Catalogue / Auxiliary, trip & timer relays
DC supply supervision relay, Ultra seriesSample
by Chola Power Controls (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Chola Ultra DC supply supervision relay, offered in 3 coil voltage options from 24 V DC to 110 V DC. Design: high burden tolerance, panel-mount plug-in design and withstands VT/CT and DC supply disturbances. Used by railway signalling, protection panels and control panels. Designed and tested to IS 3231, IEC 60255-1 and IEC 60255-26. Lead time 1-2 weeks; delivers to All India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Chola
- Model
- CHO-3F7 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 1-2 weeks
- Warranty
- 12 months
- Standards
- IS 3231, IEC 60255-1, IEC 60255-26
- Delivers to
- All India
- GST rate
- 18 %
- Country of origin
- India (imported sub-assemblies)
- Packaging
- Corrugated box on pallet
- Delivery terms
- Ex-works, freight extra at actuals
- Returns
- No returns on made-to-order items
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Coil voltage24 V DCCHO-3F7-01 | Coil voltage: 24 V DC | 1 nos · 1-2 weeks | for verified buyers |
| Coil voltage48 V DCCHO-3F7-02 | Coil voltage: 48 V DC | 1 nos · 1-2 weeks | for verified buyers |
| Coil voltage110 V DCCHO-3F7-03 | Coil voltage: 110 V DC | 1 nos · 1-2 weeks | for verified buyers |
Specifications
| Coil voltage | 24 V DC to 110 V DC (see variants) |
|---|---|
| Relay type | Timer 2made to order: Lockout 86 / Trip circuit 74 / Auxiliary 95 |
| Contacts | 8NOmade to order: 4NO + 4NC / 6NO + 2NC |
| Contact rating | 10 A |
| Operate time | < 30 ms |
| Reset | Electrical reset |
| Timer range | 1-100 s |
| Mounting | Flush |
| Flag | LED |
| Burden | < 5 W |
| Dielectric | 2 kV, 1 min |
| Mechanical life | 10 million ops |
| Case | Dust-proof |