19' Rack Mount | Standalone | ||||||||||
| Optional Mountings | Wall Mount, Chassis Mount | Advise | Wall Mount, Chassis Mount | Advice to ENCLOVE Energy | ||||||||
* Our company has the right to change the model, visual and technical specification information of the products without prior notice.
Frequently asked questions
Answers taken from the ENTS Series datasheet.
What current range and models does the ENTS Series static transfer switch cover?
The 1-phase table lists ENTS1016/ENTS2016 through ENTS1150/ENTS2150 at 16A, 32A, 50A, 63A, 100A and 150A, and the 3-phase table lists ENTS3063/ENTS4063 through ENTS3800/ENTS4800 at 63A, 160A, 250A, 400A, 600A and 800A. The datasheet cover states the series range as 16A to 1200A.
How fast is the ENTS Series transfer between two sources?
Transfer time is <5ms (Sync) & ~10ms (Unsync) @ 50Hz and <4ms (Sync) & ~10ms (Unsync) @ 60Hz. The transfer type is Break Before Make, and transfer can be Automatic / Manual / Remote.
What overload can the ENTS Series static transfer switch withstand?
Overload capability is Continuous @ 100-110% Load, 10 mins @ 100-125% Load, 1 min @ 125%-150% Load, 10 sec @ 150-200% Load and 250msec @ >200% Load, with a 3:1 crest factor.
What are the ENTS Series operating temperature, humidity and IP rating limits?
Operation temperature is 0 to 50°C, storage temperature -10 to 70°C and relative humidity 0 to 90% (Non-Condensing). Ingress protection is IP20, IP21 Standard, up to IP65 (Optional).
What communication interfaces and protections does the ENTS Series offer?
RS232 and Dry Contact are standard, with RS485, TCP/IP and SNMP available as options. Protection covers Overload, Short curcuit, Over Temperature, Backfeed, SCR Fault Alarm, Unsync protection and Bypass protection (Interlock).
Which standards does the ENCLOVE ENTS Series static transfer switch comply with?
The datasheet cites IEC62310-1 (General and safety requirements), IEC62310-2 (Electromagnetic compatibility (EMC) requirements) and IEC62310-3 (Method for specifying performance and test requirements), and carries the CE mark.
Documentation & downloads
Download the latest documentation for the ENTS Series. Files are provided in their current revision; contact us if you need a previous version or a localised translation.
-
Download
Product Datasheet
Full technical specifications, and product features including all the options.
-
Download
Installation & User's Manual
Step-by-step installation instructions, menu details, and operating procedures.
-
Request
PC & Monitoring Software
Computer Program or Programs helps you to monitor or set the unit.
NEED SOMETHING SPECIFIC
Can't Find Exactly WhatYou Are Looking For?
Our engineering team specialises in bespoke power solutions. Share your requirements and we'll design a system built precisely for your application.
